Free developer tools that run in your browser
No ads. No sign-up. No uploads.
- 18
- Tools
- 0
- Uploads
- 0
- Sign-ups
All tools
Format8
- SQL FormatterFormat messy SQL into readable, indented code.
- Markdown FormatterTidy up messy Markdown for docs and READMEs.
- HTML FormatterIndent, tidy and validate messy HTML.
- CSS FormatterFormat and validate your CSS.
- YAML FormatterFormat and validate YAML files.
- TOML FormatterTidy up TOML config files.
- CSV FormatterClean and reshape CSV data.
- XML FormatterPretty-print and validate XML documents.
Validate3
Convert3
About Aarrange
Aarrange is a collection of small developer tools that run entirely in your browser. Paste your code, get it formatted, close the tab. No accounts, no uploads, no ads chasing you around the internet.
Built with
- Next.js and React 19Foundation
- Pages are rendered on the server. The tools run in your browser.
- TypeScriptReliability
- End-to-end typed so bugs get caught before they ship.
- CodeMirror 6Editor
- Code editor with syntax highlighting and language support.
- Vercel EdgeSpeed
- Pages load from the server nearest you.
- Client-side computePrivacy
- Your data stays on your device. Nothing gets uploaded.
- Free foreverEvery tool is free to use.
- No sign-up, everOpen a page and use it.
- Runs in your browserYour code stays on your device. Nothing gets uploaded.
- No ad trackingNo ads and no cookies. Only an anonymous page count.