PDF & documents
PDF Editor
Add text, annotations, images, drawings or a signature directly to your PDF.
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Find all the tools you have saved in this browser.
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PDF & documents
Stamp a PDF
Add a visual stamp such as APPROVED, PAID or CONFIDENTIAL.
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Draw on a PDF
Draw freehand with the color and line width you choose.
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Securely redact a PDF
Permanently hide sensitive areas by rebuilding the document.
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Add text to a PDF
Add text to one or more pages at a precise position.
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Annotate and highlight a PDF
Highlight or frame an area and add a visible note.
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Add PDF headers and footers
Add recurring text with automatic page numbers.
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HMAC Generator & Verifier
Generate or verify SHA-256, SHA-384 and SHA-512 HMAC values locally.
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AES Encrypt & Decrypt
Encrypt and decrypt text locally with AES-256-GCM and a password.
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X.509 Certificate & CSR Inspector
Inspect an X.509 certificate or CSR in PEM format locally.
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Use this toolWeb & SEO
HTML SEO Analyzer
Analyze key SEO signals in HTML locally.
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SERP Snippet Simulator
Preview a search result from a title and meta description.
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Local Indexability Analyzer
Detect noindex, nofollow and canonical inconsistencies from HTML.
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Use this toolDates & time
Time Zone Converter
Convert a date and time between two time zones.
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Use this toolDates & time
Work Hours Calculator
Calculate worked hours after subtracting breaks.
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Date Format Converter
Convert dates between ISO, day-first and month-first formats.
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Date Range Generator
Generate a list of dates between two endpoints.
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Meeting Time Planner
Find overlapping meeting times across two time zones.
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Business Hours Calculator
Calculate business hours between two date-times.
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Day of Week Calculator
Find the weekday for any date.
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Relative Time Calculator
Express a difference as “3 days ago” or “in 2 hours”.
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Day of Year Calculator
Find a date’s ordinal day within the year.
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Recurring Dates Generator
Generate a daily, weekly, monthly or yearly series.
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Use this toolFinance & business
NPV calculator – net present value
Calculate net present value from an initial investment, future cash flows and a discount rate.
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IRR calculator – internal rate of return
Estimate internal rate of return from an initial investment and future cash flows.
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Payback period calculator
Calculate how long an investment takes to recover, with simple and discounted cash flows.
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Repair PDF
Repair a damaged PDF locally by rebuilding recoverable internal structures.
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Compare PDFs
Compare two PDFs page by page and measure their visual differences locally.
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Create PDF booklet
Rearrange PDF pages into spreads ready for duplex booklet printing.
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OCR PDF
Recognize text in a scanned PDF and create a searchable PDF directly in your browser.
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Mortgage affordability calculator
Estimate how much you can borrow and the home price you may afford from income, debts, down payment, rate and term.
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Debt-to-income ratio calculator
Calculate your total debt-to-income ratio, housing ratio and remaining monthly borrowing room.
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Remove blank pages from a PDF
Automatically detect and remove blank PDF pages directly in your browser.
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Overlay two PDFs
Overlay the pages of one PDF onto another locally, with adjustable opacity.
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Remove annotations from a PDF
Remove comments, highlights and other page annotations without changing the main content.
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Analyze PDF information
Inspect pages, size, version, metadata, forms, annotations and active elements in a PDF.
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Change PDF permissions
Control printing, modifications and content extraction with an AES-256 owner password.
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Split a PDF by size or page count
Automatically split a PDF by a maximum number of pages or a target file size.
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Put multiple PDF pages on one sheet
Place 2, 4, 6 or 9 PDF pages on each A4 or Letter sheet.
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Adjust PDF contrast and colors
Correct contrast, brightness and saturation or convert a PDF to grayscale.
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Rental yield calculator
Calculate the gross and net yield of a rental property investment.
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Sales commission calculator
Calculate sales commission from revenue and the applicable commission rate.
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Use this toolFinance & business
Freelance salary / day rate calculator
Estimate the day rate you need to reach a target monthly net income.
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Use this toolWeb & SEO
UTM URL builder
Add UTM parameters to a campaign URL.
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Use this toolWeb & SEO
Hreflang builder and validator
Create hreflang tags from localized page versions.
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XML sitemap builder and validator
Create an XML sitemap from a list of URLs.
