DevTools

About DevTools

DevTools is a collection of free online tools designed to make developers' lives easier. Whether you're debugging a regular expression, building a cron schedule, or formatting JSON, we've got you covered.

Our Mission

We believe that developer tools should be accessible to everyone. That's why all our tools are:

  • 100% Free - No subscriptions, no hidden fees, no premium tiers
  • No Sign-up Required - Start using immediately without creating an account
  • Privacy-Focused - All processing happens in your browser, your data never leaves your device
  • Fast and Reliable - Built with modern web technologies for speed

Our Tools

  • Regex Tester - Test regular expressions with real-time matching and highlighting. Great for debugging complex patterns.
  • Cron Builder - Build and parse cron expressions with an intuitive visual interface. See human-readable descriptions and upcoming run times.
  • JSON Tools - Format, validate, minify, and convert JSON data. Includes JSON to YAML conversion.
  • YAML Tools - Convert YAML to JSON and validate YAML syntax. Perfect for configuration file work.
  • Encoder/Decoder - Base64 and URL encoding/decoding, plus MD5, SHA-1, and SHA-256 hash generation.

Why We Built This

As developers ourselves, we often found ourselves searching for simple tools to accomplish everyday tasks. We wanted a single place with all the utilities we need, without the clutter and distractions of ad-heavy websites. DevTools is our answer to that need.

Our Commitment to Privacy

Unlike many online tools, we don't send your data to any server. All processing happens directly in your browser using JavaScript. This means your code, configurations, and data stay on your device. We can't see it, and we don't want to.

Contact Us

Have a suggestion, found a bug, or just want to say hi? We'd love to hear from you! Reach out at: [email protected]