PreWatchr for YouTube Firefox

PreWatchr for YouTube

Get instant summaries of any YouTube video before opening it and decide if it's worth watching in seconds.

Features & Capabilities

Do not waste your time on videos you even won't finish. Get instant summaries of any YouTube video before opening it and decide if it's worth watching in seconds.

✨ The Problem We Solve Ever clicked a 20-minute video only to realize after 5 minutes it's not what you needed? Never again. PreWatchr lets you preview any video's content before you commit to watching.

🎯 Key Benefits

Preview Before Watching: See what's in a video without opening it Save Hours: Skip videos that aren't relevant - know the content instantly One-Click Summaries: Press Ctrl+Shift+X (or Control+Shift+X on Mac) and click any thumbnail Instant Results: Get summaries instantly, not 10-15 minutes Smart Decisions: Watch only videos worth your time

🚀 How to Use

Browse YouTube normally (homepage, search, playlists) Press Ctrl+Shift+X (Windows/Linux) or Control+Shift+X (Mac) Click any video thumbnail (DON'T open the video!) Get instant summary showing: Main topic Key points Conclusion

💡 Perfect For

Students: Quickly scan lecture videos for relevant content Professionals: Screen webinars and presentations before watching Researchers: Filter through dozens of videos in minutes Content Creators: Research competitors without watching hours of content Everyone: Stop wasting time on clickbait or irrelevant videos

📊 What You Get Every summary includes:

Main Topic: One-sentence overview Key Points: 3-4 most important takeaways Conclusion: Quick wrap-up Copy Button: Save summaries for later

Plus track your progress:

Total summaries generated

⚡ Real-World Examples Before PreWatchr:

See interesting title → Click video → Watch 5 minutes → Realize it's not helpful → Wasted 5 minutes

With PreWatchr:

See interesting title → Press Ctrl+Shift+X → Click thumbnail → Read 15-second summary → Skip if not relevant Time saved: 4 minutes 45 seconds per video

🔒 Privacy First

No account required No data collection Statistics stored locally only Secure HTTPS connections

📝 Technical Note Requires videos to have captions/subtitles enabled (most videos do). Videos without captions cannot be summarized.

🆘 Support

Having issues? Contact us at: juraj.seba@gmail.com

📜 Privacy Policy

View our full privacy policy at: https://jucofuco.github.io/prewatchr/privacy.html

User Growth & Download Statistics

Manifest V3 Add-on
By:
jucofuco
Daily users:
6 2
Rating:
5.00
(2)
Version:
1.3.0 Last updated: 2026-04-10
Version code:
6215302
Creation date:
2025-12-09
Risk:
Moderate risk impact Moderate risk likelihood
Permissions:
Host permissions:
  • https://youtube-summarize-65h8.onrender.com/*
Content scripts matches:
  • *.youtube.com
Size:
42.16KB
Email:
ju*****@gmail.com
URLs:
Privacy policy
Full description:
See detailed description
Source:
Firefox Add-ons Store
Data ingested on:
2026-06-20
Compare stats and ranking:

Contact the developer

Chrome-Stats does not own this Firefox add-on. Please use these information below to contact the Firefox add-on developer.
Developed by:
jucofuco
Firefox Add-ons Store
https://addons.mozilla.org/firefox/addon/prewatchr-for-youtube/
Email:
ju*****@gmail.com

User Reviews

nice extension, it is really helpful on everyday basis, especially while writing my thesis.
by na*****, 2026-04-08
View all user reviews ›

Is PreWatchr for YouTube Safe?

Risk impact
Risk impact measures the level of extra permissions an extension has access to. A low risk impact extension cannot do much harms, whereas a high risk impact extension can do a lot of damage like stealing your password, bypassing your security settings, and accessing your personal data. High risk impact extensions are not necessarily malicious. However, if they do turn malicious, they can be very harmful.

PreWatchr for YouTube requires a few sensitive permissions. Exercise caution before installing.

Risk impact analysis details
  • Critical Request access to the following domains: youtube.com, onrender.com
  • High ******* ******* **** *** ****** ***** *** ***** ** ******* **** ********* ********* ** * *********** *****
Risk likelihood
Risk likelihood measures the probability that a Firefox add-on may turn malicious. This is determined by the publisher and the Firefox add-on reputation on Firefox Add-ons Store, the amount of time the Firefox add-on has been around, and other signals about the Firefox add-on. Our algorithms are not perfect, and are subject to change as we discover new ways to detect malicious extensions. We recommend that you always exercise caution when installing a Firefox add-on.

PreWatchr for YouTube is probably trust-worthy. Prefer other publishers if available. Exercise caution when installing this add-on.

Risk likelihood analysis details
  • High This extension has low user count. Unpopular extensions may not be stable or safe.
  • Medium **** ********* *** ******* ** *** **** * ******* *** ******* *** *** ** ****** ** *****
  • Low **** ********* *** ***** **** **** * ****** **** ***** ********** *** **** ****** ** ** ****** *** *****
  • Good **** ********* *** **** **** *******
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