Compress Video

Compress Video re-encodes a video on your device with settings aimed at a smaller file.

Make a smaller MP4 by lowering bitrate, resolution, or both.

FREE · NO ACCOUNT · RUNS ON YOUR DEVICE

Files stay on your device

  • 3quality levels
  • 480–1080poptional cap
  • MP4output
  • Localbrowser processing
In practice

What you can count on

  • 0files uploaded
    • The source stays local
    • The result is written locally
  • 3quality choices
    • Smaller, balanced or clearer
    • Change resolution separately
  • 1new MP4
    • Original is not replaced
    • Result size is measured
Specification

Compress Video at a glance

Input
One video
Output
MP4
Quality
Three presets
Resolution
Original to 480p
Size result
Measured after conversion
Where it runs
On your device
How to

How to use Compress Video

  1. 1

    Choose a video

    Drop or choose the video you want to make smaller.

  2. 2

    Set clarity and resolution

    Start with Balanced and keep the original resolution, then lower either setting if needed.

  3. 3

    Compress and save

    Keep this tab open, then download the measured MP4 result.

Questions

Frequently asked questions

How much smaller will the video be?

That depends on the source bitrate, resolution and content. The page does not promise a percentage before it measures the result.

Which setting should I start with?

Balanced is the useful first try. Choose Smaller file or a lower resolution when you need a stronger reduction.

Can the result be larger?

Yes. A source that is already highly compressed can produce a larger result when re-encoded.

Does the file leave my device?

No. Both source and result stay in your browser and downloads.

Background

Two levers control video size

Choose how strongly to compress and whether to cap the height at 1080p, 720p or 480p. The result size depends on the source and is shown when the file is ready.

  • A stronger compression setting removes more visual detail to reduce bitrate.
  • Reducing resolution removes pixels and can cut size more sharply, especially for high-resolution sources.

Full specification

Specification of the Compress Video tool
InputOne supported video.
OutputH.264 MP4 with AAC audio.
QualitySmaller, balanced or clearer presets.
ResolutionKeep the original or cap height at 1080p, 720p or 480p.
Size resultDepends on the source; a smaller result is not guaranteed for an already efficient video.
Where it runsOn your device in this browser tab.
Next step

Keep going with the same files

All video tools: Video tools on SPOTTOOLS