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SwiftTools

Image Resizer

Free image resizer. Resize photos to exact pixel dimensions or percentages, with aspect-ratio lock. Private and instant.

Resizing runs locally in your browser. Your image never leaves your device.

About Image Resizer

Resize any image to exact pixels or a percentage. Lock the aspect ratio to avoid stretching, preview the result, and download it - all on your device, no server.

How to use it

  1. 1Choose an image.
  2. 2Set target width and height, or a percentage.
  3. 3Keep or break the aspect ratio.
  4. 4Click Resize and download.

Examples

Web hero

Input
4000x3000 photo
Result
1920x1440

Thumbnail

Input
800x600
Result
128x96

Frequently asked questions

Can I upscale?

Yes - though it will not add real detail.

Does it keep aspect ratio by default?

Yes - ratio lock is on unless you switch it off.

Is the image uploaded?

No - resizing is fully local.

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