How long does compression take?

FFmpeg runs single-threaded in the browser at roughly 0.3x to 1x real time. One minute of 1080p video takes about 1 to 3 minutes.

How large a video can I process?

Browser memory limits apply; keep single files under about 1 GB. Trim larger videos into segments first.

Are my files uploaded to a server?

No. Everything runs locally in your browser via WebAssembly. Files never leave your computer and are discarded when you close the page.

Do I need to sign up or pay?

No. The site is completely free, requires no account, has no usage limits and adds no watermarks.

🗜️Compress Video - Reduce Video File Size Online

Make phone videos and screen recordings smaller for messaging, uploading or saving space. Choose the compression strength and output resolution; output is universal MP4 (H.264 + AAC).

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How to use Compress Video

1Upload a video file
2Choose the compression level and resolution (e.g. 720p)
3Click start and download the MP4 when finished

FAQ

How long does compression take?: FFmpeg runs single-threaded in the browser at roughly 0.3x to 1x real time. One minute of 1080p video takes about 1 to 3 minutes.
How large a video can I process?: Browser memory limits apply; keep single files under about 1 GB. Trim larger videos into segments first.
Are my files uploaded to a server?: No. Everything runs locally in your browser via WebAssembly. Files never leave your computer and are discarded when you close the page.
Do I need to sign up or pay?: No. The site is completely free, requires no account, has no usage limits and adds no watermarks.