Exact output canvas
Use custom width and height, common aspect ratios, or 1080p, 720p, and 480p presets.
Private local processing
Video Resizer for Any Canvas and File Size
Resize, crop, fit, or pad a video for social platforms, then export an MP4 with your chosen resolution, frame rate, and target MB.
Runs locally in your browser. Your selected video is not uploaded to our servers.
Private local processingH.264 MP4 outputFree, no sign-in
One resize workflow for every destination
Preview the output canvas before encoding, then combine platform dimensions with a practical upload-size target.
Crop, fit, or pad
Choose how the source fills the canvas, set its position, and pick the padding color when needed.
Platform-ready output
Start from TikTok, Instagram, YouTube, or Shorts presets and export a local H.264 MP4.
How to resize a video online
- 1
Choose a video and inspect its original dimensions in the local preview.
- 2
Pick a platform, aspect ratio, resolution, or enter exact width and height.
- 3
Choose crop, fit, or pad, then set the frame position, FPS, and target MB.
- 4
Export the resized MP4 in your browser and download the result.
Video resizer questions
Choose a videoYes. Choose 9:16, 1:1, 16:9, 4:5, or 1.91:1, then use crop or pad to control how the original frame fits.
Crop preserves proportions and removes overflow. Pad preserves the whole frame and adds background space. Fit stretches the source to the exact output canvas.
Yes. The selected canvas, frame rate, and target MB are all used for the same export. Complex motion may still produce a result slightly above the requested size.
No. Resizing and MP4 encoding happen in the current browser tab. The selected file is not uploaded to our application server.
More ways to prepare a video
Compress to a strict file size, calculate bitrate, or preserve more visible detail with related browser tools.
Video Resizer for Any Canvas and File Size
Runs locally in your browser. Your selected video is not uploaded to our servers.