Compress HEIC Images for Instagram
Instagram automatically recompresses uploaded images, so starting with properly optimized files is essential to avoid double-compression artifacts and preserve visual quality in your feed. 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 Instagram — target under 8,000KB for optimal performance. Processing is fully browser-based — no server uploads, no privacy risk.
Recommended format
JPEG
Max file size
8,000KB
Dimensions
1080×1080 (square), 1080×1350 (portrait), 1080×566 (landscape)
✓Use JPEG quality 80–90 to prevent Instagram re-compression artifacts
✓Square images (1:1 ratio) maximize feed real estate
✓Keep file size under 8MB for smooth, fast uploads
✓Use sRGB color profile for consistent colors across devices