Convert M4P to FLV — Free Online Converter
Convert iTunes Protected AAC (.m4p) to Flash Video (.flv) online for free. Fast, secure audio conversion with no watermarks or registration....
Secure Transfer
HTTPS encrypted uploads
Privacy First
Files auto-deleted after processing
No Registration
Start converting instantly
Works Everywhere
Any browser, any device
How to Convert
Upload your .m4p file by dragging it into the upload area or clicking to browse.
Choose your output settings. The default settings work great for most files.
Click Convert and download your .flv file when it's ready.
About M4P to FLV Conversion
M4P is an audio-only format from Apple's iTunes Store, while FLV (Flash Video) was Adobe's streaming video container for the Flash Player era (2005-2020). Converting audio-only M4P to FLV produces a Flash container with just an audio stream — no video content. This conversion targets legacy Flash-based media infrastructure that has not yet been decommissioned.
Adobe officially ended Flash Player support in December 2020, and major browsers removed Flash playback entirely. FLV as a format is effectively dead for new projects. However, legacy corporate intranets, archived educational platforms, and some media asset management systems still reference FLV as their accepted input format, creating occasional need for this conversion.
Why Convert M4P to FLV?
Some legacy media asset management systems and corporate intranets built during the Flash era (2005-2015) accept only FLV input. If these systems have not been migrated and you need to add audio content from an iTunes library, wrapping the audio in FLV satisfies the format requirement. This is a pure compatibility fix, not a quality or feature improvement.
FLV also appears in some archival and digital preservation contexts where legacy content collections must maintain their original format standards. If an archive was built around FLV assets, new additions may need to match the container format for consistency in cataloging and playback systems.
Common Use Cases
- Add iTunes audio to legacy Flash-based media asset management systems
- Satisfy FLV input requirements in unreplaced corporate intranet media platforms
- Maintain format consistency in FLV-based media archives when adding new audio content
- Create FLV-wrapped audio for legacy streaming servers still running Flash Media Server
- Package audio from iTunes for archival collections standardized on Flash Video format
How It Works
FFmpeg decodes the AAC audio from the unprotected M4P and remuxes or re-encodes it into an FLV container. FLV natively supports AAC audio, so a stream copy (-c:a copy) may be possible when the AAC profile is compatible with FLV's requirements (AAC-LC). Alternatively, FFmpeg re-encodes to MP3 at 128-320 kbps, which is universally supported in FLV containers. No video stream is generated unless explicitly requested via a static image input.
Quality & Performance
With AAC stream copy, quality is identical to the M4P source — the audio data passes through unchanged inside the new FLV container. With MP3 re-encoding at 192+ kbps, quality is comparable to the M4P source. The conversion is primarily a container change, and audio fidelity depends on whether stream copy or transcoding is used.
Device Compatibility
| Device | M4P | FLV |
|---|---|---|
| Windows PC | Partial | Partial |
| macOS | Partial | Partial |
| iPhone/iPad | Partial | Partial |
| Android | Partial | Partial |
| Linux | Partial | Partial |
| Web Browser | No | No |
Recommended Settings by Platform
Spotify
Resolution: N/A
Bitrate: 320 kbps
OGG Vorbis preferred
Apple Music
Resolution: N/A
Bitrate: 256 kbps
AAC format required
SoundCloud
Resolution: N/A
Bitrate: 128 kbps
Lossless FLAC/WAV for best quality
Podcast
Resolution: N/A
Bitrate: 128 kbps
MP3 mono for spoken word
Tips for Best Results
- 1Use AAC stream copy (-c:a copy) to avoid any quality loss during the container change
- 2Only convert to FLV if you have a specific legacy system requirement — MP4 is better for everything else
- 3Add a static image as a video track if your legacy player requires a video stream in the FLV
- 4Verify DRM removal before conversion; FairPlay-protected M4P files cannot be processed
- 5Consider migrating your FLV-based systems to MP4 or WebM rather than continuing to produce FLV files
M4P to FLV is a legacy compatibility conversion for Flash-era infrastructure. Unless you have a specific system requiring FLV input, modern formats like MP4 or WebM are universally preferred.