Audit

Judged at grid size

A cover frame is picked on a full-screen editor and viewed as a thumbnail roughly the size of a postage stamp, which is why so many of them are unreadable in the only place they matter.

Preview

Not interactive yet

Your cover

frame at 0:02 with three lines of overlay text

At real size
  • Grid tile: text unreadable
  • Search result: face not identifiable
  • Suggested: 3 words, high contrast

Three steps

How it will work

  1. View it small

    Shrink it to grid size. If you cannot read it there, nobody can read it anywhere it appears.

  2. Count the words

    Three or four is the working limit on a cover. Anything more becomes texture.

  3. Check the crop

    Profile grids crop to square, feeds do not. A cover composed for one is often cut apart by the other.

What it is for

Why this one is worth having

  • The grid is where covers matter

    A cover frame does almost nothing in the feed, where the video autoplays. It does everything on your profile, in search, and on browse surfaces.

  • Contrast beats detail

    At thumbnail size only the large shapes survive. A beautifully composed frame with subtle tones reads as a grey square.

  • Square crop is not optional

    Profile grids are square on all three platforms. A cover whose text sits in the vertical extremes loses it entirely.

Available now

What you can already do

Safe zones and crop behaviour are the same problem in a different place, and the safe zone checker covers where the platform chrome lands.

Safe zone checker

FAQ

Thumbnail tester, asked and answered

Do cover frames affect reach?

Not in the feed. They affect profile conversion and search click-through, which are the surfaces where someone is choosing between videos rather than being served one.

Should the cover have text?

On the profile grid it usually helps, because it turns a wall of similar frames into a scannable list. Keep it to three or four words.

Can I change a cover after posting?

On most platforms yes, and it is worth doing for anything that is still getting search traffic months later.

More tools

The free tools that work.

The product is further along than the tools

Ten free videos, no watermark, and no card to start.