Compress HEIC Images for Facebook Ads
Facebook ad images must meet specific size requirements and file limits for each placement. Optimized images perform better across Facebook, Instagram, Messenger, and Audience Network. 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 Ads — target under 30,000KB for optimal performance. Processing is fully browser-based — no server uploads, no privacy risk.
Recommended format
JPEG
Max file size
30,000KB
Dimensions
1200×628 (feed link ads), 1080×1080 (square ads)
✓Feed ads: 1200×628 (landscape) or 1080×1080 (square)
✓Stories ads: 1080×1920 for full-screen vertical format
✓Text overlays must cover less than 20% of the image area
✓Use high-contrast images that stand out in the news feed