Convert Flash Video (.f4v) to Audio Video Interleave (.avi) online for free. Fast, secure video conversion with no watermarks or registration.
Conversion settings — add a file to adjust
Upload your .f4v 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 .avi file when it's ready.
F4V is Adobe's MPEG-4 based Flash video format that stores H.264 video and AAC audio. AVI (Audio Video Interleave) is Microsoft's classic multimedia container, introduced in 1992, which interleaves audio and video data chunks in a RIFF-based structure. Converting F4V to AVI moves Flash video content into the long-established Microsoft container format, which remains widely supported by legacy video editing software, hardware media players, and industrial video systems.
AVI is the required input format for many older video editing applications (early Adobe Premiere, Pinnacle Studio, Windows Movie Maker) and hardware devices (standalone DVD players with USB input, industrial display systems, surveillance DVRs). Converting F4V to AVI ensures compatibility with these legacy systems that do not understand the Flash or modern MP4 container format. AVI also works well when you need to deliver uncompressed or lightly compressed video for editing without generation loss.
FFmpeg re-encodes the F4V's H.264 stream using the selected AVI-compatible codec — typically MPEG-4 ASP (DivX/Xvid compatible) or Motion JPEG for editing workflows. Audio is transcoded from AAC to MP3 or PCM depending on the use case. The AVI container uses a fixed-frame-rate model, so variable frame rate content from F4V is normalized. The OpenDML extension (AVI 2.0) is used for files exceeding the original 2 GB AVI limit.
Quality depends on the codec chosen for the AVI output. MPEG-4 ASP (Xvid) at matched bitrate produces quality comparable to the H.264 source. Motion JPEG preserves per-frame quality ideal for editing but produces large files. PCM audio in AVI provides lossless audio transfer. At equivalent bitrates, H.264 (in the F4V) is more efficient than MPEG-4 ASP, so you may need to increase the AVI bitrate slightly to match perceived quality.
| Device | F4V | AVI |
|---|---|---|
| Windows PC | Partial | Native |
| macOS | Partial | Partial |
| iPhone/iPad | Partial | Partial |
| Android | Partial | Partial |
| Linux | Partial | Partial |
| Web Browser | No |
Resolution: 1920x1080
Bitrate: 8-12 Mbps
H.264 recommended for fast processing
Resolution: 1080x1080
Bitrate: 3.5 Mbps
Square or 9:16 for Reels
Resolution: 1080x1920
Bitrate: 4 Mbps
9:16 vertical, under 60s ideal
Resolution: 1280x720
Bitrate: 5 Mbps
Under 140s, 512MB max
Resolution: 960x540
Bitrate: 2 Mbps
16MB limit for standard, 64MB for document
Resolution: 1280x720
Bitrate: 4 Mbps
F4V to AVI conversion bridges Flash video and legacy Microsoft ecosystems. Choose this conversion when your software or hardware specifically requires the AVI container format.
Biztonsagos atvitel
HTTPS titkositott feltoltes
Adatvedelmi prioritas
A fajlok feldolgozas utan automatikusan torlodnek
Regisztracio nem szukseges
Azonnal kezdhet konvertalni
Mindenhol mukodik
| No |
8MB free, 50MB Nitro
Barmely bongeszo, barmely eszkoz
| Jellemzo | F4V | AVI |
|---|---|---|
| Teljes nev | Flash MP4 Video | Audio Video Interleave |
| Kiterjesztes | .f4v | .avi |
| Leginkabb ajanlott | MPEG-4 based | Windows native |