Resize video online
Resize video online without uploading it.
Use an online page to resize a local video file. The selected video is processed in your browser tab, not on a conversion server.
Resize video online
Default output: 1280 x 720 MP4.
Your selected video is processed in this browser tab. It is not uploaded to a conversion server.
Ready.
Online page, local resize
The page loads online, but the resize job runs locally. The version fits the source video inside the target dimensions while keeping the original aspect ratio.
Best settings and limits
Best first try
Use 1280 x 720 for standard HD. Use even-numbered dimensions such as 1080 x 1920 for vertical output.
When this may fail
The output may include padding when the source and target aspect ratios do not match. Use crop if you need the frame filled edge to edge.
Privacy boundary
The selected video file stays on your device while the tool creates the output.
Frequently asked questions
Can I resize video online without uploading?
Yes. The selected video file is processed locally in your browser tab.
Will resize stretch my video?
No. The default behavior keeps the original aspect ratio and pads the target canvas.
What output format do I get?
The download is an MP4 file.