Convert FLV to M4V
Convert FLV files to M4V locally, completely free and with maximum privacy.
Drag and drop your files here
or click to browse local files (large files supported, limited only by browser RAM)
Upload FilesPlatform Statistics
How to convert FLV to M4V
- Drop your .flv files above, or click Upload Files. You can add many files at once.
- M4V is already selected as the output. Open the settings (gear icon) to fine-tune the result.
- Click Convert All. FFmpeg runs inside your browser through WebAssembly; nothing is uploaded.
- Download your .m4v files as soon as each one finishes.
What to know about FLV to M4V conversion
- The video is re-encoded to H.264 video and AAC audio so it plays wherever M4V is supported, and odd frame sizes are adjusted automatically.
- You can change the resolution, frame rate, playback speed and quality (CRF) before converting.
FLV vs M4V
| Feature | FLV (Flash Video) | M4V (Apple MPEG-4 Video) |
|---|---|---|
| Codecs used by PureConverter | H.264 video and AAC audio | H.264 video and AAC audio |
| Best for | legacy Flash-based players and old streaming setups | iTunes and Apple TV libraries |
| Opens in | VLC, mpv and most media players | Apple TV app, iTunes and VLC, mpv and most media players |
FLV (Flash Video): A legacy streaming video container popularised by Adobe Flash Player.
M4V (Apple MPEG-4 Video): An MPEG-4 video container used by Apple for iTunes and iOS devices.
Conversion options
- Resolution: original, 1080p, 720p, 480p or 360p
- Frame rate and playback speed (0.5× to 2×)
- Quality presets or a custom CRF value, and lossless mode
- Audio bitrate, sample rate and channels
Frequently asked questions
Is it safe to convert FLV to M4V here?
Yes. Your files are processed entirely on your own device by WebAssembly code running in the browser. They are never uploaded, so nobody else can see them, and the converter keeps working even if your connection drops after the page loads.
Is there a file size limit?
There is no server-side limit. The only limit is the memory available to your browser, typically 1.5–4 GB on desktop computers.
Can I convert several FLV files at once?
Yes. Add as many files as you like; they are converted in parallel according to your device's CPU cores, and you can apply the same settings to all of them.
Related conversions
Need the opposite? Convert M4V to FLV.
Convert FLV to other formats
- FLV to MP4
- FLV to MP3
- FLV to WEBP
- FLV to GIF
- FLV to WAV
- FLV to MOV
- FLV to M4A
- FLV to FLAC
- FLV to WEBM
- FLV to MKV
- FLV to AAC
- FLV to OGG
Convert other formats to M4V
- MP4 to M4V
- MOV to M4V
- WEBM to M4V
- MKV to M4V
- AVI to M4V
- WMV to M4V
- MPEG to M4V
- TS to M4V
- 3GP to M4V
- OGV to M4V
See every FLV converter and M4V converter, or browse the full converter directory.