uBlacklist blocks selected websites from appearing in Google search results.
Open sourcePick
10 alternativesTime Tracker 4 Browser
This browser extension tracks time, analyzes browsing habits, and can block selected sites.
About Time Tracker 4 Browser
Time Tracker - Web Habit Builder is a browser extension that records how much time is spent on websites and how often they are visited. It presents this data as daily records, dashboards, website analysis and habit reports, and lets users manage sites with whitelist and merge rules.
Beyond tracking, it can enforce daily, weekly and per-visit limits and block pages once those limits are reached, and it offers Focus and Pomodoro sessions. Settings can be exported and imported, data can be synchronized through the supported browser account, and backups can be made to GitHub Gist, WebDAV or the Obsidian Local REST API. The extension is open source under the MIT license and can be installed for Firefox, Chrome and Microsoft Edge, with a manual installation route for Safari. Pricing information is not stated.
Key features
- Tracks browsing time and visit counts per website
- Dashboards, website analysis and habit reports
- Daily, weekly and per-visit website limits
- Page blocking when configured limits are reached
- Focus and Pomodoro sessions
- Backup via GitHub Gist, WebDAV or Obsidian Local REST API
Best for: People using Firefox, Chrome or Edge who want to measure and limit the time they spend on websites.
Good for
- Open source under the MIT license
- Available for Firefox, Chrome and Microsoft Edge
- Supports data export, import, migration and several backup options
Watch out for
- Safari requires a manual installation process
- Most localization relies on machine translation
- Backup options depend on external services such as GitHub Gist, WebDAV or Obsidian
Time Tracker 4 Browser at a glance
- Category
- Productivity › Automation
- Type
- Open-source project
- Pricing
- Not confirmed. Check the site
- Platforms
- Browser extension
- Open source
- Yes · Source code
- Language
- English
- Last checked
- Oct 5, 2026 · Online when checked
- Listed
- Oct 5, 2026
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Time Tracker 4 Browser FAQ
Which browsers can I install it on?
It can be installed for Firefox, Chrome and Microsoft Edge. Safari is supported through a manual installation process.
How can I back up or sync my data?
Data can be synchronized through the supported browser account, or backed up with GitHub Gist, WebDAV or the Obsidian Local REST API. Export and import of settings is also available.
How do I report a problem or suggest a feature?
You can submit an issue on GitHub Issues, join the Discord community, or start a discussion in GitHub Discussions.
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