Lockin - Productivity Chrome Extension
maintain focus via tab locks, tab limits, and site bans
Lockin - Productivity Chrome Extension launched on March 16, 2026.
What it does
What it is - A unique extension which controls browser state to maintain user focus via tab locking, tab limiting, and site banning. 1. Lock a tab in a window, Prevents you from changing tabs in a window. Useful if you need to provide undivided attention to something. 2. Limit total tab count, maybe if you get distracted easily by opening too many tabs and are a bad multitasker. 3. Restrict ability to visit certain sites, Automatically closes tabs that visit restricted URL's.
Does a similar job
all alternatives →
Stay Focused Chrome Extension2020 · chromewebstore.google.com · ▲72Block distracting websites to help you focus on you work.
Enhance2025 · nonchalantowo.github.io · ▲108Turn your new tab into a daily boost of calm + productivity.


Focus ModeMay 2026 · chromewebstore.google.com · ▲11Hide tabs, the address bar, and bookmarks for total focus

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