Thumbnail Preview - YouTube Thumbnail Testing
Chrome extension by Thumbnail Preview · Productivity · Tools
- Featured
- Established publisher
A Chrome extension in Productivity · Tools with 954 users, barely installed. Audience over the last 30 days: -45.
Specific sites only: 1 match pattern.
What the developer says, and 4 screenshots
Loading from the Chrome Web Store. Open the listing if it does not appear.
- Users
- 954
- Users, last 30 days
- -45
- Rating, last 30 days
- Steady over 30 days
- Version
- 2.4.1
- Updated in the store
- 2026-01-22
- Published
- 2024-10-22
- Manifest
- V3
- Browser access
- 2 permissions, 1 site pattern
How it has moved
- 2026-10-041k
- 2026-10-081k
- 2026-10-28987
- 2026-10-29979
- 2026-10-30954
- 2026-10-31954
- 2026-10-04reviews11
- 2026-10-08reviews12
- 2026-10-28reviews12
- 2026-10-29reviews12
- 2026-10-30reviews12
- 2026-10-31reviews12
- 2026-09-01863
- 2026-09-02868
- 2026-09-04864
- 2026-09-06865
- 2026-09-07864
- 2026-09-08860
- 2026-09-09866
- 2026-09-10869
- 2026-09-13891
- 2026-09-15904
- 2026-09-17917
- 2026-09-20938
- 2026-09-21955
- 2026-09-25983
- 2026-09-26988
- 2026-09-28999
- 2026-10-041k
- 2026-10-081k
- 2026-10-28987
- 2026-10-29979
- 2026-10-30954
- 2026-10-31954
- 2026-09-01reviews11
- 2026-09-02reviews11
- 2026-09-04reviews11
- 2026-09-06reviews11
- 2026-09-07reviews11
- 2026-09-08reviews11
- 2026-09-09reviews11
- 2026-09-10reviews11
- 2026-09-13reviews11
- 2026-09-15reviews11
- 2026-09-17reviews11
- 2026-09-20reviews11
- 2026-09-21reviews11
- 2026-09-25reviews11
- 2026-09-26reviews11
- 2026-09-28reviews11
- 2026-10-04reviews11
- 2026-10-08reviews12
- 2026-10-28reviews12
- 2026-10-29reviews12
- 2026-10-30reviews12
- 2026-10-31reviews12
A dot marks a day the store showed a different number. Between them the line carries the last one forward: we read every listing up to 2 times a day and record a point only when something moves. History beyond ninety days is in the app.
What it can reach
Specific sites only: 1 match pattern.
https://*.youtube.com/*
-
Store data in your browser
storage -
Store data in your browser without the usual size limit
unlimitedStorage
What changed recently
Nothing has moved on this listing since we started watching it.
The publisher
Thumbnail Preview. Listed website: thumbnailpreview.io.
Like this one
Listings the catalog judges closest in what they say they do.
-
Thumbo Lens: Thumbnail Downloader & Preview Tester for YouTube 4 users
-
Pro Thumbnail Preview for YouTube 84 users
-
ThumbReplacer 23 users
-
YouTube Previewer 3 users (last published figure)
-
Upload Preview - FREE Youtube™ Titles & Thumbnails Preview 26 users
The top 5 only. The full comparison, with why each one is close, is on the alternatives page; ranking a whole neighbourhood by your own criteria is in the app.
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Verify that you are its author and you can show this mark on the card, with live banners for your site and README. How verification works
Connect it to Ext Ops Panel and see installs, uninstalls and uninstall reasons as events arrive, not as a weekly summary.
Add a badge to your README or site
The badge shows the audience and rating from our last pass over the store and links back to this page.
[](https://extops.dev/extensions/apfdgbdbhkmkmljbbbgcehbpjjojlnml)<a href="https://extops.dev/extensions/apfdgbdbhkmkmljbbbgcehbpjjojlnml"><img src="https://extops.dev/extensions/apfdgbdbhkmkmljbbbgcehbpjjojlnml/badge.svg" alt="Users and rating on Ext Ops Panel" height="20"></a>Figures come from our own regular passes over the public Chrome Web Store listing, last read on . The store last changed these figures on 2026-10-30. We publish no contact details for extension developers.