Image Tools

Compress Image

Compress images online for free. Reduce JPG, PNG or WebP file size with adjustable quality while processing the image locally in your browser.

Drop your image here

Compress JPG, PNG or WebP locally in your browser.

Choose Image

🔒 Your image is processed locally in this browser and is not uploaded to Zavilo.

About Compress Image

Compress Image is designed for faster uploads, websites, email attachments and storage savings. Choose a quality level and output format, then compare the original and compressed file sizes before downloading.

How to use Compress Image

  1. 1

    Choose a JPG, PNG or WebP image.

  2. 2

    Select JPG or WebP as the compressed output format.

  3. 3

    Move the quality slider to control the size-versus-quality tradeoff.

  4. 4

    Click Compress Image, compare file sizes and download the result.

Tips for better results

  • Start around 75–85% quality and inspect the result.
  • WebP often works well for website images.
  • For very large images, resizing dimensions before compression can save more space.

Frequently asked questions

How much can an image be compressed?

It varies by source image, dimensions, format and quality setting. The tool shows the before and after sizes.

Does lower quality mean a smaller file?

Generally yes, although exact results depend on the image.

Are compressed images sent to a server?

No. Supported images are processed locally in the browser.

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