ScriptCat Beta icon

ScriptCat Beta

Established publisherManifest V3 Free
View in Chrome Web Store Data as of 15 Oct 2026

A powerful userscript manager that unlocks your browser's full potential!

Users
5,000
0 in 30 days
Rating
4.2 / 5
unchanged in 30 days
Ratings
9
0 in 30 days
Store rank
#14K
#12K among extensions
Version
1.5.0.1500
updated 20 Sep 2026

Users

monthly, 2 years
05,00010KApr 2025Feb 2026Oct 2026
Latest, 15 Oct 2026: 5,000 usersMove the mouse over the chart for any month

Ratings count

monthly, 2 years
049Apr 2025Feb 2026Oct 2026
Latest, 15 Oct 2026: 9 ratingsMove the mouse over the chart for any month

The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.

About ScriptCat Beta

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 - 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 - [Telegram](https://t.me/scriptscat) - [Discord](https://discord.gg/JF76nHCCM7) - [油猴中文网](https://bbs.tampermonkey.net.cn/) ## Other API Document: https://docs.scriptcat.org/en/docs/dev/ Github: https://github.com/scriptscat/scriptcat

Growth

WindowUsersChangeRatingsRating
7 days0+0.0%00.00
30 days0+0.0%00.00
6 months−5,000−50.0%+3−0.28
1 year+1,000+25.0%+3−0.28

Version history

39 versions recorded
1.5.0.150020 Sep 2026
1.5.0.14002 Sep 2026
1.5.0.130023 Aug 2026
1.5.0.12008 Aug 2026
1.5.0.11009 Jul 2026
1.4.0.150015 Jun 2026
1.4.0.140020 May 2026
1.4.0.13007 May 2026

Details

Category
Workflow & Planning
First seen
11 Apr 2025
Size
5.0 MB
Languages
de, en, vi, tr, pt-BR, ru, zh-CN, zh-TW
Pricing
Free
Privacy policy
docs.scriptcat.org
Support
github.com
Extension ID
jaehimmlecjmebpekkipmpmbpfhdacom

Permissions and risk

Elevated riskimpact 4, likelihood 2
Permissions
tabsalarmsstoragecookiesoffscreenscriptingdownloadsactiveTabwebRequestuserScriptscontextMenuswebNavigationnotificationsclipboardWriteunlimitedStoragedeclarativeNetRequestdebugger
Site access
<all_urls>
Can read and change data on every website you visit.

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