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Compress Image

Reduce image file size while maintaining visual quality. Fast, free, and private.

About Compress Image

Oversized images are the number one cause of slow web pages and rejected uploads. A phone photo is typically 3–8 MB, while most websites, forms, and marketplaces want files under 1 MB — sometimes far less. Compression bridges that gap with barely visible quality loss.

This tool re-encodes images in your browser with an adjustable quality level and live size preview, so you can find the sweet spot between sharpness and file size before downloading. No uploads, no queues, no watermarks.

How to use Compress Image

  1. 1

    Add an image

    Drop in a JPG, PNG, or WebP straight from your camera roll or desktop.

  2. 2

    Set the quality level

    Slide between smaller-file and higher-quality — the estimated output size updates as you move it.

  3. 3

    Compress

    The image is re-encoded locally in your browser in a second or two.

  4. 4

    Download

    Save the smaller file. The original on your device is untouched.

Tips for better results

  • ✓Quality 70–80% is visually identical to the original for most photos at a fraction of the size.
  • ✓Screenshots and graphics with flat colors compress better as PNG; photos as JPG or WebP.
  • ✓For web use, also resize to the display dimensions — a 4000px photo shown at 800px wastes most of its bytes.

Frequently Asked Questions

How much will my image be compressed? +
Typically 40–80% reduction. Photos compress more than graphics with flat colors. You can preview both sizes before downloading.
What formats are supported? +
JPG, PNG, WebP, and GIF are all supported. The output format matches your input format.
Will I notice quality loss? +
At 80% quality (our default), the difference is barely perceptible. Use the quality slider to find the right balance for your use case.
Is there a file size limit? +
No server limits. Since everything runs in your browser, the only constraint is your device memory.
Are my images private? +
Yes. Compression happens locally in your browser. Your images are never uploaded to any server.

Related Tools

Your files never leave your device. All processing happens in your browser. No data is sent to any server.