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MyDevTools
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Open Source

Open-source developer tools you can audit and self-host

MyDevTools is built in public so developers can inspect the implementation, contribute improvements, and run the toolkit on their own infrastructure.

View GitHubSelf-host guide

GPL-3.0 codebase

The source is available for developers who want transparency and control instead of a black-box utility site.

  • Audit how tools process data and how sensitive sync is implemented.
  • Fork the project for private or internal workflows.
  • Contribute bug fixes, new tools, documentation, and quality improvements.

Why open source matters for dev tools

Developer utilities often touch source code, payloads, credentials, requests, and generated data.

  • Readable source builds trust for privacy-sensitive tools.
  • Self-hosting avoids vendor lock-in for teams with strict policies.
  • Community review improves reliability over time.

Cloud without losing transparency

The hosted service runs the same product direction while preserving an open-source foundation.

  • Use managed cloud when convenience matters.
  • Use self-hosting when infrastructure control matters.
  • Move between models without adopting a separate proprietary toolkit.

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Test JavaScript regular expressions with live match highlighting, flags (g, i, m, s, u), and match counts. Client-side only.

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Generate UUID v1–v7 or ULIDs with namespace options and bulk copy or download.

Base64 Encoder / Decoder

Encode text to Base64 or decode Base64 strings instantly, with UTF-8 support. Runs entirely in your browser.