
Title Tamer by Irv66
Title Tamer allows you to rename your browser tabs based on URL exact matches, partial matches, or even RegEx rules. Customize your tab titles to your liking to show what information you want displayed.
You'll need Firefox to use this extension
Extension Metadata
Screenshots

About this extension
Customize your browser tab titles with ease.
Title Tamer allows you to monitor and rename tab titles dynamically based on user-defined patterns. Whether you're managing multiple tabs for work, research, or personal use, this add-on helps you stay organized and productive.
Features
Examples
Limitations
Debugging and Testing
To test your patterns:
Inspiration
Title Tamer was inspired by these add-ons:
Title Tamer allows you to monitor and rename tab titles dynamically based on user-defined patterns. Whether you're managing multiple tabs for work, research, or personal use, this add-on helps you stay organized and productive.
Features
- Dynamic Tab Title Updates: Automatically update tab titles based on URL or title changes.
- Customizable Rules: Use regular expressions (including capture groups) for advanced pattern matching or simple substring searches for basic matches.
- Real-Time Monitoring: Detect and apply rules to new tabs, changed URLs, or updated titles.
- Pattern Management: Add, delete, update, and reorder patterns to prioritize specific rules.
- Import/Export Support: Easily back up or share your custom patterns.
- Flexible Options: Open the options page in a separate tab for a better overview of your rules.
- Tab Management: Optionally load discard tabs and re-discard after editing rules.
Examples
- Check out the Examples Wiki for ideas on how to use Title Tamer effectively.
Limitations
- Does not work on browser-internal pages like
about:addons
orabout:debugging
. - Requires host permissions for certain pages like reader view, view-source, and PDF viewer.
- Cannot update titles for discarded tabs until they are loaded.
- Redirecting sites (e.g., login pages) may cause rules to apply inconsistently.
Debugging and Testing
To test your patterns:
- Visit https://regex101.com/.
- Select "ECMAScript (JavaScript)" under the "FLAVOR" section.
- Enter your pattern in the "REGULAR EXPRESSION" box.
- Enter a test URL in the "TEST STRING" box.
- Verify that your pattern matches the URL as expected.
Inspiration
Title Tamer was inspired by these add-ons:
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PermissionsLearn more
This add-on needs to:
- Access browser tabs
- Access your data for all websites
More information
- Add-on Links
- Version
- 0.9.2
- Size
- 26.15 KB
- Last updated
- 2 months ago (Mar 24, 2025)
- Related Categories
- License
- MIT License
- Version History
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Release notes for 0.9.2
Fixed issue when dealing with dark mode and addon icon under certain conditions. (https://github.com/irvinm/Title-Tamer/issues/5)
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