21 tools · 0 sign-ups · 0 bytes uploaded
Every dev utility you reach for, one keystroke away.
Fast, keyboard-first tools that run entirely in your browser. No ads, no accounts, and your data never leaves the tab.
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Data
Format, convert and inspect structured data.- JSON FormatterFormat, validate and explore JSON. Also reads Python dicts and JS objects.
- YAML ⇄ JSONNewConvert YAML to JSON and back, with error line numbers.
- Unix TimestampConvert Unix timestamps to dates and back, in local time and UTC.
- Number Base ConverterNewBinary, octal, decimal and hex, side by side. Handles huge numbers.
Encoding
Encode, decode and peek inside tokens.Text
Compare, transform and measure text.- Text DiffNewCompare two texts line by line and see exactly what changed.
- Regex TesterTest JavaScript regular expressions with live match highlighting.
- Case ConvertercamelCase, snake_case, kebab-case, PascalCase and more.
- Markdown PreviewNewWrite Markdown and see it rendered live, then copy the HTML.
- Text StatsNewCharacters, words, lines, bytes and reading time at a glance.