Resize a Video for Instagram
Pick Reels, portrait feed or square, and your video is fitted to Instagram’s exact size.
- 100% in your browser
- No upload
- No sign-up needed
- No watermark
How to resize a video for Instagram
- Add your video
Drop a video on the box above or tap to choose one. - Pick the Instagram format
Reels and Stories are 1080×1920, portrait posts 1080×1350 and square posts 1080×1080. - Resize and download
Choose black bars or fill the frame, then download the MP4 and post it.
Features
- No uploadProcessing happens on your device with WebCodecs, so even large files stay private.
- No sign-up needed, no watermarkUse every tool as often as you like. Your output is clean.
- Hardware acceleratedUses your device’s video encoder when available, so most jobs finish in seconds.
- Works on phone and desktopRuns in Chrome, Edge, Safari and Firefox on iPhone, Android, Windows and Mac.
Frequently asked questions
Are my files uploaded?
No. The file is read and processed by your browser. It never leaves your device.
Is it free?
Yes. There is no file limit and no watermark, and you don’t need an account.