Developer Tools
Formatters, encoders, generators and testers for everyday development work. Everything runs locally in your browser, so your data stays on your machine.
3 tools · free · no sign-up
- 01Chmod Calculator (Linux File Permissions)Tick owner, group and others permissions to get the octal mode, symbolic mode and copy-ready chmod commands, including recursive find.
- 02JSON Formatter & ValidatorFormat, validate and minify JSON with exact error lines, one-click fixes for common mistakes and lossless output.
- 03UUID / GUID Generator (v4, v7, ULID)Generate UUID v4, v7, v1, v5, ULID and NanoID in bulk, format them for SQL or JSON, and decode or validate any UUID.