Your thumbnail is your pitch.
Make it count.
Every video you publish gets one chance to earn a click. These tools help you make a stronger thumbnail and title. Connect YouTube, and the audit shows each video's real impressions and click-through rate.
Check it before you publish.
- Thumbnail size checkerThe current size, ratio and file limits, checked against YouTube Help. Drop your image to see what passes.Check my size →
- Thumbnail resizerCrop or fit any image to 16:9 and export a JPG or PNG that fits YouTube’s size limit.Open the resizer →
- Thumbnail previewSee your thumbnail and title in the home feed, search, up next and on mobile, next to other videos.Preview mine →
- Thumbnail testerCompare 2–3 variants side by side: feed, squint, grayscale, tiny size and under the duration badge.Compare variants →
- Title checkerCheck a title against the 100-character limit and see where it gets cut on desktop, mobile and search.Check a title →
- Video to thumbnailPick the sharpest frame from your own video and export it as a thumbnail.Grab a frame →
Free, no account. Everything runs in your browser; your files are never uploaded.
See how your thumbnails
and titles read.
Run a free audit of your channel's packaging: your thumbnails and titles, together. You get a written critique tied to evidence in your own videos, not a number out of 100.
Connect YouTube and the audit also shows each video's real impressions and real click-through rate, straight from YouTube.
Run the free audit →- 01The title repeats the thumbnail
Both say "5 tools". The title has room to add what the image cannot: who it is for, or what they will get.
Evidence"5 tools every developer needs in 2026"
- 02The text is too small for a phone
At feed size the last words fade into the background. Fewer words in larger type will read at a glance.
Evidence"How I edit a full video in 30 minutes"
- 03Recent uploads all look the same
A recognisable style helps viewers find you. When the layout never changes, videos blur together in the feed.
EvidencePattern across the last uploads
Thumbnails in
your channel's style.
Paste a video link or describe the idea. The Studio makes 3 thumbnail variants for that video, using your saved brand kit and your own face.
Not quite right? Change it with one sentence, like “warmer light, more steam.” You stay in control of the final image.
Generate thumbnails →
Warm café light · Yellow apron in frame · Five words of title at most
3 variants for one video
One-sentence edit
“Warmer light, more steam”
The best creators don't guess.
They measure.
Audit your thumbnails and titles for free. Make new thumbnails in your own style. Connect YouTube to see each video's real impressions and click-through rate.