Compress Images for Medium

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 size

25,000 KB

Format

JPEG

Size

1400×933 for article feature images

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

Compress by format

Other platforms

Medium image compression FAQ