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Use this toolImages & graphics
Color blindness simulator
Preview an image as it may appear with different types of color vision deficiency.
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Use this toolImages & graphics
Image comparator
Compare two images side by side or with a before/after slider.
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Use this toolImages & graphics
Image ⇄ Base64
Convert an image to Base64/Data URI and convert Base64 back to an image.
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CAGR calculator: compound annual growth rate
Calculate CAGR between an initial and a final value.
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Simple interest calculator
Calculate simple interest and final amount.
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Use this toolFinance & business
Inflation and purchasing power calculator
Estimate how inflation affects an amount.
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Use this toolPDF & documents
Remove PDF pages
Remove unwanted pages from a PDF directly in your browser.
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Add page numbers to a PDF
Automatically add page numbers to your PDF document.
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Add a watermark to a PDF
Add a text watermark to every page of a PDF locally in your browser.
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Edit PDF metadata
Edit or remove common PDF metadata directly in your browser.
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Crop a PDF
Crop PDF pages by defining the margins to remove directly in your browser.
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Resize PDF pages
Resize every PDF page to a standard or custom size locally in your browser.
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Compress PDF
Reduce PDF file size locally with lossless optimization or stronger visual compression.
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Flatten PDF
Flatten form fields or create a visually fixed PDF directly in your browser.
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Extract images from PDF
Recover raster images embedded in a PDF without converting whole pages to images.
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Sanitize a PDF
Clean a PDF locally by removing metadata, JavaScript, automatic actions and embedded attachments.
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PDF to Markdown
Extract selectable text from a PDF and convert it to Markdown locally, without OCR or uploading the document.
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Password protect a PDF
Encrypt a PDF locally with a password and AES-256 without uploading your document.
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Use this toolPDF & documents
Unlock a PDF
Remove PDF password protection locally when you know the current password.
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Use this toolDevelopment
Generate JSON Schema
Generate a JSON Schema from a JSON example locally in your browser.
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Use this toolText & writing
HTML to Markdown
Convert HTML into readable portable Markdown directly in your browser.
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Markdown to HTML
Convert Markdown into clean HTML directly in your browser.
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Use this toolImages & graphics
QR Code Reader
Read the content of a QR code from an image directly in your browser.
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Create a GIF from images
Combine multiple images into an animated GIF directly in your browser.
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Use this toolAudio
Audio compressor
Reduce audio file size by choosing an output format and bitrate.
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Use this toolAudio
Audio loudness normalizer
Normalize the perceived loudness of an audio file to a LUFS target.
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Audio speed changer
Speed up or slow down an audio file without changing pitch.
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Audio fade-in and fade-out
Add fade-in and fade-out effects to an audio file.
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Convert mono and stereo audio
Convert audio to mono or stereo.
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Change audio sample rate
Resample audio to 44.1 kHz, 48 kHz or another rate.
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Reverse audio
Reverse an audio file directly in your browser.
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Split audio channels
Split the left and right channels of stereo audio into two mono files.
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Convert WAV to MP3
Convert a WAV file to MP3 locally in your browser.
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Convert M4A to MP3
Convert an M4A file to MP3 locally in your browser.
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Convert MP3 to WAV
Convert an MP3 file to WAV PCM locally in your browser.
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Convert FLAC to MP3
Convert a FLAC file to MP3 locally in your browser.
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Convert OGG to MP3
Convert an OGG file to MP3 locally in your browser.
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Convert WebM to MP3
Extract and convert WebM audio to MP3 locally in your browser.
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Use this toolConstruction & renovation
Stair calculator
Calculate steps, riser height, going, angle and the Blondel formula.
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Use this toolConstruction & renovation
Decking calculator
Estimate decking boards, joists, fixings and waste.
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Use this toolConstruction & renovation
Screed calculator
Calculate screed volume, dry mix, cement, sand and bags.
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Use this toolConstruction & renovation
Brick calculator
Estimate bricks, joints, wall volume and mortar.
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Use this toolConstruction & renovation
Roof tile calculator
Calculate sloped roof area and the number of tiles required.
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Use this toolConstruction & renovation
Fence calculator
Calculate fence panels, posts and footing concrete.
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Use this toolConstruction & renovation
Render calculator
Calculate render area, kilograms and bags.
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Paver calculator
Calculate pavers, packs, joints and bedding volume.
