Free Online Audio Converter
Convert between 7 audio formats — no signup, no watermark
Pick the format you have, then choose what to convert it to. Every converter below runs in your browser — no software install, no account required. Supported audio formats: MP3, WAV, FLAC, AAC, OGG, M4A, AIFF.
Convert from MP3
6 target formatsMP3 is the most popular audio format in the world. It uses lossy compression to deliver small file sizes with reasonable quality, and works on virtually every device, app and platform ever made.
Convert from WAV
6 target formatsWAV is an uncompressed audio format that preserves the original recording bit-for-bit. It's the gold standard for audio editing, mastering and archival work where every detail of the sound matters.
Convert from FLAC
6 target formatsFLAC is an open-source lossless audio format that compresses files by 30–60% with zero quality loss. It's the favorite of audiophiles and music archivists who want CD-quality sound without the bulk of WAV.
Convert from AAC
6 target formatsAAC is the successor to MP3, offering better sound quality at the same bitrate. It's the default format for iTunes, YouTube, and most streaming services — a sweet spot between size and fidelity.
Convert from OGG
6 target formatsOGG (Vorbis) is an open-source lossy audio format that outperforms MP3 at similar bitrates. It's a favorite for open-source projects, gaming, and Wikipedia audio thanks to being completely royalty-free.
Convert from M4A
6 target formatsM4A is the audio-only counterpart of MP4, typically containing AAC-encoded audio. It's the default audio format for Apple's ecosystem — iTunes, Apple Music, and iPhones all use M4A by default.
Convert from AIFF
6 target formatsAIFF is Apple's uncompressed audio format, equivalent to WAV but with better metadata support. It's the standard for professional audio work on macOS and a common output of Logic Pro and Final Cut.