LockIn – Study-Only YouTube Extension

by Kreative Lab · Tools

Manifest V3 Free

View in Chrome Web Store Data as of 20 Oct 2026

Blocks distracting YouTube content and allows only study-related videos to help you stay focused.

Users

+8 in 30 days

Rating

5.0 / 5

unchanged in 30 days

Ratings

0 in 30 days

Store rank

#127K

#106K among extensions

Version

1.0.3

updated 14 Jan 2026

Users

monthly, 9 months

Latest, 20 Oct 2026: 33 usersMove the mouse over the chart for any month

Ratings count

monthly, 9 months

Latest, 20 Oct 2026: 2 ratingsMove the mouse over the chart for any month

The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.

About LockIn – Study-Only YouTube Extension

LockIn is a focus-first Chrome extension designed to help you study on YouTube without distractions. When you open YouTube to learn something, it’s easy to get pulled into music, shorts, or random recommendations. LockIn solves this by intelligently filtering content so you can stay focused. What LockIn does: • Allows only study-related and educational YouTube videos • Blocks entertainment, music, and distracting content • Offers three focus modes: Strict, Normal, and Lenient • Blocks YouTube Shorts (optional) • Supports Whitelist and Blocklist for full control • Works fully offline • No ads, no tracking, no data collection LockIn runs entirely on your device and never sends your data anywhere. Built for students, developers, exam aspirants, and anyone who wants to use YouTube as a learning tool — without losing focus.