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Use this toolAudio
Audio converter
Convert audio files locally to MP3, WAV, FLAC, OGG, M4A or Opus.
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Use this toolAudio
Audio trimmer
Keep only the useful part of an audio file.
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Use this toolAudio
Audio volume adjuster
Increase or reduce the volume of an audio file.
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Use this toolAudio
Audio merger
Join multiple audio files in the selected order.
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Use this toolConstruction & renovation
Concrete calculator
Calculate concrete volume and the cement, sand, gravel or bags required.
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Use this toolConstruction & renovation
Paint calculator
Calculate paintable area, litres required and paint containers to buy.
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Use this toolConstruction & renovation
Tile calculator
Calculate tiles, boxes and quantities to order.
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Use this toolConstruction & renovation
Concrete block calculator
Calculate concrete blocks, pallets and mortar bags for a wall.
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Use this toolConstruction & renovation
Gravel calculator
Calculate gravel volume, weight, bags or bulk bags to buy.
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Use this toolConstruction & renovation
Slope calculator
Convert slope between percent, degrees, rise, length and ratio.
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Use this toolConstruction & renovation
Drywall calculator
Calculate plasterboards, tracks, studs and screws for a partition or ceiling.
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Use this toolConstruction & renovation
Flooring and laminate calculator
Calculate packs, underlay, surplus and skirting boards for your floor.
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Use this toolConstruction & renovation
Thermal insulation calculator
Calculate area, volume, packs and thermal resistance R of insulation.
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Use this toolConstruction & renovation
Wallpaper calculator
Calculate drops and rolls from dimensions and pattern repeat.
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Use this toolDates & time
Beta
Add or Subtract Time from a Date
Add or subtract days, weeks, months or years from a date.
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Use this toolDates & time
Beta
Business Days Calculator
Count business days between two dates, excluding Saturdays and Sundays.
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Use this toolDates & time
Beta
Time Duration Calculator
Calculate the duration between a start time and an end time.
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Use this toolDates & time
Beta
Duration Converter
Convert seconds, minutes, hours, days and weeks.
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Use this toolDates & time
Beta
Days Until a Date Calculator
Calculate how many days remain until a date, or how many days have passed.
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Use this toolDates & time
Beta
ISO Week Number Calculator
Find the ISO week number of a date and the start and end dates of that week.
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Use this toolFinance & business
VAT Calculator: Net, VAT and Gross
Instantly calculate net price, VAT and gross price in either direction.
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ROI Calculator: Return on Investment
Calculate ROI, net gain and the total cost of an investment.
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Break-even Calculator and Break-even Point
Calculate the revenue and sales volume needed to cover your costs.
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Use this toolFinance & business
Discount and Sale Price Calculator
Calculate a discounted price, the amount saved, or the discount percentage.
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Use this toolFinance & business
Hourly, monthly and annual salary calculator
Convert hourly, weekly, monthly or annual pay based on your working time.
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Gross to net salary calculator
Estimate net pay before income tax from gross salary, or calculate gross pay from net.
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Salary increase calculator
Calculate your new salary after a raise or find the percentage needed to reach a target salary.
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Compound interest calculator
Calculate capital growth with compound interest and regular contributions.
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Use this toolFinance & business
Margin, margin rate and markup calculator
Calculate gross margin, margin rate, markup rate and selling price.
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Use this toolMathematics & calculation
Thales theorem calculator and converse
Calculate a missing length with Thales’ theorem or test parallel lines with its converse.
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Use this toolMathematics & calculation
Yards ↔ metres converter
Convert yards to metres or metres to yards instantly.
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Use this toolMathematics & calculation
PSI ↔ kPa converter
Convert PSI to kilopascals or kPa to PSI instantly.
100% localNew
Use this toolMathematics & calculation
Knots ↔ km/h converter
Convert knots to kilometres per hour or km/h to knots instantly.
100% localNew
Use this toolMathematics & calculation
kWh ↔ joules converter
Convert kilowatt-hours to joules or joules to kWh instantly.
100% localNew
Use this toolMathematics & calculation
Number ↔ words
Convert a number to words or written words back to digits, with a euro amount mode for cheques and documents.
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Use this toolMathematics & calculation
Cheque / check amount in words
Write a euro amount in words for a cheque or check, with euros and cents handled automatically.
