Convert Audio Files Online - Free & Private

Convert audio files between MP3, WAV, OGG, Opus, AAC, M4A, FLAC, WebM, and AIFF formats. Upload your files, select output format and quality settings, then download instantly. 100% browser-based conversion - your audio never leaves your device.

Drop audio files here or click to browse

Supported: MP3, WAV, OGG, Opus, AAC, M4A, FLAC, WebM, AIFF, WhatsApp

Settings

Output Format

MP3

Universal playback on all devices and players. Best for sharing and streaming.

WAV

Uncompressed audio with maximum quality. Ideal for editing and production.

OGG

Open-source format with excellent compression and quality balance.

Opus

Modern codec optimized for voice, podcasts, and real-time streaming.

AAC

High-quality audio for Apple devices, Android, and web browsers.

M4A

iTunes and Apple ecosystem compatible. AAC audio in MP4 container.

FLAC

Lossless compression preserving original quality. 50-60% smaller than WAV.

WebM

Web-optimized format for HTML5 audio and video embedding.

AIFF

Apple uncompressed audio format for professional audio production.

Quality

Processed locally in your browser

How to Convert Audio Files

1.Drag and drop audio files or click to browse your device
2.Select your desired output format (MP3, WAV, FLAC, etc.)
3.Choose quality level and click "Convert"
4.Download converted files instantly to your device

Conversion runs entirely in your browser using FFmpeg WebAssembly. Your files stay on your device - nothing is uploaded to any server.

Privacy-First Audio Conversion

Your audio files never leave your device. All conversion processing happens locally in your browser using JavaScript and WebAssembly technology.

Perfect for sensitive recordings, business calls, legal interviews, medical dictations, and any confidential audio requiring maximum privacy protection.

No server uploads - No data collection - 100% GDPR compliant

Supported Audio Formats

Input formats: MP3, WAV, OGG, Opus, WebM, AAC, M4A, FLAC, AIFF, WhatsApp voice messages (.waptt, .opus)

Output formats: MP3, WAV, OGG, Opus, AAC, M4A, FLAC, WebM, AIFF

No file size limits, no watermarks, no account registration. Free unlimited audio conversion for personal and commercial use.