ScriptCat icon

ScriptCat

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

Everything can be scripted, allowing your browser to do more!

Users
100K
0 in 30 days
Rating
4.5 / 5
unchanged in 30 days
Ratings
72
0 in 30 days
Store rank
#2,064
#1,816 among extensions
Version
1.4.0
updated 9 Jul 2026

Users

monthly, 3 years
6,00053K100KAug 2023Apr 2025Oct 2026
Latest, 15 Oct 2026: 100,000 usersMove the mouse over the chart for any month

Ratings count

monthly, 3 years
53872Aug 2023Apr 2025Oct 2026
Latest, 15 Oct 2026: 72 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

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+10K+11.1%+6+0.03
1 year+50K+100.0%+14−0.13

Chrome Web Store search rankings

Where ScriptCat appears when people search the store, with the 30 day change
Search phrasePosition30 days
script#16−2

Version history

77 versions recorded
1.4.029 Jun 2026
1.3.27 Apr 2026
1.3.122 Mar 2026
1.2.64 Feb 2026
1.2.48 Jan 2026
1.2.323 Dec 2025
1.2.215 Dec 2025
1.2.110 Dec 2025

Details

Category
Workflow & Planning
First seen
18 Mar 2021
Size
4.4 MB
Languages
de, en, vi, ru, zh-CN, zh-TW, ja
Pricing
Free
Privacy policy
docs.scriptcat.org
Support
github.com
Extension ID
ndcooeababalnlpkfedmmbbbgkljhpjf

Permissions and risk

Moderate riskimpact 4, likelihood 1
Permissions
tabsalarmsstoragecookiesoffscreenscriptingdownloadsactiveTabwebRequestuserScriptscontextMenuswebNavigationnotificationsclipboardWriteunlimitedStoragedeclarativeNetRequest
Site access
<all_urls>
Can read and change data on every website you visit.

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