100% localNew
Use this toolFinance & business
Loan calculator and monthly payments
Simulate a loan, calculate monthly payments and total cost, and view a complete amortization schedule.
100% localNew
Use this toolMathematics & calculation
CM ↔ inches converter
Convert centimeters to inches instantly, or switch direction to convert inches to centimeters.
100% localNew
Use this toolMathematics & calculation
KG ↔ lbs converter
Convert kilograms to pounds (lb) instantly, or switch direction to convert pounds to kilograms.
100% localNew
Use this toolMathematics & calculation
MM ↔ inches converter
Convert millimeters to inches instantly, or switch direction to convert inches to millimeters.
100% localNew
Use this toolMathematics & calculation
Celsius ↔ Fahrenheit converter
Convert degrees Celsius to degrees Fahrenheit instantly, or switch direction to convert Fahrenheit to Celsius.
100% localNew
Use this toolMathematics & calculation
KM ↔ miles converter
Convert kilometers to miles instantly, or switch direction to convert miles to kilometers.
100% localNew
Use this toolMathematics & calculation
Meters ↔ feet converter
Convert meters to feet or feet to meters instantly.
100% localNew
Use this toolMathematics & calculation
Feet ↔ inches converter
Convert feet to inches or inches to feet instantly.
100% localNew
Use this toolMathematics & calculation
Ounces ↔ grams converter
Convert ounces to grams or grams to ounces instantly.
100% localNew
Use this toolMathematics & calculation
Pounds (lb) ↔ grams converter
Convert pounds (lb) to grams or grams to pounds instantly.
100% localNew
Use this toolMathematics & calculation
Liters ↔ US gallons converter
Convert liters to US gallons or US gallons to liters instantly.
100% localNew
Use this toolMathematics & calculation
Cubic meters ↔ liters converter
Convert cubic meters to liters or liters to cubic meters instantly.
100% localNew
Use this toolMathematics & calculation
KM/H ↔ MPH converter
Convert kilometers per hour to miles per hour or MPH to KM/H instantly.
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Use this toolMathematics & calculation
Square area calculator
Calculate the area of a square instantly from its side length.
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Use this toolMathematics & calculation
Square perimeter calculator
Calculate the perimeter of a square instantly from its side length.
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Use this toolMathematics & calculation
Rectangle area calculator
Calculate the area of a rectangle instantly from its length and width.
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Use this toolMathematics & calculation
Rectangle perimeter calculator
Calculate the perimeter of a rectangle instantly from its length and width.
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Use this toolMathematics & calculation
Triangle area calculator
Calculate the area of a triangle instantly from its base and height.
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Use this toolMathematics & calculation
Triangle perimeter calculator
Calculate the perimeter of a triangle instantly from its three side lengths.
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Use this toolMathematics & calculation
Circle area calculator
Calculate the area of a circle instantly from its radius.
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Use this toolMathematics & calculation
Circle circumference calculator
Calculate the circumference of a circle instantly from its radius.
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Use this toolMathematics & calculation
Pythagorean theorem calculator and converse
Calculate a side of a right triangle with the Pythagorean theorem or test whether a triangle is right using its converse.
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Use this toolMathematics & calculation
Calculate X% of a number
Calculate X% of a number instantly, for example 20% of 150.
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Use this toolMathematics & calculation
What percentage is X of Y?
Calculate what percentage one value represents of another.
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Use this toolMathematics & calculation
Percentage increase calculator
Calculate the percentage increase between an initial value and a final value.
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Use this toolMathematics & calculation
Percentage decrease calculator
Calculate the percentage decrease between an initial value and a final value.
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Use this toolMathematics & calculation
Discount and sale price calculator
Calculate the final price after a discount and the amount saved instantly.
100% localNew
Use this toolMathematics & calculation
m² ↔ ft² converter
Convert square meters to square feet or square feet to square meters instantly.
100% localNew
Use this toolMathematics & calculation
Hectares ↔ acres converter
Convert hectares to acres or acres to hectares instantly.
100% localNew
Use this toolMathematics & calculation
Liters ↔ UK gallons converter
Convert liters to imperial UK gallons or UK gallons to liters instantly.
100% localNew
Use this toolMathematics & calculation
Bar ↔ PSI converter
Convert bar to PSI or PSI to bar instantly.
100% localNew
Use this toolMathematics & calculation
kW ↔ PS ↔ hp converter
Convert kilowatts, metric horsepower (PS) and mechanical horsepower (hp) without treating them as identical.
