Free Zamzar Alternative — No Email, No File Limit
Free Zamzar alternative for audio conversion. No email required, no file size limits, no waiting. Convert audio files instantly in your browser.
Zamzar is one of the oldest online conversion services — but it requires your email to deliver converted files, limits free users to 50MB files, and adds waiting times. Our alternative converts audio instantly in your browser with no email, no file limits, and no waiting.
Drop audio to convert
MP3, WAV, OGG, FLAC, AAC • Max 100MB
How It Works
This tool uses FFmpeg compiled to WebAssembly to perform professional-grade audio conversion entirely in your browser. The FFmpeg engine loads once (~30MB) and stays cached for instant conversions on return visits.
Select your target format (MP3, WAV, OGG, FLAC, AAC, M4A), optionally adjust bitrate and sample rate, then convert. The tool handles codec transcoding, metadata preservation, and format-specific optimizations automatically.
Features
- ✓Convert between MP3, WAV, OGG, FLAC, AAC, and M4A formats
- ✓Adjustable bitrate (64kbps to 320kbps) and sample rate settings
- ✓FFmpeg-powered — professional codec support
- ✓Handles files up to 100MB
- ✓Audio trimming with start/end time controls
- ✓Preserves ID3 tags and metadata where supported