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Test and Preview YouTube thumbnails before publishing. Ensure your thumbnails stand out in the YouTube feed.
Latest Version
Version
1.0.2
Update
July 29, 2024
Size
592KiB
Developer
preview-test-thumbnails.vercel.app
Category
Users
38 
Rating
5 ★
Manifest Version
3
Web Store Status
Extension ID
Languages Support
Permissions
Storage
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Preview Test Thumbnails Extension
Perfect for YouTube creators and thumbnail designers who want to ensure their thumbnails are eye-catching and effective.
Key features:
- Analyze thumbnail visibility
- Check text readability
- Verify character prominence
- Test before publishing
Improve your click-through rates with this simple, user-friendly tool. Make sure your thumbnails stand out in search results and suggested videos.
Essential for:
- YouTube creators
- Thumbnail designers
- Content marketers
- Anyone who wants to boost video performance
Try Preview Test Thumbnails today and take the guesswork out of your YouTube thumbnail design!
Read more
Key features:
- Analyze thumbnail visibility
- Check text readability
- Verify character prominence
- Test before publishing
Improve your click-through rates with this simple, user-friendly tool. Make sure your thumbnails stand out in search results and suggested videos.
Essential for:
- YouTube creators
- Thumbnail designers
- Content marketers
- Anyone who wants to boost video performance
Try Preview Test Thumbnails today and take the guesswork out of your YouTube thumbnail design!
Source Manifest.json
{"update_url": "https://clients2.google.com/service/update2/crx", "manifest_version": 3, "default_locale": "en", "name": "Preview Test Thumbnails", "version": "1.0.2", "description": "Test and Preview YouTube thumbnails before publishing. Ensure your thumbnails stand out in the YouTube feed.", "permissions": [ "storage" ], "background": { "service_worker": "background.iife.js", "type": "module" }, "icons": { "128": "icon-128.png" }, "content_scripts": [ { "matches": [ "https://www.youtube.com/*" ], "js": [ "content-ui/index.iife.js" ] }, { "matches": [ "https://www.youtube.com/*" ], "css": [ "content.css" ] } ], "web_accessible_resources": [ { "resources": [ "*.js", "*.css", "*.svg", "icon-128.png", "icon-34.png" ], "matches": [ "*://*/*" ] } ], "content_security_policy": { "extension_pages": "default-src 'self'; connect-src 'self' http://127.0.0.1:54321 https://* data: blob: filesystem:;" }}
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