Compress Video for Instagram Reels
Prepare vertical 1080 × 1920 Reels that upload fast and survive Instagram's processing with clean quality.
Instagram Reels are 9:16 at 1080 × 1920. Instagram applies its own transcoding, so the smartest move is delivering a clean H.264 master — right resolution, right codec, sane bitrate — and letting Instagram's re-encode hit good quality. We handle resolution, FPS, and bitrate for you.
How it works
- Upload your file
- We analyze your file
- We optimize it for Instagram Reels
- Download your optimized file
Technical details
| Property | Value |
|---|---|
| Recommended resolution | 1080 × 1920 |
| Aspect ratio | 9:16 |
| Format / codec | MP4 · H.264 + AAC |
| Frame rate | 30 FPS |
| Video bitrate target | ~6 Mbps (quality-based CRF) |
Compression strategy
- Reels display at 1080 × 1920 (9:16); sources larger than that are downscaled.
- H.264 + AAC in an MP4 container matches what Instagram expects from uploads.
- Bitrate around 6 Mbps is efficient for 1080p30 Reels content without straining mobile uploads.
- If your source is already 1080 × 1920 we don't resize it — we only re-encode when it saves meaningful size.
FAQ
What is the best format for Instagram Reels?
An H.264 MP4 in 1080 × 1920, ideally 30 FPS. Vertical 9:16 is what the Reels UI expects.
Does Instagram compress Reels?
Yes, Instagram transcodes Reels. Pre-optimizing to their spec minimizes the damage of that second pass.
Will my Reel upload faster?
Almost always — a phone 4K file can be over 100 MB, while an optimized 1080p Reel is typically 10–30 MB depending on length.
Is the Reel processed on my device?
Yes, in-browser with FFmpeg.wasm. Nothing is uploaded to our servers.