Image Resizer

Resize images by exact dimensions or a percentage, ready for web uploads and email.

Choose an image to resize

PNG · JPG · WEBP · GIF — up to 25 MB

Local resizing

Resize by percentage or exact width, keep the aspect ratio, and export as JPG, WEBP, or PNG — all in your browser.

How to Resize an Image

1
Choose an image file
2
Pick percentage or exact width
3
Select output format and quality
4
Download the resized file

Key Features

Percentage scaling

Shrink or enlarge from 10% to 100% in 5% steps.

Exact width

Enter a pixel width; height follows the aspect ratio.

Three formats

JPG, WEBP, or lossless PNG output.

High-quality resampling

Canvas high-quality smoothing keeps edges clean.

Full preview

See the resized result with dimensions before downloading.

Private by design

No upload, no account, no server-side processing.

Privacy and Limitations

Image Resizer processes files entirely in your browser. Inputs up to 25 MB and about 60 megapixels are supported. Only downscaling keeps quality predictable; upscaling beyond the original resolution adds no real detail.

Resized and ready to share? Host the image with Image to URL and you'll get a permanent CDN link plus Markdown and HTML.

Frequently Asked Questions

Is the Image Resizer free?

Yes. Resizing happens locally in the browser with the Canvas API, so there are no quotas or account requirements.

Are my images uploaded?

No. The image never leaves your device. Photo2URL does not upload, receive, or store files processed by this tool.

Can I choose exact dimensions?

Yes. Use exact width mode to enter a target width in pixels; the height is calculated automatically to preserve the aspect ratio.

Which output formats are available?

JPG, WEBP, and PNG. JPG and WEBP include a quality slider; PNG output is lossless.

Will resizing reduce file size too?

Usually yes, because there are fewer pixels to store. For extra savings on the same dimensions, use the Image Compressor after resizing.

What is the size limit?

Input files up to 25 MB are accepted, with a processing ceiling of about 60 megapixels to protect browser memory.