← All tools
Text & Developer
Format, convert, and inspect text without sending it anywhere.
Runs in your browser · Nothing uploaded
- JSON formatterPretty-print, minify, and validate JSON — with the parse error's line and column.Runs in your browser · Nothing uploaded
- JSON ↔ CSVConvert a JSON array of objects to CSV and back, in the browser.Runs in your browser · Nothing uploaded
- Markdown previewType Markdown on the left, see the rendered page on the right.Runs in your browser · Nothing uploaded
- Text diffTwo panes, word-level inserts and deletes, no upload.Runs in your browser · Nothing uploaded
- Regex testerLive match highlights and capture groups for a pattern you type.Runs in your browser · Nothing uploaded
- URL encode / decodePercent-encode or decode a URL component, including Unicode.Runs in your browser · Nothing uploaded
- Base64 textEncode or decode plain text as Base64 — not the image tool.Runs in your browser · Nothing uploaded
- Case converterUpper, lower, title, camel, snake, and kebab case.Runs in your browser · Nothing uploaded
- Hash generatorSHA-256 and SHA-1 of pasted text, via the browser's Web Crypto API.Runs in your browser · Nothing uploaded
- UUID generatorGenerate one or many version-4 UUIDs with crypto.randomUUID.Runs in your browser · Nothing uploaded
- Word counterWords, characters, sentences, and a reading-time estimate as you type.Runs in your browser · Nothing uploaded