A desktop-grade audio converter for Windows
Audio is the workflow where bulk matters most. A music library is thousands of tracks; a podcast season is dozens of files; a voice-note backup is hundreds of clips. Cloud converters charge per minute or cap free use, and re-encoding lossless audio in a browser uploader is painful.
File Converter Pro runs the LAME, FLAC and Opus encoders locally on Windows with full ID3 / cover-art / ReplayGain support. The queue handles 5,000-track libraries in a single batch, on your CPU, with no upload.
Supported formats
- MP3 — universal lossy format with full ID3v2 metadata support.
- WAV — uncompressed PCM for studio recording and editing.
- FLAC — lossless compression, half the size of WAV with bit-perfect quality.
- AAC / M4A — Apple-favored lossy codec, slightly cleaner than MP3 at the same bitrate.
- OGG — Vorbis codec, royalty-free, common in games and Linux ecosystems.
Popular conversions
WAV to MP3
Studio recordings to small distribution files for podcasts and music.
FLAC to MP3
Shrink lossless music to phone-ready files at 5-10× smaller size.
AAC to MP3
Older car stereos and MP3 players need MP3, not AAC. Re-encode at 256 kbps.
M4A to MP3
iTunes downloads and voice memos to universal MP3.
OGG to MP3
Vorbis OGG to broad-compatibility MP3 for legacy players.
MP3 to WAV
Decompress MP3s to PCM for editing in DAWs and audio software.
Why choose File Converter Pro for audio conversion
- Stays offline. Studio masters, unreleased songs and confidential recordings never upload anywhere.
- No file-count limit. Encode a 5,000-track library in one queue.
- Full tag support. ID3v2.3 / 2.4, Vorbis comments, MP4 atoms — read and written across formats.
- Cover art preserved. JPG / PNG embedded art carries between formats automatically.
- ReplayGain. Apply consistent loudness across the library in the same encoding pass.
- Multi-core encoding. Modern laptops process a 12-track album in seconds.
Real-world workflows
Podcasters encode a season’s worth of WAV recordings to MP3 at 96-128 kbps with consistent ID3 tags and cover art template — ready for RSS distribution.
Music collectors convert FLAC libraries to V0 VBR MP3 for phone sync — folder structure mirrored, ReplayGain applied, ~80 % smaller files.
Audiobook fans transcode AAC / M4A purchases to MP3 for older car stereos and MP3 players, with chapter splitting where supported.
Game and indie developers convert OGG Vorbis to WAV for editing in DAWs, then re-encode to the engine’s preferred format for shipping.
FAQ
What MP3 bitrate is the right default?
V0 VBR (averages ~245 kbps) is the smartest setting — audibly transparent on quality headphones while keeping files small. 256 kbps CBR is the predictable-size alternative; 320 kbps CBR is archival-grade.
Will tags and cover art transfer between formats?
Yes. The app maps ID3v2 (MP3), Vorbis comments (FLAC, OGG), and MP4 atoms (M4A, AAC) automatically. Embedded JPG / PNG cover art carries across without re-encoding the image.
Can I batch-convert a 5,000-track music library?
Yes. Drop your library root folder and the app processes every track in one queue — multi-core encoding, mirrored folder structure on output, skip-existing-siblings for incremental re-encodes.
Is audio conversion offline?
Yes. Encoding runs locally on your Windows PC using LAME, FLAC and Opus encoders. Music libraries, podcast masters and voice memos never leave your computer.
Start converting now
Install File Converter Pro from the Microsoft Store and convert your audio library locally — full encoder control, full tag support, no upload.