MP4 to M4V Converter
Convert MP4 to M4V using your browser's own media codecs — no upload, no watermark, no size limit. Drop a MP4 file below — the whole conversion runs on your device.
Drop files, or click to browse
MP4 files only — processed one at a time
Frequently asked questions
Is this MP4 to M4V converter free?+
Yes, with no watermark and no account. The engine runs locally in your browser, so there's no server queue limiting usage.
Is my video uploaded to a server?+
No. Orbfile uses your browser's own built-in media codecs (via the WebCodecs API and Mediabunny), so encoding happens entirely on your device.
How long will it take?+
It depends on your device and the video's length and resolution — expect roughly real-time to a few times real-time for typical clips.
Is there a maximum file size?+
There's no fixed upload limit — since everything runs on your device, the practical limit is your browser's available memory, which handles typical clips and even fairly long recordings without issue.
How do I convert MP4 to M4V?+
Drop your MP4 file into the box above — Orbfile re-encodes it to M4V using your browser's own codecs and gives you a download link when it's done.
About MP4 and M4V
What is MP4?
MP4 (usually carrying H.264 video) is the most widely compatible video container — it plays on essentially every phone, browser, and TV.
Full MP4 format guide →What is M4V?
M4V is Apple's video variant of the MP4 container, used by iTunes for movies and TV show downloads.
Full M4V format guide →MP4 and M4V solve different problems. MP4 is great for sharing, but M4V pulls ahead when you need plays natively in Apple's ecosystem. If that's the situation you're in, converting is worth it.
How it works
- 1
Drop your file in
Drag your video onto the box above, or click it to browse — there's no account to create and no upload to wait on.
- 2
Pick your settings
The output format is already set for this page — just adjust any extra options shown, if there are any.
- 3
Download the result
Your browser processes everything locally and hands you a download link the moment it's done — nothing was ever sent to a server.
Is it private?
Everything happens locally, inside this browser tab. Your video is read from disk, processed with WebAssembly running on your own device, and handed back to you as a download — it's never transmitted anywhere, so there's nothing to intercept and nothing stored on a server.
Common use cases
- Content downloaded through Apple's ecosystem
- Uploading a clip to social media
- Sending a video over email or chat
- Freeing up storage on a phone or laptop
Supported formats
This is one of many pairings the video toolkit handles. In total it covers:
Related conversions
Format details
About MP4 files+
MP4 (usually carrying H.264 video) is the most widely compatible video container — it plays on essentially every phone, browser, and TV.
MP4 is a container format standardized under MPEG-4, meaning the file itself is really a wrapper that most often holds H.264-encoded video alongside AAC audio. That specific combination struck a balance efficient enough for streaming and broad enough to be adopted everywhere, which is why it's the format cameras, phones, editors, and social platforms converge on as a safe default. It isn't always the smallest or most efficient option available — newer codecs inside newer containers can do better — but nothing beats it for guaranteed playback.
How to open a MP4 file
Opens readily in Any web browser, Any modern phone, TV, or media player. For real editing, use Adobe Premiere Pro, DaVinci Resolve, iMovie.
Good for
- maximum device and platform compatibility
- good compression-to-quality ratio
Watch out for
- not the smallest option available for the same visual quality
About M4V files+
M4V is Apple's video variant of the MP4 container, used by iTunes for movies and TV show downloads.
M4V is, structurally, almost identical to MP4 — Apple created the distinct extension mainly to mark content sold or rented through iTunes, occasionally with added copy protection (FairPlay DRM) for purchased movies and TV shows. Because it shares MP4's underlying structure, unprotected M4V files play in nearly anything that reads MP4; the friction only shows up with DRM-protected downloads, which are tied to an Apple account.
How to open a M4V file
Opens readily in QuickTime Player, iTunes/Apple TV app, Most modern media players. For real editing, use Final Cut Pro, Adobe Premiere Pro.
Good for
- plays natively in Apple's ecosystem
Watch out for
- occasionally needs converting for non-Apple video players
Need a different format? Try the full Video Converter, or explore all video tools.