Small tools. No uploads.

Quick data utilities that run in your browser.

Clean, convert and inspect CSV and JSON files locally. Your data stays on your device.

CSV Cleaner

Trim spaces, remove empty rows and normalize simple CSV files.

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CSV → JSON

Convert CSV rows into a JSON array directly in your browser.

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JSON → CSV

Convert an array of JSON objects into CSV.

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Delimiter Converter

Switch between comma, semicolon, tab and pipe delimiters.

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Column Selector

Keep only the CSV columns you need.

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JSON Formatter

Validate, pretty-print and minify JSON.

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Privacy by design

All current tools process data locally in your browser. Files are not uploaded to TinyDataKit servers.