Compress Images for Reddit
Reddit image posts display in feed thumbnails and full-size previews. Optimized images load faster and look sharper across Reddit's desktop site, mobile app, and old.reddit. Use ImageSmith to compress your Reddit images before sending — free, instant, and entirely in your browser. No account needed, no watermarks, no ads. Target under 20,000KB for best results on Reddit.
Max size
20,000 KB
Format
JPEG
Size
1200×628 (link previews), 1080×1080 (image posts)
- 1Reddit thumbnails display at 140×140 — ensure key content is centered
- 2Use 1200×628 for link preview images
- 3PNG for screenshots and graphics, JPEG for photographs
- 4Reddit GIFs auto-convert to MP4 for better performance