Compress Images for Desktop
Desktop wallpapers display across the full screen of monitors. A properly optimized wallpaper looks stunning on modern 4K monitors while keeping the file size reasonable. Use ImageSmith to compress your Desktop 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 Desktop.
Max size
20,000 KB
Format
JPEG
Size
3840×2160 (4K), 2560×1440 (1440p), 1920×1080 (1080p)
- 1For 4K monitors, use 3840×2160 pixels for full-resolution display
- 2JPEG at quality 90 is a good balance for large wallpaper files
- 3PNG produces larger files but perfect quality for graphic wallpapers
- 4Consider creating multiple resolutions for different screen sizes