Image Resizer: Free Social Media Image Sizes

Free Tools › Image Resizer

Get the exact size every platform wants, with fill, fit or stretch, and a quality slider to keep files light.

  • ✓ Runs in your browser: your files are never uploaded
  • ✓ 10+ presets
  • ✓ JPG, PNG, WebP
Drop an image here or tap to choose

How to use the Image Resizer

  1. Choose an image.
  2. Pick a preset such as YouTube thumbnail 1280 x 720, or type a custom size.
  3. Choose fill or fit, the format and quality, then tap Download.

"Fill and crop" fills the frame with no bars. "Fit inside" keeps the whole image and adds your background colour.

Frequently asked questions

What size is a YouTube thumbnail?

1280 x 720 pixels (16:9).

What size are Reels, TikTok and Shorts?

1080 x 1920 pixels (9:16).

Which format is smallest?

WebP is usually smallest; JPG is the safest for every site.

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Made by Eseries Now

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