Resize an image for YouTube

Thumbnail (1280 × 720), Channel banner (2560 × 1440).

Runs on your device. Your files are never stored.

Short answer

To resize an image for YouTube, add it to FileFleet, pick thumbnail or channel banner, and download it at exactly that size. Fill crops neatly to the shape; Fit keeps the whole picture on a background. Nothing is uploaded.

Price
Free
Account
None needed
Your files
Never stored
Limits
No daily limit, no watermark
You get
JPG at the exact YouTube size
Works on
Phones and computers

How to resize an image for YouTube

  1. 1Add your images.
  2. 2Pick the YouTube format.
  3. 3Download at the exact size.

Guides that use this tool

Questions

Do my files get uploaded?

No. FileFleet runs entirely in your browser, so your files never leave your device. Close the tab and they're gone.

Is it really free?

Yes. No account, no daily limits and no watermark on your files.

What size is thumbnail on YouTube?

1280 × 720 pixels, the recommended size as of November 2026. For the channel banner, keep text and faces inside the middle 1546 × 423, the part every screen shows.

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