Crop a video without uploading it
Choose the crop frame or a preset ratio, then download the MP4. Everything runs on your device, nothing is uploaded.
How to crop a video (free, in your browser)
- 1
Import your video
Drop your file or tap to choose it. It stays on your device, nothing is uploaded.
- 2
Set the crop
Drag the crop frame or pick a ratio: 9:16 for TikTok/Reels, 1:1 for feed, 4:5 for Instagram.
- 3
Download your MP4
Run the crop and save the reframed video, ready to post.
Cropping is just the reframe.
After cropping, Montaj adds subtitles, cuts silences and cleans the audio automatically on your device, without ever uploading your video.
Frequently asked questions
How do I crop a video on iPhone?
Open this page on any device, import your video, drag the crop frame or choose a ratio, and download the cropped clip, in your browser, no upload. For full editing, use the Montaj app.
Is my video uploaded to a server?
No. Cropping runs entirely in your browser, on your device. Nothing is uploaded.
Can I crop to 9:16 for TikTok or Reels?
Yes. Pick the 9:16 preset (also 1:1 and 4:5). The video is reframed to fit.
Does it add a watermark?
No watermark. The cropped video is clean.
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