Compress Images for Medium — Keep Quality, Beat the Limit

Medium's editor displays images at up to 1400px wide. Properly optimized feature images make articles look professional and load quickly for readers on all devices. Use ImageSmith to compress your Medium images before sending — free, instant, and entirely in your browser. No account needed, no watermarks, no ads. Target under 25,000KB for best results on Medium.

Max File Size

25,000 KB

Recommended Format

JPEG

Dimensions

1400×933 for article feature images

Medium Compression Tips

  • 1.Feature images display at up to 1400px wide — optimize to this width
  • 2.Target under 500KB for article images to maintain fast reading speed
  • 3.PNG for diagrams and screenshots, JPEG for photographs
  • 4.Medium applies light additional compression on upload

Compress by Format

Other Platform Optimizers

Medium Image Optimization FAQ