True Devtools is a free, client-side app offering 45+ development tools in one place, allowing for quick tasks without storing user data and supports offline use.

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Get a dedicated desktop app for True Devtools on Mac, Windows, and Linux with WebCatalog Desktop.

  • Launch True Devtools directly from your Dock or taskbar.
  • Work without distractions in a dedicated window, separate from your browser tabs.
  • Manage multiple True Devtools accounts and switch between them without logging out.

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True Devtools is for developers who need quick ways to handle everyday coding and data tasks without opening a separate site for each one. Its browser-based tools include formatters and minifiers for JavaScript, CSS, HTML, JSON, and XML; a regex tester; Base64 and URL encoders and decoders; text converters; image utilities; and helpers for tasks such as parsing cron expressions and Unix timestamps. Use it to tidy code, inspect or convert data, test patterns, and generate or transform common values. The tools run on your device, and the app can be installed as a progressive web app for offline use.

Disclaimer: WebCatalog is not affiliated, associated, authorized, endorsed by or in any way officially connected to True Devtools. All product names, logos, and brands are property of their respective owners.

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