Compress HEIC Images for Facebook
Facebook recompresses images on upload, and uses aggressive compression for link previews. Pre-optimizing your images ensures they maintain quality after Facebook's processing. High Efficiency Image Format — the default photo format on iPhones and modern Apple devices. Excellent compression. Use ImageSmith to compress your HEIC images to the ideal file size for Facebook — target under 4,000KB for optimal performance. Processing is fully browser-based — no server uploads.
Recommended format
JPEG
Max file size
4,000KB
Dimensions
1200×630 (link previews), 1080×1080 (square posts)
✓Use sRGB color profile for accurate colors across devices
✓Keep profile photos at 170×170 and cover photos at 820×312
✓Link preview images should be 1200×630 for optimal display
✓Upload PNG for graphics with text to avoid JPEG artifacts
Compress HEIC for Other Platforms
Compress HEIC for Facebook — FAQ
Facebook works best with images under 4,000KB. Recommended dimensions: 1200×630 (link previews), 1080×1080 (square posts). ImageSmith can compress HEIC images to any target size in seconds.
Facebook primarily supports JPEG, PNG. Converting to JPEG is recommended for best compatibility.
Upload your HEIC image to ImageSmith, set a target size under 4,000KB, and compress. Use sRGB color profile for accurate colors across devices
Facebook recommends keeping image files under 4MB. For link preview images, use 1200×630 pixels for optimal display across all device sizes.
Facebook compresses photos automatically. Pre-compressing with ImageSmith at a controlled quality level results in much better final image quality than relying on Facebook's auto-compression.