Data tools
15 data utilities, all running in your browser. No signup, no tracking.
- CSV to JSONConvert between CSV and JSON.
- CSV ViewerPreview CSV as a table.
- SQL FormatterTidy up SQL with clause breaks and keyword case.
- Regex TesterTest a regular expression and inspect matches.
- JWT DecoderRead a JSON Web Token's header and payload.
- Unix TimestampConvert epoch seconds or milliseconds to dates.
- Text DiffCompare two blocks of text line by line.
- Hash SuiteSHA-1, SHA-256, SHA-384 and SHA-512 digests.
- SlugifyTurn text into a URL-friendly slug.
- Mock DataGenerate sample rows as JSON, CSV or SQL.
- JSON to YAMLConvert between JSON and YAML in both directions.
- CSV CleanerFix BOM, whitespace, blank rows, duplicates and formula injection.
- Excel DateConvert Excel serial dates to real dates and back.
- URL ParserBreak a URL into parts and inspect query parameters.
- Cron ParserExplain a cron expression and preview the next runs.