Resize and compress images for Instagram
Instagram re-compresses uploads. Starting with the right dimensions and a smaller file helps your posts stay sharp.
Recommended dimensions (2025)
- Feed square — 1080 × 1080 px
- Feed portrait — 1080 × 1350 px
- Feed landscape — 1080 × 566 px
- Stories / Reels — 1080 × 1920 px
Compression tips
Use the Social preset in NexusCompress (JPEG, 1080px max width, 80% quality) or set max width to 1080 and format to JPEG for maximum compatibility when posting from mobile.
For carousel graphics with text, PNG may be sharper; for photos, JPEG or WebP is usually better.
Privacy
Unlike cloud tools, NexusCompress processes photos locally — useful for unpublished campaign assets and client content.