Fast container change
Compatible tracks are copied instead of re-encoded, so the output can finish much faster than a full conversion.
Browser container tool
Video Remuxer
Local fileCopy tracksContainers
Change a local video container to MP4, MOV, WebM, or MKV while copying compatible tracks without re-encoding.
Source video
Choose a file
Best for common H.264, HEVC, AAC, and broadly compatible playback.
Mode
Copy when compatible
Best for
Common playback
How it works
Three steps to finish the browser workflow.
Upload Your File
Choose the source file for Video Remuxer from your device.
Adjust Settings
Review the preview and tune the options for the result you want.
Preview and Download
Check the finished result, then download the exported file.
Everything you need
Core details about privacy, browser support, output, and practical limits before you start.
MP4, MOV, WebM, MKV
Pick the container that matches your playback target and source codec combination.
Local browser workflow
The selected media stays in this browser session and is not uploaded to ArtPlayer servers.
Frequently asked questions
Find quick answers about privacy, browser support, exports, and what to try when a file is heavy.
Related tools
Continue editing with nearby ArtPlayer tools that work with the same local, browser-first workflow.
Normalize Video
Repair MP4 timing, duration, seeking, and fast-start playback metadata in the browser.
Video Converter
Convert video to MP4, WebM, GIF, or MP3 without sending the file to a server.
Inspect Metadata
Inspect media format, tracks, codecs, duration, and tags locally with browser-native parsing.