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SwiftTools

Image Compressor

Free image compressor. Shrink JPG and PNG file sizes in your browser with a quality slider. No uploads, no watermarks.

Images are compressed locally in your browser with canvas encoding. Nothing is uploaded.

About Image Compressor

Reduce image file size for faster uploads, smaller emails and lighter web pages. Drag an image in, set the quality, and download a smaller version - nothing leaves your device.

How to use it

  1. 1Choose an image to compress.
  2. 2Pick the output quality.
  3. 3Click Compress and compare sizes.
  4. 4Download the optimized image.

Examples

Photo

Input
6.2 MB JPG
Result
often 1-3 MB at 80%

Screenshot

Input
1.8 MB PNG
Result
smaller at target quality

Frequently asked questions

Does it lose quality?

Lower quality means smaller files; the preview helps you pick a balance.

What formats are supported?

JPG and PNG inputs; output is JPG.

Is the image uploaded?

No - compression runs fully in your browser.

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