ImageCompress

Image Compression Guide

Best practices to get great quality with small file sizes.

How it works

  1. Upload one or multiple images (JPEG/PNG/WebP/AVIF)
  2. Choose quality preset or set a custom quality
  3. Pick output format (Auto recommended)
  4. Start compression and preview results
  5. Download individual images or a ZIP archive

Best practices

  • Use Auto format for photos (WebP) and PNG for transparency
  • Medium quality (≈80%) balances size and quality
  • Resize very large images to ~1920px for big savings
  • Batch compress to keep settings consistent

Privacy

All processing happens locally in your browser. Images never leave your device.