Userscripts

An open-source userscript and userstyle manager for Safari on macOS and iOS.

FreeOpen sourcemacOSiOSBrowser extension
Official websitegithub.com

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About Userscripts

Userscripts is a Safari extension for running user scripts and user styles, the small JavaScript and CSS files that change how websites look and behave. It fills the role that Greasemonkey and similar managers play in other browsers, but for Safari on both the Mac and iPhone or iPad.

The project is developed in the open on GitHub, where its source, documentation and Xcode project are published.

Strengths

  • Brings userscripts to Safari on Mac and iOS
  • Supports both user scripts and user styles
  • Open source with an active repository

Limitations

  • Safari only
  • Scripts written for other managers may need adjustments

Details

Pricing
FreeFree and open source.
License
Open source, license not stated
Developer
quoid
Platforms
macOS, iOS, Browser extension
How it runs
Downloadable app, Browser extension
Account
Not required
Best suited for
Safari users on Mac or iPhone who want to run user scripts
Last verified
Added
Provenance
Facts checked against the developer's own pages and store listings, 1 sources on file.

Alternatives to Userscripts

Compare all

Software that can replace Userscripts for an important use case, and what changes if you switch.

  • Tampermonkey

    Userscript manager for running custom scripts on websites.

    FreeProprietaryBrowser extension

    Tampermonkey runs the same scripts across every major browser and adds script updates, backups and a built-in editor, but it is closed source and does not manage user styles.

  • Violentmonkey

    Open-source userscript manager with cloud backup.

    FreeOpen sourceBrowser extension

    Violentmonkey is an open-source userscript manager under the MIT license with script sync through your own storage, but its listing does not mention Safari or iOS support.

  • ScriptCat

    A userscript manager extension compatible with Tampermonkey scripts that can also run background scripts.

    FreeOpen sourceBrowser extension

    ScriptCat runs existing Tampermonkey scripts and adds background scripts and extra APIs, though those extended APIs work only in ScriptCat and Safari support is not mentioned.

  • Greasemonkey

    A Firefox extension that runs user scripts to change how web pages look and behave.

    FreeOpen sourceBrowser extension

    Greasemonkey is an open-source userscript manager with a built-in editor and automatic updates, but it runs only in Firefox and receives releases infrequently.

Similar software

Related functionality, not necessarily a direct replacement.

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