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Image Compressor

Shrink JPG and WebP files with a quality slider. Runs entirely in your browser, nothing is uploaded.

  • Free, no account
  • Runs in your browser
  • Nothing is uploaded
Smallest fileBest quality

Drop images here or click to upload

Supports JPG, PNG, WebP — processed in your browser

How to use the image compressor

  1. 01

    Add images

    Drop one or more JPG, PNG or WebP files onto the box, or click to choose them.

  2. 02

    Set the quality

    Move the slider. Lower quality means a smaller file; 70% is a good starting point for photos.

  3. 03

    Download

    Check the before and after sizes, then download each file or all of them.

About the image compressor

Reduce image file sizes with a free online image compressor. Pick a quality level between 10% and 100%, drop in one or several images, and the tool re-encodes them in your browser and shows the size before and after. JPG and WebP shrink the most; PNG is lossless, so for big PNG savings convert it to WebP or JPG with the image converter. No uploads to any server: your images stay on your device.

Image Compressor FAQ

How does the image compressor work?

It draws your image onto an HTML5 canvas and re-encodes it at the quality you choose. Everything runs in your browser, so the image is never uploaded to a server.

What formats are supported?

JPG/JPEG, PNG and WebP, plus anything else your browser can open (it is saved as JPG). The output keeps the input format. Quality only affects JPG and WebP; PNG is lossless, so PNG files barely shrink and can even grow. Convert PNG to WebP for real savings.

How much can I compress my images?

It depends on the image. Large camera JPGs often shrink by half or more at 60 to 70% quality; files that are already optimized shrink less. The tool shows the exact size before and after, so you can adjust the slider and re-compress.

Can I compress several images at once?

Yes. Select or drop multiple files; each is compressed with the same quality setting, and Download All saves them one by one.

Is there a file size limit?

There is no set limit. Because processing happens on your device, very large images depend on your browser's memory; phones may struggle with very high-resolution files.

Are my images safe?

Yes. Files never leave your device and we never see them. Re-encoding also drops embedded metadata such as EXIF camera and location data.

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