ScriptCat

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

As of June 2026, ScriptCat has 100,000 users and a 4.49/5 rating from 70 reviews in the Workflow & Planning category.

王一之 Workflow & Planning★ Featured

Chrome Web Store ↗.crx

Users+25.0%

100.0K

100,000

Rating+0.2%

4.49

70 reviews

Reviews+7.7%

Version

1.3.2

Manifest V3

90-day change · In the last 90 days this extension gained 20.0K users, 1 version update.

History

6 snapshots

Tracking since Apr 9, 2026.

View as table

Date	Users	Rating	Reviews	Version
Apr 9, 2026	80.0K	4.48	65	1.3.1
Apr 16, 2026	80.0K	4.48	65	1.3.2
Apr 26, 2026	90.0K	4.48	66	1.3.2
May 12, 2026	90.0K	4.49	67	1.3.2
May 20, 2026	100.0K	4.46	67	1.3.2
Jun 7, 2026	100.0K	4.48	69	1.3.2
Now	100.0K	4.49	70	1.3.2

Permissions & access

Permissions: tabsalarmsstoragecookiesoffscreenscriptingdownloadsactiveTabwebRequestuserScriptscontextMenuswebNavigationnotificationsclipboardWriteunlimitedStoragedeclarativeNetRequest
Host access: <all_urls>

Screenshots

About

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