M4V Viewer
Listen to M4V files straight in your browser window
Pick your files
Drop your files here for studio-clarity conversion
*Files deleted after 24 hours
M4V Viewer: How to play M4V files
1. Click the upload button or drag your M4V file
2. Wait for the M4V file to load
3. Click play to start playback
4. Use the controls to pause, seek, or adjust volume
M4V Viewer FAQ
How do I play a M4V file in my browser?
Drop your M4V file onto the player. When your browser can decode M4V, it plays right away with no plugin; when it cannot, the page says so and links to a converter.
Which video and audio codecs inside M4V are supported?
The player uses your browser's native decoders, so common M4V codecs (H.264/AVC, and where the browser supports it H.265/HEVC, VP9, or AV1) play directly.
Does the M4V player support multiple audio tracks?
No. The player has no audio track selector; it plays the track your browser picks, usually the first one.
Can I load subtitles with a M4V video?
No. The player has no option to load SRT or VTT subtitle files.
Why does my M4V video play but have no sound?
Usually the M4V file uses an audio codec your browser can't decode (e.g. certain AC-3/DTS tracks). Convert the audio track or the whole M4V to a web-friendly codec.
Is my M4V file uploaded anywhere?
No. Your M4V file is decoded locally in the browser and never leaves your device.
Does the M4V player work on mobile?
It works in mobile browsers that can decode M4V and the codecs inside it. Where a browser cannot, the page says so and links to a converter.
Can I seek and scrub through a large M4V file smoothly?
Yes. M4V stores seek indexes, so the player can jump to any point quickly even in long, high-bitrate files.
Can I adjust playback speed for M4V?
The player has no playback speed control of its own. Your M4V file is never changed.
My M4V file won't play at all — what should I check?
Confirm the M4V isn't using an exotic codec your browser lacks. Converting the M4V to H.264/AAC MP4 maximizes compatibility.
Do I need an account or app to play M4V?
No. The M4V player is free, installs nothing, and works immediately in the browser.
Can I convert or compress M4V here?
Yes. After previewing you can compress, trim, or convert your M4V to MP4, MKV, WebM, MOV, and more.
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MP4 Viewer
Free online MP4 player. Listen to MP4 files straight in your browser window.
MOV Viewer
Free online MOV player. Listen to MOV files straight in your browser window.
MKV Viewer
Free online MKV player. Listen to MKV files straight in your browser window.
WebM Viewer
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AVI Viewer
Free online AVI player. Listen to AVI files straight in your browser window.
