Instagram places clear technical limits on image and video dimensions to maintain performance and consistency across the platform. Understanding the maximum file size and dimension rules helps creators deliver content that looks sharp and loads quickly.
These limits apply differently to posts, stories, reels, and IGTV, and they can change as Instagram updates its apps. The following sections break down what the limits mean for realistic use cases and how to stay within boundaries without sacrificing quality.
| Content Type | Maximum Dimension | Maximum File Size | Recommended Format |
|---|---|---|---|
| Photo Post | 1080 pixels on the longest side | 30 MB | JPEG or PNG |
| Landscape Photo | 1080 pixels width, up to 1350 pixels height | 30 MB | JPEG or PNG, sRGB |
| Portrait Photo | 1080 pixels width, up to 1350 pixels height | 30 MB | JPEG or PNG |
| Square Photo | 1080 x 1080 pixels | 30 MB | JPEG or PNG |
| Standard Video | 1080 pixels on the longest side, 15 to 60 minutes | 4 GB | MP4, H.264, up to 30 fps |
| Reels and Short Videos | 1080 pixels, up to 90 seconds | 4 GB | MP4, H.264, recommended bitrate for 1080p |
| Stories and Close Friends | 1080 x 1920 pixels (portrait) | 500 MB per story item | JPEG or MP4, 30 fps preferred |
Image Size Guidelines for Feed Posts
For feed photos, Instagram performs best when the long side stays at or below 1080 pixels. Keeping within this limit ensures quick loading while preserving detail on modern screens. File size should remain under 30 MB, which is rarely an issue for compressed JPEGs.
Choose JPEG for photographs to balance quality and file size, and use PNG only when you need transparency or very sharp edges. sRGB color profile works consistently across devices, so avoid wider gamuts that can shift colors on upload.
Landscape and Portrait Orientation Tips
Landscape images should not exceed 1350 pixels on the long side, while portrait images can safely use the same height without cropping. Maintain a clean composition by leaving safe margins for mobile thumbnails and profile overlays.
Video and Reel Specifications
Reels and standard videos share similar dimension rules but serve different distribution goals. Aim for 1080 pixels on the longest side, a frame rate of 30 fps, and an MP4 container with H.264 encoding for reliable playback.
Keep video length between 15 and 90 seconds for Reels to maximize reach, and stay under 4 GB per file to avoid upload issues. Higher bitrates can be used sparingly, provided the total size remains within platform limits.
Stories, Close Friends, and Vertical Content
Stories occupy the full mobile screen, so design at 1080 x 1920 pixels to fill the frame without distortion. Use portrait orientation for text and key visuals, since most users view stories on phones held upright.
Each story item must stay under 500 MB, which is generous for short clips and images. Prefer MP4 for motion content and JPEG for single-frame graphics to balance clarity and performance.
Optimizing Future Instagram Content
Following a few practical habits makes it easier to respect Instagram size rules while maintaining high visual standards.
- Resize images to 1080 pixels on the long side before export.
- Export video at 1080p and 30 fps with an MP4/H.264 preset.
- Keep files under 30 MB for photos and under 4 GB for videos.
- Use sRGB color space and avoid heavy uncompressed TIFF workflows.
- Preview content on mobile screens to ensure text and subjects remain clear.
FAQ
Reader questions
Will compressing an image below 1080 pixels hurt its quality on Instagram?
No, compressing to 1080 pixels on the long side typically preserves visible quality while reducing load time and staying within file limits.
Can I upload a 4K video directly to Instagram without downscaling? > Instagram will automatically compress 4K footage, so downscaling to 1080p before upload avoids quality loss and keeps processing efficient. What happens if my video exceeds the 4 GB file size limit?
You will be unable to complete the upload; split long videos into segments under 4 GB or use Instagram's album features for sequential playback.
Do square photos perform better than landscape or portrait in the feed?
Square photos display consistently across devices, but landscape and portrait content can also perform well when composed for mobile viewing and clear cropping.