Cuescribe
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YouTube thumbnail resizer

Drop any image (a design, a photo, a screenshot) and get a thumbnail YouTube accepts: the right shape and size for a video, a Short or a podcast, filled with a crop you place or shown whole over a blurred copy, saved as JPG or PNG under 2 MB so it uploads from your phone too. Your image is checked against YouTube's rules first.

How to use it

  1. Drop the imageA design, a photo, a screenshot, or paste one with Ctrl+V.
  2. Read the checkSize, shape, format and file size against YouTube's rules.
  3. Pick size and fitVideo, Short or podcast; fill with a crop you place, or the whole picture over a blur.
  4. DownloadJPG under 2 MB for the phone app, or PNG.

What you can download here

  • JPGquality lowered only as much as the size limit needs
  • PNGlossless, for flat graphics and text
Free Chrome extension

Cuescribe for Chrome

A transcript side panel on every YouTube and TikTok video, a library of everything you transcribe, and one click to open any of it in these tools.

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Pro · early access

Pro keeps this free

Every tool stays free. Pro (early access, $9/month) adds batch delivery with client presets and file naming, editor timelines, multi-camera sync and the extension's Pro features. Early subscribers keep their price and choose what gets built next.

What Pro includes

Next steps

Thumbnail frame pickerSharpest frames from a video, previewed at YouTube sizes.YouTube chaptersChapter timestamps at natural pauses, checked against YouTube rules.Vertical to horizontal videoPhone clip to 16:9: blurred background or a crop you place.Filler word removerUm, uh, false starts and repeats cut; keeps your last take.Silence removerCut dead air; get the tightened video, an EDL or a WAV.Auto-reframe to vertical16:9 → 9:16 with a crop that follows the face.

All 61 free tools →

Questions

What size is a YouTube thumbnail in 2026?

YouTube's help page recommends 3840×2160 pixels for videos (16:9) and 2160×3840 for Shorts (9:16), at least 640 px on the short side, as JPG or PNG. Podcast playlists use a square 1:1 image.

Why does YouTube say my thumbnail is too big?

The YouTube app on a phone takes thumbnails up to 2 MB (10 MB for podcasts); on a computer the limit is 50 MB. Keep "Keep under 2 MB" selected and the JPG quality is lowered just enough to fit.

My image is the wrong shape. Will it be stretched?

Never. Fill crops it to the new shape (slide to choose what stays), and "Whole picture, blurred background" keeps all of it over a soft blurred copy of itself.

Is my image uploaded?

No. It is resized in your browser and saved straight to your device.