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Preview your YouTube thumbnail in context before you publish.

Upload thumbnail variants, see them in a realistic YouTube-style feed, and share a voting link to pick the strongest version. Built for pre-publish decisions, not overclaimed statistical testing.

Test a thumbnailSee examples

Preview in context

Judge thumbnails at realistic feed size with title truncation, metadata, and competing-looking cards.

Share a vote link

Send options to clients, teammates, Discord communities, or trusted viewers before publishing.

Pick the strongest version

See votes, percentages, comments, and a current winner without pretending it is official split testing.

Creator thumbnail testing workspace

Thumbnail mockup tool

Find the click before the upload.

How it works

A fast pre-publish loop

1

Upload 2-4 thumbnail variants

2

Preview desktop and mobile feed contexts

3

Share a voting link and review results

Create test

Thumbnail mockup

Competitors: YouTube growth
Search results for thumbnail strategy
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A/B Room

Judged beside competing packaging at real feed scale.

Pricing teaser

Free to start, paid plans ready for launch.

Use the local MVP without payment. Pricing surfaces support credits, Pro, and an optional founding creator Payment Link.

View pricing

FAQ

Is this official YouTube A/B testing?

No. ThumbBattle is for pre-publish previewing and voting. It does not split real YouTube traffic or modify live videos.

Do I need a YouTube API key?

No. The core flow uses mock competitor/feed data. A YouTube API key can be added later for optional competitor lookup.

Do voters need accounts?

No. Public voting links work without login, with simple localStorage duplicate-vote prevention.