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Use this toolMathematics & calculation
MB/GB ↔ MiB/GiB converter
Convert decimal storage units MB/GB and binary units MiB/GiB correctly.
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Use this toolPDF & documents
Add an image to a PDF
Place a PNG or JPEG image on the PDF page you choose.
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Use this toolPDF & documents
Add a signature to a PDF
Place a signature image on the PDF page you choose.
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Use this toolMathematics & calculation
Geometry calculator
Choose a shape, enter the dimensions you know and instantly calculate everything that can be derived.
100% local
Use this toolDevelopment
JSON to TypeScript Pro
Generate TypeScript interfaces, types, Zod schemas, or JSON Schema from sample JSON.
100% localFeatured
Use this toolData & spreadsheets
CSV Deduplicator
Remove duplicate CSV rows using the columns you choose as matching criteria.
100% local
Use this toolData & spreadsheets
CSV Splitter
Split a CSV file into smaller files using the size or groups you choose.
100% local
Use this toolData & spreadsheets
CSV Compare
Compare two CSV files to quickly identify rows and values that differ between them.
100% local
Use this toolData & spreadsheets
CSV Merge
Merge multiple CSV files into one table while keeping columns aligned consistently.
100% local
Use this toolData & spreadsheets
CSV Filter
Filter CSV rows by column using text, exact values, or numeric conditions.
100% local
Use this toolData & spreadsheets
CSV Sort
Sort CSV rows by a selected column in ascending or descending order.
100% local
Use this toolData & spreadsheets
CSV Column Selector
Select the CSV columns you want to keep in the final result.
100% local
Use this toolData & spreadsheets
CSV Column Rename
Rename one or more CSV columns without changing the row data.
100% local
Use this toolData & spreadsheets
CSV Statistics
Analyze CSV columns and quickly get useful statistics about your data.
100% local
Use this toolDevelopment
cURL Builder
Generate a complete cURL command from an HTTP request.
100% local
Use this toolDevelopment
HTTP Header Builder
Build custom HTTP headers and get output ready to use in your requests.
100% local
Use this toolDevelopment
API Request Builder
Build a complete HTTP API request with method, URL, parameters, headers, and body.
100% local
Use this toolDevelopment
HTTP Header Analyzer
Analyze HTTP headers to review security, caching, CORS, and cookie behavior.
100% local
Use this toolSecurity & privacy
Basic Auth Generator
Generate an HTTP Basic Auth header and usage examples.
100% local
Use this toolSecurity & privacy
JWT Encoder
Create a locally signed JWT with HS256, HS384, or HS512.
100% local
Use this toolImages & graphics
Favicon generator
Create multiple PNG favicon sizes from a source image directly in your browser.
100% localFeatured
Use this toolData & spreadsheets
CSV validator
Validate CSV structure and quickly identify problematic rows or columns in your data.
100% local
Use this toolSecurity & privacy
SRI hash generator
Generate a Subresource Integrity hash for a file or pasted content.
100% local
Use this toolDevelopment
JSON Schema validator
Validate a JSON document against a schema and locate every error precisely.
100% local
Use this toolDevelopment
Cron expression builder
Build a standard cron expression, understand it and preview its next execution times.
100% local
Use this toolText & writing
Markdown preview
Write Markdown and instantly preview the rendered HTML.
100% local
Use this toolMathematics & calculation
Number base converter
Convert whole numbers between bases 2 and 36, including binary, octal, decimal and hexadecimal.
100% local
Use this toolDevelopment
Unix permissions calculator
Convert Unix permissions between octal and symbolic notation and generate a chmod command.
100% local
Use this toolDevelopment
.gitignore generator
Create a .gitignore file from presets for your technologies and tools.
100% local
Use this toolDevelopment
MIME type lookup
Find a MIME type from an extension or the other way around.
100% local
Use this toolImages & graphics
SVG optimizer
Reduce SVG markup locally while keeping the graphic editable.
100% local
Use this toolWeb & SEO
Meta tags generator
Create SEO, Open Graph and Twitter/X tags for a web page.
100% local
Use this toolWeb & SEO
robots.txt generator
Create a clear robots.txt file to guide web crawlers.
100% local
Use this toolImages & graphics
Aspect ratio calculator
Calculate proportional dimensions for images and videos.
