CSV & Data Tools

Process, validate, and transform CSV datasets with free tools that never upload your data or add watermarks.

What this category does

CSV & Data Tools helps you process, validate, and transform CSV datasets with free tools that never upload your data or add watermarks.

What you get

CSV & Data Tools gives you a local, searchable index of browser-first tools to open next, and helps you move directly into each route without leaving this page.

CSV Validator

Check CSV structure, delimiters, and header consistency with instant validation feedback.

Visit CSV Validator

CSV Column Picker

Select and export specific columns from large CSV files in seconds.

Visit CSV Column Picker

CSV Deduplicator

Remove duplicate rows using any column as a unique key.

Visit CSV Deduplicator

CSV Merge & Join

Join two CSV datasets on matching columns with a left-join workflow.

Visit CSV Merge & Join

CSV to HTML Table

Convert CSV data into responsive HTML table markup for websites and dashboards.

Visit CSV to HTML Table

CSV to Markdown Table

Create GitHub-ready markdown tables from CSV files instantly.

Visit CSV to Markdown Table

CSV Pivot Table Builder

Summarise CSV data with drag-free pivot table generation and export.

Visit CSV Pivot Table Builder

CSV to NDJSON

Transform CSV rows into newline-delimited JSON for streaming pipelines.

Visit CSV to NDJSON

CSV Sorter

Sort massive CSV files by one or multiple columns without uploading data.

Visit CSV Sorter

CSV Statistics Explorer

Calculate column averages, mins, maxes, and percentiles entirely in your browser.

Visit CSV Statistics Explorer