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Quick tools JSON formatter JSON ↔ CSV converter JSON ↔ YAML converter JSON to SQL JSON to TypeScript XML formatter Data size calculator Base64 encoder/decoder

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20 toolsFreeNo sign-up

Free data converters

20 tools without sign-up. They run locally in your browser — your data is never uploaded.

Data9

JSON formatterValidate, pretty-print or minify JSON JSON ↔ CSV converterFlatten JSON to CSV, or turn CSV into JSON JSON ↔ YAML converterConvert configs between JSON and YAML JSON to SQLCREATE TABLE and INSERTs from a JSON array JSON to TypeScriptInfer TypeScript interfaces from JSON XML formatterValidate, indent or minify XML Data size calculatorConvert data sizes and estimate download time Base64 encoder/decoderEncode and decode Base64 and Base64URL Hash generatorMD5, SHA-1, SHA-256/384/512 and CRC-32

Text & lists8

Remove duplicate linesUnique lines, first occurrence kept Sort linesAlphabetical, natural, length, shuffle Filter linesKeep or drop lines that match Compare two listsOnly in A, only in B, in both Split and join textText to lines and lines to a list Find and replacePlain or regex replace with groups Text diffAdded and removed lines or words Text cleanerExtra spaces, tags, invisible characters

Developer1

Regex testerTest regular expressions with live highlighting

Scraping2

HTML table to CSVTables from HTML to CSV Email extractorEmails, phones and links from any text

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