Compress Images for Medium — Free & Instant
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's free image optimizer to compress your Medium images directly in your browser — no account needed, no watermarks, and no ads. Target under 25,000KB per image 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