Crop Video

Blurred Video Background Online – 9:16 with Blur

VideoMuto gives a video a blurred background in your browser — padding it to a new ratio with a soft blurred version of the footage.

  • No file limits
  • No registration
  • Free forever
  • Videos never leave your browser

The blurred background is composited locally. Your video never leaves your device.

make a landscape clip fill a vertical feed elegantly. The edges are padded with the same video, blurred, instead of stark black bars.

How to Add a Blurred Background

  1. Add Your Video

    Drop the clip onto the page.

  2. Pick the Ratio

    Choose the output ratio for the canvas.

  3. Download the Composed Video

    Get a vertical or square video with a soft blurred backdrop.

Why Use a Blurred Background?

A 16:9 clip posted to a 9:16 feed either crops the action or sits in black bars.

A blurred background keeps the whole frame and looks intentional and polished.

Blurred Background Specifications

FormatsMP4, MOV, WebM and more
Ratios16:9, 9:16, 1:1, 4:5, 21:9, 4:3, 2.39:1
ProcessingOn your device, no upload
RegistrationNot required

Frequently asked questions

How does the blurred background look?

The video is stretched to fill the target ratio, blurred heavily, and the original is placed centered on top.

Which ratios work best?

9:16 for Shorts and Reels, 1:1 for feed posts, or 4:5 for portrait layouts.

Related tools

Your videos never leave your browser

All processing happens locally on your device. Nothing is uploaded to a server, stored, or tracked.