stupid devtools

web developer tools for mobile

Only for iPhone

Free · Designed for iPhone. Not verified for macOS.

iPhone

stupid devtools brings desktop-style debugging to mobile. Invoke the extension popup on any page to capture console logs, errors, and network calls, then review everything in the host app. Run JavaScript, inspect fetch/XHR requests with headers and bodies, and monitor runtime errors and unhandled rejections. Logs are organized by tab and stored securely offline on your device. Alongside the browser extension it also has a companion app to allow easily interacting with the web app and quickly switching to see logs.

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Now called stupid devtools, with a new icon and a simpler design. - Long-press a request to copy it as cURL or fetch, or copy its URL or response - Responses are formatted by type (JSON, XML, forms, images), with a Raw toggle - The popup shows only the current tab, and keeps its logs when Safari pauses the extension - Logs are captured from the very start of the page load - Requests no longer lose their responses, and pages load without waiting on devtools - Better console output for objects, errors and printf-style messages

The developer, Stephan Cilliers, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Not Collected

    The developer does not collect any data from this app.

    Privacy practices may vary based, for example, on the features you use or your age. Learn More

    The developer has not yet indicated which accessibility features this app supports. Learn More

    Size
    2.1 MB
    Category
    Developer Tools
    Compatibility
    Requires iOS 17.0 or later.
    • iPhone
      Requires iOS 17.0 or later.
    • Mac
      Requires macOS 14.0 or later and a Mac with Apple M1 chip or later.
    • Apple Vision
      Requires visionOS 1.0 or later.
    Languages
    English
    Age Rating
    4+
    Provider
    Stephan Cilliers
    • Stephan Cilliers has not identified itself as a trader for this app. If you are a consumer in the European Economic Area, consumer rights do not apply to agreements between you and the provider.
    Copyright
    © 2025 Stephan Cilliers