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ScriptCat by 王一之
Everything can be scripted, allowing your browser to do more!
Available on Firefox for Android™Available on Firefox for Android™
8,828 Users8,828 Users
Scan the QR code to open this extension in Firefox for Android
Extension Metadata
About this extension
ScriptCat, a browser extension that can execute user scripts, everything can be scripted, allowing your browser to do more things!
About
We built a framework for executing background scripts and Greasemonkey/Tampermonkey scripts based on the design ideas of Greasemonkey/Tampermonkey. It also has several unique APIs that enable scripts to do more. Furthermore, we provide a fantastic online editor that makes script code development more pleasant and easy.
Please Star it if you find it useful. ❤❤❤
Features
...More features are Coming.
Discussion
Other
API Document: https://docs.scriptcat.org/en/docs/dev/
Github: https://github.com/scriptscat/scriptcat
About
We built a framework for executing background scripts and Greasemonkey/Tampermonkey scripts based on the design ideas of Greasemonkey/Tampermonkey. It also has several unique APIs that enable scripts to do more. Furthermore, we provide a fantastic online editor that makes script code development more pleasant and easy.
Please Star it if you find it useful. ❤❤❤
Features
- Cloud Sync: script recovery is easy when changing or reinstalling browser
- Scripts subscription: creating your own script collections or enabling multiple scripts to work together.
- Compatibility: allowing seamless migration from other userscript managers.
- Background scripts: allowing your scripts to run continuously in the background.
- Scheduled scripts: allowing for daily scheduled tasks. You can use them for automatic check-ins, timed reminders, and more.
- Rich API: more powerful APIs than other managers, which can realize more functions.
- Sandbox mechanism: ensuring user safety, script permissions are granted only with user consent.
- Excellent editor: providing API auto-completion and ESLint.
- Nice UI
...More features are Coming.
Discussion
Other
API Document: https://docs.scriptcat.org/en/docs/dev/
Github: https://github.com/scriptscat/scriptcat
Rated 4.7 by 109 reviewers
Permissions and data
Required permissions:
- Input data to the clipboard
- Download files and read and modify the browser’s download history
- Display notifications to you
- Access browser tabs
- Access your data for all websites
Data collection:
- The developer says this extension doesn't require data collection.
Optional data collection, according to the developer:
- Authentication information
- Personally identifying information
More information
- Add-on Links
- Version
- 0.16.15
- Size
- 4.35 MB
- Last updated
- 3 months ago (May 19, 2026)
- Related Categories
- Version History
- Tags
- Add to collection