ErrorGeek

Look up any Windows error code in a second, without leaving the page. Type or paste a code, or select one on any web page and right-click **Look up error code**. ErrorGeek shows the name, the meaning, how the number breaks down and, for common codes, what to try first. It all comes from a list built into the extension, so it works offline.

A free, open source browser extension for Chrome, Microsoft Edge, Brave, Opera, Vivaldi and Firefox, from TechyGeeksHome. No account, no tracking, nothing to pay.

The files here are copied from the GitHub releases. Use the main ZIP for Chrome, Edge, Brave, Opera and Vivaldi (Load unpacked) and the -firefox ZIP for Firefox. Full install guide: https://techygeekshome.info/browser-extensions/errorgeek/

Project Samples

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License

GNU General Public License version 3.0 (GPLv3)

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Additional Project Details

Languages

English

Intended Audience

End Users/Desktop

User Interface

Web-based

Programming Language

JavaScript

Related Categories

JavaScript Browser Extensions and Plugins

Registered

2026-10-23

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