Compress AVIF Images for Squarespace
Squarespace websites are visually driven — large, beautiful images are central to the design. Properly compressed images maintain visual quality while dramatically improving page load speed. Next-generation image format based on the AV1 video codec. Offers superior compression to both WebP and JPEG. Use ImageSmith to compress your AVIF images to the ideal file size for Squarespace — target under 20,000KB for optimal performance. Processing is fully browser-based — no server uploads, no privacy risk.
Recommended format
JPEG
Max file size
20,000KB
Dimensions
2500px max width for full-bleed sections
✓Upload JPEG at quality 80–85 for optimal quality-to-size ratio
✓Squarespace uses 2500px as the display maximum — match this for full-bleed images
✓Optimize all gallery images before upload to reduce page weight
✓PNG for logos with transparent backgrounds