Compress JPEG 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. The most widely used lossy image format, ideal for photographs and complex images with millions of colors. Use ImageSmith to compress your JPEG 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

Compress JPEG for Other Platforms

Compress JPEG for Instagram — FAQ