Question 1

What is video compression?

Accepted Answer

Video compression reduces file size to save storage and bandwidth. Our tool uses WebCodecs API and mediabunny library to process videos locally in your browser. Compression ratios of 70-90% significantly reduce file size with minimal quality loss.

Question 2

What formats are supported?

Accepted Answer

Supports MP4, WebM, and MOV formats. MP4 for general use, WebM for web, MOV for Apple devices.

Question 3

Will quality be reduced?

Accepted Answer

Provides 10-100% quality slider. Default 70% offers excellent balance, compressed videos look nearly identical to the original, but file size reduces by 70-90%.

Question 4

How long does it take?

Accepted Answer

A 50MB video at 70% quality takes 10-20 seconds. All processing happens locally, speed depends on your device.

Question 5

Is it safe?

Accepted Answer

Completely safe! All processing happens locally in your browser, nothing is uploaded. We don't collect or store any video data.

Video Compressor - Compress Videos Online

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