Image Resizer

Resize images to exact pixel dimensions with optional aspect-ratio lock.

Image Resizer — Set a target width and height in pixels and the resizer scales your image using the browser’s high-quality smoothing. Lock the aspect ratio to avoid distortion, or unlock it for exact dimensions.

Your image is resized locally in your browser and never uploaded.

Was Image Resizer useful?

What is image resizer?

Set a target width and height in pixels and the resizer scales your image using the browser’s high-quality smoothing. Lock the aspect ratio to avoid distortion, or unlock it for exact dimensions.

Output is PNG, so resized graphics stay crisp with no added compression artifacts.

How to use it

Choose an image

The current dimensions are shown.
Set width or height

With the lock on, the other axis follows automatically.
Resize and download

The result is a PNG at your exact dimensions.

常见问题

Can I enlarge an image?

What format is the output?

Does resizing change the file size?

Comparison: this tool vs the alternatives

Uttir Image Resizer vs ILoveIMG

Feature	Uttir	ILoveIMG
No upload to a server	✓	✗
No signup	✓	✗
No daily limit	✓	✗
Aspect ratio lock	✓	✓
Resize by exact pixel dimensions	✓	✓
Output as PNG (lossless)	✓	✗

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