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Image Compressor

Shrink an image's file size by re-encoding it at an optimized quality setting. Drag in a file, adjust the quality slider, and compare before/after size instantly.

Your files are processed 100% locally in your browser. Nothing is ever uploaded to any server.

How to use this tool

1Step 1

Drop an image onto the upload area, or click to choose a file.

2Step 2

Adjust the quality slider to trade off file size against visual quality.

3Step 3

Preview the result and compare the before/after byte size.

4Step 4

Click Download to save the compressed image to your device.

Frequently asked questions

Do you store or see my file?

No. All processing happens 100% locally in your browser using built-in Web Platform APIs. Your files are never uploaded to any server.

Which formats are supported?

JPG, PNG, and WebP images up to 25 MB.

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