Free Tool

Free Online VideoFormat Converter

Convert videos between MP4, WebM, AVI, MOV, and MKV formats. 100% browser-based — your files never leave your device.

How to Convert Video Format

Three simple steps to convert your video to any format.

1
Upload Your Video

Select a video file from your device.

2
Choose Format

Pick the target format — MP4, WebM, AVI, MOV, or MKV.

3
Download

Click Convert and download in the new format.

Who Needs Video Format Conversion

From content creators to everyday users.

Content Creators

Convert footage for YouTube, TikTok, or Instagram.

Device Compatibility

Make videos playable on any device.

Workflow Integration

Convert to the format your editing software requires.

Why Use Our Video Converter

Fast, private, and completely free.

Lightning Fast

WebAssembly-powered near-native speed.

100% Private

Files never leave your device.

Multiple Formats

MP4, WebM, AVI, MOV, and MKV.

No Limits

No file size limit or watermarks.

Loved by Creators

Join thousands who convert with BibiGPT.

50,000+ creators trust BibiGPT

“Fast, private, and no watermarks. Perfect.”

Alex R.

Video Editor

“I convert client videos daily. Just works.”

Maria C.

Creator

FAQ

Common questions about video conversion.

Start converting videos for free

No sign-up required. Browser-based, private, and fast.