100% local
Use this toolSecurity & privacy
CSP generator
Create a Content Security Policy to strengthen your website security.
100% local
Use this toolSecurity & privacy
Security headers generator
Generate HTTP security headers for the protections you want to enable on your site.
100% local
Use this toolSecurity & privacy
Password policy generator
Generate a clear password policy from the security rules you choose for your organization.
100% local
Use this toolImages & graphics
QR code generator
Create a QR code locally for text, a URL, email, phone number or Wi-Fi network.
100% localFeatured
Use this toolImages & graphics
Image color extractor
Extract a dominant color palette from an image without uploading it to a server.
100% local
Use this toolImages & graphics
Image cropper
Select an area visually, lock an aspect ratio, and export the cropped image locally.
100% local
Use this toolImages & graphics
Responsive image generator
Create multiple image widths and automatically generate srcset and picture markup.
100% local
Use this toolImages & graphics
Image watermark tool
Add text or a logo locally with adjustable position, opacity, size, and rotation.
100% local
Use this toolImages & graphics
SVG to PNG converter
Turn an SVG into PNG, JPEG, or WebP with custom dimensions and background.
100% local
Use this toolWeb & SEO
Schema.org JSON-LD generator
Create JSON-LD structured data ready to embed in a web page.
100% local
Use this toolWeb & SEO
User-Agent parser
Identify the browser, operating system, device and bots in a User-Agent string.
100% local
Use this toolImages & graphics
Color converter
Convert a color between HEX, RGB, and HSL with equivalent values.
100% local
Use this toolWeb & SEO
Contrast checker
Measure contrast between two colors and check WCAG AA and AAA levels.
100% local
Use this toolDevelopment
YAML formatter
Format and validate a YAML document to improve readability and detect common errors.
100% local
Use this toolDevelopment
XML formatter
Format, minify, and validate an XML document directly in your browser.
100% local
Use this toolDates & time
Age calculator
Calculate an exact age from a date of birth and a reference date.
100% local
Use this toolText & writing
Word and character counter
Analyze text and get word, character, line, sentence, and paragraph counts.
100% local
Use this toolMathematics & calculation
Random number generator
Generate one or more random numbers using the range and quantity you choose.
100% local
Use this toolText & writing
Email address extractor
Extract every email address found in text and automatically remove duplicate results.
100% local
Use this toolWeb & SEO
URL extractor
Extract every URL from text and automatically remove duplicate addresses.
100% local
Use this toolDevelopment
HTML formatter and minifier
Format or minify HTML to improve readability or reduce file size.
100% local
Use this toolText & writing
Shuffle lines
Randomly shuffle the lines of a text block or list in a few seconds.
100% local
Use this toolDevelopment
CSS formatter and minifier
Format or minify CSS to improve readability or reduce file size.
100% local
Use this toolDevelopment
Regular expression tester
Test a regular expression against text and inspect the matches it returns.
100% local
Use this toolDevelopment
SQL formatter
Format or minify SQL queries to improve readability or reduce their size.
100% local
Use this toolDevelopment
JavaScript formatter
Format or minify JavaScript to improve readability or produce a more compact version.
100% local
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Markdown formatter
Format Markdown text into a cleaner and more consistent structure for easier review.
100% local
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Password strength checker
Evaluate password strength from its length and character composition directly in your browser.
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JWT inspector
Inspect a JWT to review its header, payload, timestamps, and main token information.
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Hash comparator
Compare two hashes or checksums to immediately verify whether they match exactly.
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Text comparator
Compare two texts line by line and quickly spot additions, removals, and changes.
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Number extractor
Automatically extract every number found in text and return the results as a reusable list.
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Date extractor
Automatically extract dates found in text and return them as a reusable list.
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Readability analyzer
Estimate text readability and sentence complexity.
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HTML entity encoder and decoder
Encode or decode common HTML entities to convert special characters in text.
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JSON and YAML converter
Convert JSON data to YAML or YAML data to JSON directly in your browser.
100% local
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JSON and XML converter
Convert JSON data to XML or XML data to JSON directly in your browser.
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JSONPath tester
Query JSON data with a simple JSONPath expression.
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XPath tester
Test an XPath expression against XML and immediately inspect the matching results.
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JSON comparator
Compare two JSON documents and highlight structural differences.
