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YouTube thumbnail feed preview

Check that your thumbnail and title read at the size viewers actually see them, before you publish.

Free · No sign-up · Runs entirely in your browser

Add a thumbnail to preview it. The image stays in your browser.

How to test a thumbnail

  1. 1Add your thumbnail image and your title.
  2. 2Look at the phone feed first: it's the smallest and most common view.
  3. 3Switch to dark mode, then fix anything that disappears or can't be read.

FAQ

Straight answers

Is my thumbnail uploaded anywhere?

No. The image is read by your browser and shown on this page only. Nothing is sent to Unfaced or anywhere else.

Is this tool free and private?

Yes. The tool runs in your browser. Inputs are not sent to Unfaced, stored, or charged for.

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