How many words should a thumbnail have?

As few as it takes to be read at the smallest size: often three to five.

What size should a YouTube thumbnail be?

16:9; 1280 by 720 pixels is the common size.

Does it add the text to my picture?

No, it's a preview to decide the words and size.

Free tool

Thumbnail text tester

FrameCutter's free thumbnail text tester puts your text on your picture and shows it at a large, a grid and a small sidebar size, so you can check it's readable before you post.

Text Size Place

If you can't read it at the smallest size, use fewer words or bigger letters.

Last updated 23 October 2026

Three real sizes

Large, in a grid, and small in a sidebar.

Your picture

Nothing uploaded.

Quick decisions

Fewer words or bigger letters, at a glance.

Questions

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