What formats can I upload?

You can use JPG, PNG, or WebP input. The result downloads as JPG for reliable target-size compression.

No. Compression happens locally in your browser.

Why does the output become JPG?

JPEG quality control is the most reliable browser-native way to approach an exact KB target.

Exact KB

Choose a target size and compress one image as close as possible without uploading it.

Pass upload limits

Hit an exact target like 100KB or 200KB precisely.

Attachment-ready

Fit email and forum size caps without guessing.

Input

Drop an image here

Supports JPG, PNG, and WebP input

Target Size

The tool tries quality first, then reduces dimensions only if needed.

For reliable exact-KB output, the result downloads as JPG.

Output

Ready

Your compressed image will appear here.

Browser WorkspaceReady

How it works

Generate all favicon sizes for your website from a single image

Resize images to exact dimensions or percentages

Compress images while maintaining quality

Convert images to Base64 strings for embedding