ENPTES

Add a fisheye lens to a short video

Leave light, or pick medium or strong, then download MP4. The middle bulges and the edges bend. The frame size stays. The work runs in this tab.

Runs in your browser Free No sign-up
  1. Choose file
  2. Set options
  3. Get result

Your file never leaves your device. Processed locally in your browser. Nothing is uploaded.

FFmpeg lenscorrection bends the frame so the middle bulges. Strong uses a deeper curve than light. Width and height stay the same. The soundtrack stays when the file has one. Clips up to 30 seconds. A photo belongs on the image pages.

How to add a fisheye

1. Drop a short video you already have. A photo or an audio file is refused here. 2. Leave light, or pick medium or strong. 3. Press “Apply fisheye” and download the MP4.

GustKit runs the FFmpeg lenscorrection filter. Negative k1 and k2 pull the middle outward, which is the fisheye bulge. Strong uses k1 of -0.9 and k2 of -0.2. Light uses only a mild k1 of -0.45. When the file has a soundtrack, that track stays. A silent clip still bends.

A lens, not a zoom

Video zoom crops the center and scales it back. This page keeps the whole frame and bends it. It does not shake the camera and it does not flip the clip. The download is always MP4.

The clip stays in this tab

FFmpeg runs in this browser. GustKit does not fetch video from a link. Close the tab and the file is gone. Clips up to the limit shown next to the button.

How to check the fisheye

1. Play the download next to the original. 2. A mark near the middle should sit farther from the center. Strong should bend more than light. 3. If the download is not MP4, or the frame size changed, you opened a different page.

Video zoom crops the center. This page runs FFmpeg lenscorrection, keeps the frame size, and saves MP4. Nothing is uploaded.

Frequently asked questions

The download is MP4 and a mark near the middle sits farther out. Did it work?

Yes. Strong bends more than light. Width and height stay the same. A soundtrack stays when the file has one.

Why do the corners look stretched?

The fisheye samples the middle across a wider part of the frame. Zoom video is the page that crops the center instead.

Can I add a fisheye and also zoom the center in one step?

No. Add the fisheye first, or zoom the center first, then open the other page on the download.

Is the video uploaded?

No. The fisheye runs in this tab.

The corners look pulled and the frame size matches. Did it work?

Yes. Strong uses a deeper negative curve. Width and height stay the same.

Can I add a fisheye and also add camera shake in one step?

No. Add the fisheye first, or add the shake first, then open the other page on the download.