Make a video fit the platform you are posting to. Pick a preset such as story, YouTube, square or 720p, or enter any size, and decide whether to add bars, fill and crop, or stretch. You can also scale by percent. The result is an MP4 made on your own device.
Files never leave your device
Free, no sign-up
No watermark
How to use the Video Resizer: Choose a video. Pick a preset or a custom size, and how to fit it. Press Resize video and download the MP4. It is free, needs no sign-up and runs in your browser, so your files are never uploaded.
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How it works
How to use the Video Resizer
1
Choose a video.
2
Pick a preset or a custom size, and how to fit it.
3
Press Resize video and download the MP4.
Tips
Tips for the best result
Use Fill and crop to avoid black bars, and Add bars to keep every part of the picture.
Making a video smaller also makes the file smaller.
Avoid enlarging. It makes the file bigger without adding detail.
Questions
Frequently asked questions
What size is best for Instagram reels?
1080 x 1920, a 9:16 vertical video.
Does resizing change the length?
No. Only the picture size changes.
Are my files uploaded to a server?
No. The work happens inside your browser on your own device. Your files are never sent to us or to anyone else, and they are gone when you close the page.
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Every tool on ReelGrab
Resize, trim, merge, compress and convert. Pick any tool below, it opens right here in your browser.
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Files stay on your device
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