◆ VIDEO FORMAT CONVERTER

Video Format Converter for MP4, WebM, MOV, AVI and MKV

A clip that will not play, will not upload or will not open in your editor is usually just the wrong container. Convert it to the format the other side expects and download the new file.

Six output formats Up to 500 MB No account needed
Conversion Ready
recording.mkv Source file detected
What happens On the server
Your file is uploaded and read by the converter.
The video is rewritten into the format you selected.
The converted file is offered as a download.

What the converter does

One Video, the Format Each Platform Wants

Every player, editor and upload form has its own idea of an acceptable video file. This tool moves your clip between the six formats that cover almost all of those cases.

MP4 for Compatibility

The safest choice when a file has to open on a phone, a TV, a social platform or a colleague's laptop.

WebM for the Web

A format built for browsers, useful when a clip goes straight into a web page.

MOV for Apple Workflows

QuickTime output for editing suites and Apple devices that expect MOV.

AVI and MKV

Older software and media servers often insist on one of these containers. Both are available as targets.

GIF Export

Turn a short clip into an animated GIF for a chat, a bug report or a documentation page.

Straight Download

When the conversion finishes the new file is ready to download. Nothing is installed on your computer.

How it works

Upload, Choose a Format, Download

Three steps in the browser. Keep the page open while a large file is processing.

1

Add Your Video

Drag the file into the upload area or pick it from your device. The limit is 500 MB per file.

2

Pick the Output

Choose MP4, WebM, MOV, AVI, MKV or GIF as the target format.

3

Convert and Download

A progress bar shows the upload and conversion. When it completes, download the converted video.

Supported formats

What You Can Put In and Get Out

The converter accepts the common video containers and writes any of the six supported outputs.

IN

Source Video

MP4, WebM, MOV, AVI and MKV files, up to 500 MB each.

OUT

Converted Video

MP4, WebM, MOV, AVI or MKV, written from your source file.

GIF

Animated GIF

A silent looping image built from the clip, best suited to short excerpts.

Conversion runs on the Bubixo server rather than in your browser, which is why the page asks you to stay open while a large video is processed. A long file naturally takes several minutes.

Use cases

When the File Is Fine but the Format Is Not

Format problems tend to appear at the worst moment: right before an upload, a meeting or a deadline.

Upload Rejected

A form that only accepts MP4 will take your MKV recording once it has been converted.

Editing Software

Bring footage into an editor that refuses to import the container it came in.

Playing on a Phone

Convert an old AVI file into something a modern phone can open without extra apps.

Sharing a Short Clip

Turn a few seconds of video into a GIF that plays inline in a chat or ticket.

Privacy and responsible use

Convert Only Video You Are Allowed to Process

The file you upload is handled on the server to produce the converted copy, so treat it the way you would treat any upload.

  • Upload video you filmed or have permission to process.
  • Avoid uploading footage containing confidential material you do not need converted.
  • The converted file is produced for you to download; download it and keep your own copy.
  • Converting does not change who owns the footage or what you may publish.
  • Check the converted file plays correctly before deleting your original.

⚠ Good to know

What Conversion Can and Cannot Fix

Changing the container does not repair a damaged recording, improve a blurry image or add detail that was never captured. Re-encoding can also cost a little quality, so keep the original file until you are happy with the result.

The upload limit is 500 MB and there is no queue for very long files: a feature-length video is out of scope for this tool. GIF output has no sound and grows quickly in size, so it suits short excerpts rather than whole clips.

Frequently asked questions

Video Format Converter FAQ

Which formats can I convert between?

MP4, WebM, MOV, AVI and MKV, plus GIF as an output. Any supported input can be written to any supported output.

How large can my video be?

Up to 500 MB per file. Larger files need to be trimmed or compressed first.

Do I need to install anything?

No. The whole process happens through the browser, and there is no account to create.

Why does the page ask me to keep it open?

Conversion runs on the server and the page needs to stay open to receive the finished file. Longer videos take longer.

Will converting reduce the quality?

Re-encoding can cost some quality. It is normally not visible for ordinary footage, but keep your original file as the master copy.

Can I convert a video to GIF with sound?

No. GIF is a silent image format, so any audio is dropped when you export to GIF.

Convert Your Video Now

Upload a file of up to 500 MB, choose MP4, WebM, MOV, AVI, MKV or GIF, and download the converted video.

Open the Video Converter →