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Bethemesh

Category

Data & spreadsheets

Clean, compare, validate, and transform tables, CSV files, and structured data directly in your browser.

18 tools available

18available tools

Free, fast utilities available without creating an account.

6subcategories

Clear families that help you find the right operation quickly.

18embeddable widgets

The same tools ready to embed directly on your own website.

Why this category?

Why use data & spreadsheets tools?

These tools speed up repetitive tabular-data work without requiring heavy desktop software. They help prepare migrations, verify exports, and create more reliable datasets.

Local processing also makes it possible to work with confidential exports without uploading them. Each tool solves a focused task and can later be combined with other modules inside Workspace.

Use cases

Prepare an import

Validate, clean, and reorder a CSV before sending it to a CRM, ERP, or spreadsheet.

Compare exports

Find additions, removals, duplicates, and differences across data files.

Automate cleaning

Chain recurring transformations inside the visual Workspace.

Browse by subcategory

All tools

CSV & spreadsheets

Work with CSV, Excel, and other tabular data files.

Data & spreadsheets

CSV validator

Validate CSV structure and quickly identify problematic rows or columns in your data.

100% local
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Cleaning & transformation

Clean, filter, sort, and reorganize tables.

Data & spreadsheets

Clean an Excel or CSV file

Remove duplicates, empty rows and unnecessary spaces.

100% localFeatured
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Data & spreadsheets

CSV Deduplicator

Remove duplicate CSV rows using the columns you choose as matching criteria.

100% local
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Data & spreadsheets

CSV Filter

Filter CSV rows by column using text, exact values, or numeric conditions.

100% local
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Data & spreadsheets

CSV Sort

Sort CSV rows by a selected column in ascending or descending order.

100% local
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Data & spreadsheets

CSV Column Selector

Select the CSV columns you want to keep in the final result.

100% local
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Data & spreadsheets

CSV Column Rename

Rename one or more CSV columns without changing the row data.

100% local
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Data & spreadsheets

Duplicate analyzer

Find duplicate lines, count occurrences and export a clean summary.

100% local
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Comparison

Compare tables and identify differences.

Data & spreadsheets

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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Data & spreadsheets

CSV Compare

Compare two CSV files to quickly identify rows and values that differ between them.

100% local
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Data conversion

Convert tabular data formats.

Data & spreadsheets

CSV ↔ JSON converter

Convert CSV data to JSON or JSON to CSV while preserving useful structure.

100% localFeatured
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Data & spreadsheets

Convert Excel, CSV and JSON

Convert Excel, CSV, and other spreadsheet formats directly in your browser.

100% localFeatured
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Data & spreadsheets

CSV / TSV converter

Convert tabular text between comma-separated and tab-separated formats.

100% local
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Analysis & statistics

Measure and summarize columns and tables.

Data & spreadsheets

CSV Statistics

Analyze CSV columns and quickly get useful statistics about your data.

100% local
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Merge & split

Merge or split multiple files and tables.

Data & spreadsheets

Merge Excel or CSV files

Merge multiple Excel or CSV files into one table with automatic column alignment.

100% localFeatured
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Data & spreadsheets

Split an Excel file by column

Split an Excel file into multiple sheets based on values from a selected column.

100% local
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Data & spreadsheets

CSV Splitter

Split a CSV file into smaller files using the size or groups you choose.

100% local
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Data & spreadsheets

CSV Merge

Merge multiple CSV files into one table while keeping columns aligned consistently.

100% local
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Embeddable on your website

All these tools are also available as widgets

Add tools from this category to WordPress, Webflow, Wix, or any HTML page with the same local processing.

View widgets in this category

Frequently asked questions

Are my data uploaded?

No. Compatible tools process the entered data locally in your browser.

Can these tools be embedded?

Yes. Available widgets can be added to your website with embed code.

Do I need an account?

No account is required to use the public tools in this category.