Data & spreadsheets

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

Remove duplicates, empty rows and unnecessary spaces.

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

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

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

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

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

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

Swap rows and columns in an Excel, CSV, or JSON table.

Turn a wide table into long format while preserving identifier columns.

Create a new numeric column from a formula that references other table columns.

Compare two Excel or CSV files using a key column and spot the differences.

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

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

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

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

Convert Excel, CSV, or JSON into a copy-ready Markdown table.

Turn Excel, CSV, or JSON into semantic HTML table markup.

Generate SQL INSERT statements from Excel, CSV, or JSON.

Turn nested JSON objects into explicit path columns ready for tabular use.

Profile every CSV column with detected type, missing values, cardinality, and descriptive numeric statistics.

Cross a row dimension with a column dimension, then calculate count, sum, average, minimum, or maximum.

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

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

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

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

Match two tables on a shared column without uploading your files.