PrevYou — YouTube Thumbnail Previewer

Preview your video thumbnail and title on YouTube home page or subscription feed.

PrevYou is a Chrome extension designed for YouTubers to preview their upcoming video thumbnails and titles directly on a simulated YouTube homepage or subscription feed. Instead of cumbersome methods like screenshotting and editing thumbnails manually, users simply upload their thumbnail image and input the title to instantly see how their video will appear among others.

Features include the ability to randomly place the thumbnail on the homepage for a realistic preview, a sleek dark mode, no login or credential requirements ensuring privacy, and the convenience of remembering your last submission. Being an open source project developed collaboratively by creators during Twitch streams, PrevYou invites contributions and new feature requests, aiming to empower content creators with a practical tool for optimizing their video presentation before publishing.

By:
Benjamin Code
Users:
5,000
Rating:
4.84
(44)
1 new ratings
Version:
1.6 Last updated: 2025-03-19
Creation date:
2021-04-09
Risk:
Very low risk impact Low risk likelihood
Permissions:
  • storage
  • activeTab
  • scripting
Size:
67.19KB
Email:
b1*****@gmail.com
Full description:
See detailed description
Source:
Chrome Web Store
Updated:
a day ago

Other platforms

User reviews

PrevYou is highly regarded for its practicality, efficiency, good UI/UX, and time-saving features when creating YouTube thumbnails. However, multiple users reported issues with the profile picture or channel logo not updating correctly in the preview, and one noted a problem launching the extension. Despite minor flaws, users consistently praise its usefulness and ease of use.
Pros
  • Very useful and practical tool for YouTube creators to preview thumbnails quickly.
  • User interface and experience are very good and visually appealing.
  • Saves time compared to manually creating and checking thumbnails.
  • Highly praised for being efficient and effective, even appreciated by users skilled in graphic design.
  • Positive overall user sentiment with multiple mentions of it being amazing and well done.
Cons
  • Profile picture or channel logo does not update correctly when adding a custom image.
  • Some users experience issues with the channel logo not showing up in the preview, showing the original video's logo instead.
  • One user mentioned the extension not launching when clicked after installation.
Recent reviews
works great, but as others have said, the profile picture does not currently update correctly. Everything else works and the UI and UX are very good
by st*****, 2025-02-24

Awesome extension, only flaw is that the profile picture doesn't get updated when adding a custom image for it.
by Ca*****, 2024-11-30

I love the tool but my channel logo is not showing up on the preview, it just shows the one for the original video. How can i fix this? or is it a problem with the tool?
by Ki*****, 2024-08-27
View all user reviews ›

Extension safety

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.

PrevYou — YouTube Thumbnail Previewer does not require any sensitive permissions.

Risk impact analysis details
    Risk likelihood
    Risk likelihood measures the probability that a Chrome extension may turn malicious. This is determined by the publisher and the Chrome extension reputation on Chrome Web Store, the amount of time the Chrome extension has been around, and other signals about the Chrome extension. 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 Chrome extension.

    PrevYou — YouTube Thumbnail Previewer has earned a fairly good reputation and likely can be trusted.

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