DocuSizer

Free Online Image Compressor

Reduce your image file size instantly without uploading to any server. Our browser-based compressor supports JPG, PNG, and WEBP formats and can compress multiple images at once.

🔒100% private. All processing happens in your browser. Your images are never uploaded to any server.

How to Use Image Compressor

  1. 1

    Upload your image(s) - drag and drop or click to browse.

  2. 2

    Set a target size in KB or choose a quality level.

  3. 3

    Click "Compress" and download the result.

Frequently Asked Questions

Is my image safe?

Yes. All processing happens entirely in your browser. Your images are never sent to any server.

What formats are supported?

JPG, JPEG, PNG, and WEBP.

Can I compress multiple images?

Yes, you can compress up to 10 images at once.

Will the quality suffer?

Our algorithm optimally balances size vs quality. For most use cases, the difference is invisible.

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