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Compress PNG Image

Drag & drop files here

or click to browse from your computer

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Processing file...

This may take a few seconds depending on document size.

How to use the Compress PNG Image tool:

  1. Select or drag your files into the upload dropzone container.
  2. Wait for the files to parse. A thumbnail preview or list item will appear instantly.
  3. Adjust settings in the right options panel (margins, orientation, quality, resizing etc.).
  4. Click the Process File action button to compile.
  5. The converted output will download automatically to your downloads directory.

Key Features

Color Depth Reduction

Applies visual pixel quantization to reduce color channels without removing transparency.

Safe In-Browser

Processes in-memory on your GPU. Keeps your personal files 100% confidential.

Size Optimization

Shrinks file bytes up to 70%, loading your websites and portals much faster.

Frequently Asked Questions

Will my transparent background be preserved?

Yes! Unlike JPG converters, PNG compression preserves the Alpha channel completely.

How does color quantization save space?

It groups similar shades into single color bins, allowing deflate compression to shrink files dramatically.