Convert FLV to AAC — Free Online Converter
Convert Flash Video (.flv) to Advanced Audio Coding (.aac) online for free. Fast, secure video conversion with no watermarks or registration.
Conversion settings — add a file to adjust
About FLV to AAC Conversion
FLV files from the Flash Video era frequently contain audio encoded as MP3 at 44.1 kHz or AAC-LC within Adobe's proprietary container. AAC (Advanced Audio Coding) is the successor to MP3, delivering superior sound quality at equivalent bitrates thanks to its modified discrete cosine transform and temporal noise shaping. Converting FLV to AAC extracts the audio layer and outputs it in a widely compatible format recognized by iOS, Android, iTunes, and every major streaming platform.
Why Convert FLV to AAC?
You may have FLV recordings — lectures, music performances, podcasts — where only the audio matters. Extracting to AAC gives you a compact, high-fidelity audio file without the video overhead. AAC at 128 kbps matches or exceeds MP3 at 192 kbps in perceptual listening tests. Since Apple adopted AAC as the default iTunes format in 2003, compatibility is universal across modern devices.
Common Use Cases
- Extracting lecture audio from FLV screen recordings downloaded from early e-learning platforms
- Ripping music performances from Flash-based concert streams for personal listening playlists