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Tampermonkey

Run custom scripts on any website

About Tampermonkey

Tampermonkey is a userscript manager that allows you to customize the way web pages display or behave by running custom JavaScript code. Install scripts created by other users or write your own to modify websites, automate tasks, add new features, or remove annoyances. With millions of available userscripts, you can enhance YouTube, fix Reddit, auto-fill forms, bypass paywalls, and much more. Essential for power users who want complete control over their browsing experience.

Key Features

Real-time
Instant updates and processing
Offline Support
Works without internet
Multi-language
Supports multiple languages
Privacy
high privacy level

Pros

  • Millions of available scripts
  • Highly customizable
  • Free and open source
  • Active community

Cons

  • Security risk if using untrusted scripts
  • Requires technical knowledge
  • Can break website functionality

Pricing

ModelFree
Starting atFree

Best For

Power usersDevelopersAutomation enthusiastsCustomization fans

Integrations

Any website
Greasy Fork script repository

Frequently Asked Questions

What is Tampermonkey?

Tampermonkey is a userscript manager that allows you to customize the way web pages display or behave by running custom JavaScript code. Install scripts created by other users or write your own to mod...

Is Tampermonkey free?

Yes, Tampermonkey offers a free tier.

What are the main features of Tampermonkey?

Millions of available scripts. Highly customizable. Free and open source.

Who is Tampermonkey best for?

Tampermonkey is ideal for Power users, Developers, Automation enthusiasts.

What are alternatives to Tampermonkey?

Popular alternatives to Tampermonkey include violentmonkey, greasemonkey-firefox, userscripts. Each offers similar functionality with different features and pricing models.