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Download any extension as a CRX file or convert it to a ZIP you can unzip and read. Paste a Web Store link and go. Paste a Chrome Web Store link, pick a format, and the extension's package lands in your downloads folder. That is the whole tool. You get two choices: CRX - the original signed package, exactly as Google serves it. Use this to archive a specific version or to install it again later. ZIP - the same package with its signature header stripped off. Unzip it and you can read manifest.json and every script inside. Use this to inspect what an extension actually does. HOW TO USE IT 1. Click the toolbar icon 2. Paste a Chrome Web Store link. A bare 32-character extension ID works too, and so does a chrome-extension:// URL 3. Choose Download as CRX or Download as ZIP WHO THIS IS FOR Anyone keeping an offline backup of a version that works, before an auto-update changes it. People who need to read the source of an extension that has since been pulled from the store. Developers who want to see how a feature was built before writing their own version. Security researchers checking an extension's permissions and network calls before recommending it to a team. WHAT IT DOES NOT DO No account, no sign-in, no analytics, no tracking, no uninstall survey. The extension contacts exactly one server, Google's own public update endpoint, and the CRX to ZIP conversion runs locally in your browser. Package contents never reach a server of ours, because there is no server of ours. It also never uploads what you download to a third-party site. A NOTE ON FAIR USE Extension packages are served publicly and fetching one has been a normal debugging technique for years. The code inside is still the author's copyrighted work. Use this to inspect, audit, learn from, and back up. Do not use it to republish someone else's extension as your own.
rating_count is the Chrome Web Store ratings count, not a written-review count.