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How it works
How it works
Our thumbnail generator is trained on thousands of high-performing YouTube thumbnails.
Upload or paste your thumbnail
Opens on a canvas at the exact size YouTube wants, 1280 x 720.
Edit with the safe area shown
The duration stamp sits bottom right, so keep anything important clear of that corner.
Save it and swap it in Studio
Replacing a thumbnail does not reset views or comments, however old the video is.
Built for creators
What actually works
Built by creators, for creators. Every feature designed to help you grow.
Your video needs a verified account for custom thumbnails
If the upload option is missing, that is almost always why. Verify the account and it appears.
1280 x 720 pixels, 16:9, under 2MB,
in JPG, PNG, GIF or WEBP.
Keep important detail away from the bottom right corner
The video duration sits there in most YouTube surfaces and will cover whatever is underneath it.
One focal point
If a viewer has to work out where to look, you have already lost them. Every element that is not the focal point should be quieter than it.
Text that adds, never repeats
If the words say what the picture already says, delete them. Good thumbnail text adds a stake, a number or a tension the image cannot carry on its own.
Three to five words maximum
The thumbnail is seen at around 168 pixels wide on a phone. Long text at that size is a grey smudge.
Contrast between subject and background
The most common fix in the whole discipline: separate the subject from what is behind it, with light, colour or a cut-out edge.
Check it small before you upload
Shrink to 320 x 180 and look. If it does not survive, the edit is not finished.
Frequently asked questions
Everything you need to know about our tools.
Open YouTube Studio, click Content, select the video, click the current thumbnail under the preview, then Upload file and Save. The change is usually live within a few minutes. It does not reset the video, delete views or affect comments, however old the video is.
Custom thumbnails require a verified account. If the upload option is missing entirely, that is almost always the reason. Verify the account in YouTube settings and the option appears.
Often yes, and it is one of the most underrated moves available to a small channel. A video that underperformed with weak packaging is not dead. Change one thing at a time and give it two weeks, because swapping the thumbnail and title together tells you nothing about which one moved.
1280 x 720 pixels, 16:9, under 2MB. Design at that size from the beginning rather than resizing at the end. Keep important detail out of the bottom right corner, because the video duration sits there in most YouTube surfaces and will cover whatever is underneath.
Three to five words at most. The thumbnail is seen at around 168 pixels wide on a phone, and longer text at that size becomes a grey smudge. Good thumbnail text adds a stake, a number or a tension the image cannot carry on its own.
Yes, with a paid 1of10 plan. There is no export limit and no watermark. The free plan still gives you outlier search across 62 billion analysed YouTube views and three tracked channels, so you can test the research side before paying for anything.
Not checking it small. Shrink to 320 x 180 and look before you upload. If the subject is not instantly readable at that size, the edit is not finished, no matter how good it looks on a full monitor.
Editing is where a good idea gets executed well. It is not where a weak idea gets rescued. If the concept does not work, no amount of editing will fix it, which is why it pays to start from something that already performed in your niche.
Find What Already Overperformed
Free plan, outlier search and three tracked channels, no card. See the videos in your niche beating their own channel average by 10x to 100x.
No credit card required