Free Online Image Compressor

Reduce image file size by up to 90% without losing quality. Fast, free, and secure.

Drop your image here

or click to upload from your device

How to Compress Images Online

Our image compressor uses smart lossy compression to reduce the file size of your images while keeping them looking great. Here's how to use it:

  1. Upload: Drag your image into the box or click "Select Image".
  2. Adjust Quality: Use the slider to set your desired quality level. 80% is usually the "sweet spot" for web images.
  3. Select Format: For the best compression, we recommend converting your images to WebP.
  4. Preview: Click "Compress Image" to calculate the new file size.
  5. Download: Save your optimized image instantly.

Why Compress Your Images?

PixelResize is built for privacy-first image optimization. No data is stored or tracked.