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CSV / TSV converter
Convert tabular text between comma-separated and tab-separated formats.
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Duplicate analyzer
Find duplicate lines, count occurrences and export a clean summary.
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URL validator
Validate, normalize and inspect web addresses locally.
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Universal converter
Instantly convert length, mass, temperature, volume and dozens of other units.
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Percentage calculator
Calculate a percentage, a change, or recover an original value.
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Date difference calculator
Calculate the exact difference between two dates in days, weeks, months, or years.
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Data Faker
Generate realistic fake datasets in JSON, CSV or SQL.
100% localFeatured
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Color palette generator
Generate a coordinated color palette from a starting color for your design.
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Image metadata reader
Inspect image dimensions, format, size and browser-readable metadata.
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Image metadata remover
Re-encode an image locally to remove embedded metadata.
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Images to PDF
Combine several images into a single PDF document.
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PDF to images
Convert PDF pages into individual images ready to download directly in your browser.
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Line ending converter
Convert text between LF, CRLF and CR line endings.
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Query string parser and builder
Parse URL parameters or build a query string from key-value pairs.
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Resize an image
Resize an image by setting its exact width and height before downloading the result.
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Merge PDF files
Merge multiple PDF files in the order you choose to create one combined document.
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Convert and compress an image
Convert an image to PNG, JPEG, or WebP and adjust output quality before download.
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Extract PDF pages
Select the pages you want to keep and create a new PDF containing only that selection.
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Rotate PDF pages
Rotate every page in a PDF or only the individual pages you select.
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Reorder PDF pages
Visually reorder PDF pages with drag and drop or keyboard controls.
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Split a PDF
Split a PDF into multiple files using the pages or page ranges you choose.
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Brand Name Generator & Analyzer
Create brand, product, project or domain names — not personal names.
100% localFeatured
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Clean an Excel or CSV file
Remove duplicates, empty rows and unnecessary spaces.
100% localFeatured
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Merge Excel or CSV files
Merge multiple Excel or CSV files into one table with automatic column alignment.
100% localFeatured
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Compare two Excel or CSV files
Compare two Excel or CSV files using a key column and spot the differences.
100% localFeatured
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Convert Excel, CSV and JSON
Convert Excel, CSV, and other spreadsheet formats directly in your browser.
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Split an Excel file by column
Split an Excel file into multiple sheets based on values from a selected column.
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Base64 encoder and decoder
Encode text as Base64 or decode a Base64 string back to its original content.
100% local
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URL encoder and decoder
Encode or decode a URL, its parameters, and any special characters it contains.
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Count values
Count how often each value appears in a list and quickly identify the most frequent items.
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Merge lists
Merge multiple lists into one set of lines ready to copy or reuse.
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Split a list
Split a long list into evenly sized groups using the number of items you choose.
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Timestamp converter
Convert a Unix timestamp to a readable date or turn a date into a Unix timestamp.
100% local
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Hash generator
Generate a text hash using several common hashing algorithms.
100% local
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Number lines
Automatically add numbering before each line using the format you choose.
100% local
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Remove empty lines
Automatically remove blank lines and lines that contain only whitespace from text.
100% local
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Slug generator
Turn a title or phrase into a clean slug that is ready to use in a URL.
100% local
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CSV ↔ JSON converter
Convert CSV data to JSON or JSON to CSV while preserving useful structure.
100% localFeatured
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Compare two lists
Compare two lists to identify shared items and values that differ between them.
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Remove duplicates
Remove duplicate entries from a list while keeping one occurrence of each value.
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Sort a list
Sort list items alphabetically, numerically, or using the ordering option you choose.
100% local
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JSON formatter
Format, minify, and validate JSON to make it easier to read or more compact.
100% localFeatured
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JWT decoder
Decode a JWT to inspect its header, payload, and main token information more easily.
100% local
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UUID generator
Generate one or more random UUID v4 identifiers instantly and copy them when needed.
100% local
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Password generator
Generate a random password using the length and character types you choose.
100% localFeatured
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Clean text
Clean text by removing extra spaces, duplicate whitespace, and common formatting issues.
100% localFeatured
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Lorem ipsum generator
Generate Lorem Ipsum placeholder text for mockups, prototypes, and layout testing.
100% localFeatured
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Change text case
Change text case to lowercase, uppercase, title case, and other common formats.
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