Free browser tool

Image Resizer & Compressor

Resize, compress and compare your images without uploading them. Everything is processed locally in your browser.

Drop an image here or click to choose a JPG, PNG, WebP, GIF or BMP image Choose image

Preview

Before

After

Compression

0% · least compression90% · strongest

Compression controls output quality. The actual size reduction depends on the image, dimensions and output format.

Resize

Width Height

Keep aspect ratio

Scale

Output

Format

Private by design

Your image is processed locally with the browser Canvas API. Nothing is uploaded to this website.

Result

Before vs. after

Original size

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Output size

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Actual reduction

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About this tool

Resize and compress images without uploading them.

This image resizer uses standard browser APIs to load, resize and encode your image locally. You can change dimensions, preserve the aspect ratio, choose JPG, PNG or WebP output, and compare the original with the processed result before downloading.

100% client-side

Images stay in your browser while you work.

Live comparison

See original and processed images side by side.

Flexible output

Resize dimensions and choose a common web image format.