Free · No signup

Score any YouTube thumbnail in seconds.

Paste a YouTube URL or drop in an image. Five dimensions scored instantly — contrast, focal clarity, mobile legibility, colour, and text headroom. Find out what is hurting your click-through rate before you upload.

Or · drag and drop also works

Image stays in your browser. Nothing is uploaded.

Why creators are checking thumbnails here

Instant

No login, no card, no waiting. Paste a URL or drop an image and the score appears in under a second.

Five dimensions

Contrast, focal clarity, mobile legibility, colour discipline, and text headroom — each scored separately so you know what to fix.

Private

The thumbnail image and any YouTube URL you paste never leave your browser and are not stored by SRGE.

Go from score to fix

Got a low score? Turn the feedback into a stronger thumbnail.

Start with 50 free credits for five thumbnails, plus one free Visual Identity and one free Style Profile. No card required.

FAQ

How does the score work?
The analyser uses canvas-based image analysis to measure five things that correlate with real-world click-through-rate: contrast between subject and background, focal-point clarity, how well the thumbnail survives mobile-feed sizing, colour palette discipline, and text/edge density. Each dimension is scored 0-100, weighted, and combined into an overall score.
Is anything sent to your servers?
The thumbnail image and any YouTube URL you paste stay in your browser and are not uploaded or stored by SRGE. Ordinary page-visit analytics may still record that the scorer page was opened, but they do not include your image or pasted URL.
Does the score predict CTR exactly?
Nothing predicts CTR exactly — that depends on title, niche, audience, and luck. The score is a diagnostic tool, not an oracle. It flags the design fundamentals that consistently correlate with CTR, so you can fix the obvious problems before publishing. Real testing on YouTube Studio is the final word.
Why is it free?
We built SRGE to generate and improve thumbnails. The scorer is a free taste of what the full tool does — you can score any thumbnail here for free, and if you want to actually fix what the score flagged, the full SRGE workflow (generate variants, pin-edit, apply a Style Profile, push to YouTube) is what we charge for.
Can I score thumbnails from any video?
Yes. Any public YouTube URL works — paste a regular watch URL, a Shorts URL, a youtu.be short link, or even just the 11-character video ID. For non-YouTube thumbnails or your own designs, drop the image file directly into the upload box.