Toolra
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Tools for Developers – free online

Fast web tools for developers: format JSON, encode Base64, test regex, hash and URL-encode, convert number bases and Unix timestamps, convert color codes and diff text. Free, no signup.

The tools

🧾JSON FormatterFormat and validate JSON instantlyπŸ”’Base64 Encoder / DecoderEncode and decode Base64 text instantlyπŸ”Regex TesterTest and debug regular expressions live with highlightsπŸ”‘Hash GeneratorGenerate SHA-256, SHA-512 and more hashes instantlyπŸ”—URL Encoder / DecoderEncode and decode URLs and query strings instantlyπŸ’»Binary / Hex ConverterConvert between decimal, binary, octal and hex⏰Unix Timestamp ConverterConvert Unix timestamps to dates and back🎨Color Code ConverterConvert HEX, RGB, and HSL color codes instantlyπŸ”€Text Diff CheckerCompare two texts and highlight differences line by line🌈CSS Gradient GeneratorCreate beautiful linear and radial CSS gradients visually🎨HEX Color PickerPick colors and get HEX, RGB, and HSL codesπŸ“‹Markdown PreviewWrite Markdown and see the live preview

Why Toolra?

  • βœ“The daily dev helpers in one place – no app switching.
  • βœ“Runs entirely in the browser, no data leaves your device.
  • βœ“No login, no tracking of your input.

Frequently asked questions

Is my data (e.g. JSON) sent to a server?

No, every tool runs locally in the browser – your input never leaves your device.

Can I test regex live?

Yes, the regex tester shows matches instantly as you type.

Which formats does the number base converter cover?

Decimal, binary, octal and hexadecimal.

Are the tools free?

Yes, completely free and no signup.