🎵 Audio Converter
Convert M4A to FLAC — Free & Private
Convert M4A to FLAC to archive your Apple audio files in a universal lossless format.
✓ Free forever✓ No upload✓ No signup✓ Instant
Ready to convert your M4A?
100% in your browser · No file size limit · No account needed
How to Convert M4A to FLAC
1
Open the Converter
Click "Convert Now" to open the audio converter with M4A → FLAC pre-selected.
2
Upload Your M4A
Drag & drop your M4A file or click Browse to select it.
3
Convert Instantly
FFmpeg.wasm processes your audio entirely in the browser — nothing uploaded.
4
Download FLAC
Your converted FLAC file downloads automatically when ready.
Why Convert M4A to FLAC?
- 🎵 From M4A — convert Apple M4A files to universally compatible audio
- 💎 Lossless quality — FLAC preserves every sample bit-for-bit
- 📦 40–60% smaller than WAV — lossless compression, zero quality loss
- 🎧 Audiophile-grade — supported by Plex, Kodi, Foobar2000, and VLC
- 🌍 Widely supported — plays natively on Android and most modern devices
- 🔒 100% private — files never leave your device
Features
100% Private
Files never leave your browser. Powered by FFmpeg.wasm.
Instant
In-browser processing — no server queue, no waiting.
Free
No account, no fee, no watermarks. Ever.
Quality Preserved
Converts at the highest quality settings by default.
Mobile-Friendly
Works on any device — phone, tablet, desktop.
No Install
Nothing to download. Works in any modern browser.
Frequently Asked Questions
Yes — FLAC uses lossless compression so every bit of the original audio is preserved. The decoded output is identical to the source.
No — FLAC cannot recover quality already lost in lossy compression. It's best when converting from WAV or another lossless source.
Yes — 100% free, no limits, no watermarks, no account needed. Convertlo runs entirely in your browser.
No. Conversion happens locally using FFmpeg.wasm in your browser. Your files never leave your device.
Audio files convert one at a time to prevent memory issues with FFmpeg.wasm. Each file processes in sequence.