User Scripts · 3:15
Create User Scripts with JavaScript, CSS and HTML
Create browser User Scripts, control auto-run behavior, and customize repetitive page-level work.
The current official video may contain Arabic narration. This page provides the English guide and product context.
Watch on YouTube ↗What you will learn
Create browser User Scripts, control auto-run behavior, and customize repetitive page-level work.

Practical steps
- Open the feature shown in the tutorial and confirm you are working in the intended Profile or browser context.
- Apply the setting only to the Profile or page where you need it, then save the change.
- Test the result on a limited scope before making it part of a repeated workflow.
When to use it
Use this when you want reusable logic to run inside matching pages or Profiles.
Important notes
- Use accounts, proxies and session data only when you own them or are authorized to use them.
- Treat Cookies, Sessions, passwords and authentication data as sensitive information.