Drop a file here or click to choose
Your file stays on your device. Processing happens locally in your browser.
What is Resize Video for Instagram?
Instagram crops videos that don't match its frames. This page starts the video resizer on the Instagram Reels preset (9:16, 1080×1920, 30 fps); switch to Instagram Post for the 4:5 1080×1350 feed size. Keep Fit to show the whole picture with bars, or choose Fill to cover the frame. Processing runs in your browser, so the video stays on your device.
Resize a video for Instagram Reels, Stories or the feed with the right canvas preselected. Runs locally in your browser with WebAssembly.
Key features
- Reels / Stories 9:16 and feed 4:5 presets
- Fit (no crop) or Fill (no bars)
- MP4 output at 30 fps
- Runs in your browser — nothing is uploaded
Popular uses
- Post a landscape phone video as a Reel
- Fit a 16:9 clip into a 4:5 feed post without losing the edges
- Prepare Stories from camera footage
Supported formats
Input: MP4, M4V, MOV, WebM, MKV, AVI. Output: MP4 (H.264 + AAC) by default.
Troubleshooting
- The important part is cut off Use Fit, or crop the exact area first with Crop Video and then resize.
Also known as: Instagram Video Resizer, Reels Size Converter.
How it works
- Choose your video — it stays on your device.
- Instagram Reels (9:16) is preselected; switch to Instagram Post (4:5) for the feed. Pick Fit or Fill.
- Click Run and post the MP4 from your downloads.
FAQ
Reel or feed post — which size?
Reels and Stories are vertical 9:16 (1080×1920). Feed posts look best at 4:5 (1080×1350). Choose the matching preset.
Is my video uploaded?
No. Everything runs in your browser with WebAssembly. Your file never leaves your device and is never sent to Fah Swe servers.
Does Instagram accept every video I make here?
The presets match Instagram's commonly used sizes, but Instagram changes its rules and can still recompress or reject files. No acceptance is guaranteed.
Should I use Fit or Fill for a Reel?
Fill if the subject is in the middle (the sides are cropped). Fit if everything in the frame matters — bars are added above and below.