What can I do with Video Speed Changer?

Speed up or slow down video with a local re-record. Video Speed Changer is part of the Video shelf on utils.sbs and is designed for quick, one-off tasks.

Is Video Speed Changer free to use?

Yes. Video Speed Changer is free, requires no account, and has no per-file or per-use charge.

Are my files uploaded when I use Video Speed Changer?

No. Video Speed Changer is designed to process your input locally in the browser. Files are not uploaded to a server for processing.

What formats does Video Speed Changer support?

It accepts the video formats your browser can decode and exports a downloadable video, GIF or frame image.

Can I use Video Speed Changer on my phone?

Yes. Video Speed Changer is responsive and works in modern mobile browsers. Very large files may be limited by the device's available memory.

Video tool

Video Speed Changer

Speed up or slow down video with a local re-record.

Runs on-deviceNo sign-upFree

All video tools

Workspace

Video Speed Changer

Runs locally

Drop a video to change its speed

or · MP4, WebM or MOV · nothing is uploaded

Load once

Your video stays on this device and is never uploaded.

Work in focus

The editor opens in a large modal, with every control in view.

Export clean

Save the result without an account or a watermark.

The guide

By the utils.sbs team · Reviewed November 2026 · How we build and review tools

Quick answer

Video Speed Changer is a free browser-based video tool. Speed up or slow down video with a local re-record. It runs with canvas, MediaRecorder and WebCodecs locally, requires no account and does not upload your files. Open the page, add your input, adjust any options and download the result.

What is Video Speed Changer?

Video Speed Changer is a free browser-based video tool from utils.sbs. Speed up or slow down video with a local re-record. It is built for quick, focused jobs: open the page, add your input, adjust the options and take the result with you. No account, install or server upload is required.

At a glance

Category	Video
Input	MP4, WebM or another browser-decodable video
Output	A video, GIF or frame image
Engine	canvas, MediaRecorder and WebCodecs
Processing	In your browser
Price	Free
Account	Not required

How Video Speed Changer works

Video work uses the browser's media APIs, canvas and WebCodecs where available. Encoding and frame extraction run locally.

How to use Video Speed Changer

1Open Video Speed Changer and add your input.
2Adjust the options: speed.
3Run the tool, check the preview or result, and download the output.

When to use Video Speed Changer

Trim a clip or remove a section before publishing.
Convert a recording into a format that is easier to share.
Export a frame, GIF or compressed version for the web.

Inputs and options

Speed: Set this value before running the tool.

Limitations

Encoding speed and supported codecs depend on the browser and device. Long or high-resolution videos may be limited by available memory.

Privacy and accuracy

Video Speed Changer processes its input in the browser whenever the platform API allows it. Files and values are not uploaded to a server for processing, and the tool does not require an account. For calculations, use the result as a reference and verify important decisions against the source formula or a qualified professional. Read our methodology.

FAQ