Support
How can we help?
404-AM is open source. The fastest way to report bugs, request features, or ask questions is on GitHub.
Report a bug or ask a question
Open an issue on GitHub with steps to reproduce, your browser version, and a screenshot if possible.
GitHub Issues →Source code & docs
Build instructions, changelogs, and store listing notes live in the main repository.
View on GitHub →Privacy policy
404-AM does not collect or transmit user data. Read the full privacy policy for details on permissions and local storage.
Read privacy policy →Safari extension
- How do I enable 404-AM in Safari?
- Install the app from the Mac App Store, then open Safari → Settings → Extensions and turn on 404-AM.
- Where is the panel?
- On Safari, tap the floating 404-AM button on the page (usually bottom-right) to open the overlay panel.
- Chrome / Firefox / Edge
- See the home page for install links. Chrome DevTools users open the 404-AM tab inside DevTools.