Audio Converter
Convert audio files between MP3, WAV, OGG, FLAC and AAC. Runs entirely in your browser — no upload, no limits, free.
Drop an audio file or click to browse
MP3, WAV, OGG, FLAC, AAC, M4A, OPUS, WMA, AIFF
Output Format
All processing happens in your browser — your audio never leaves your device.
About Audio Converter
Audio files come in many formats, each optimized for different purposes. MP3 is the universal standard for sharing music, offering small file sizes with good perceptual quality. WAV is lossless and uncompressed, preferred by audio engineers and digital audio workstations. FLAC provides lossless compression — smaller than WAV but with zero quality loss, ideal for archiving. OGG Vorbis is an open-source alternative to MP3 that many games and web applications use. AAC is favored by Apple and delivers better quality than MP3 at the same bitrate.
Our Audio Converter handles all of these formats using FFmpeg compiled to WebAssembly, which means it runs entirely in your browser at near-native speed. No audio file is uploaded to a server. This matters for musicians sharing unreleased tracks, businesses processing sensitive recordings, and anyone who values privacy. The conversion happens on your device and the result downloads directly.
The tool is particularly useful for musicians and content creators who receive audio in one format and need it in another for their workflow — for example, converting a client's MP3 into WAV for editing in a DAW, or compressing a studio FLAC to MP3 for delivery.
How to Use Audio Converter
- 1Click "Choose File" and select the audio file you want to convert from your device.
- 2Select the output format from the dropdown — MP3, WAV, OGG, FLAC, or AAC.
- 3Click "Convert" and wait for the FFmpeg WebAssembly engine to process the file in your browser.
- 4Click "Download" to save the converted file once processing is complete.
Use Cases
- →Convert MP3 files to WAV for audio editing in a DAW like Audacity, Logic Pro, or Ableton
- →Compress lossless FLAC recordings to MP3 for sharing or streaming
- →Convert audio to OGG format for use in web games or browser-based applications
- →Archive important recordings in FLAC for long-term lossless storage
- →Convert AAC files from Apple devices to a more universally compatible format
- →Prepare audio files at the correct format for a podcast hosting platform
Tips
- ✓WAV and FLAC are lossless formats — converting between them preserves 100% of the audio data
- ✓Converting a lossy format (MP3) to lossless (WAV/FLAC) does not recover lost quality
- ✓OGG Vorbis is a great open-source alternative to MP3 with comparable quality at lower bitrates
- ✓FLAC is ideal for archiving original recordings — pair it with external storage for backups
- ✓MP3 at 320 kbps is indistinguishable from lossless for most listeners in A/B tests
- ✓Large audio files may take longer to process since conversion runs entirely in your browser
Frequently Asked Questions
Input: MP3, WAV, OGG, FLAC, AAC, M4A, OPUS, WMA, AIFF and most common audio formats. Output: MP3 (192 kbps), WAV (uncompressed), OGG Vorbis, FLAC (lossless) and AAC (192 kbps). The conversion engine is FFmpeg, which supports virtually every audio format in existence.
No. Everything happens entirely in your browser using WebAssembly. Your audio file never leaves your device. There are no upload limits, no privacy concerns, and no file size restrictions beyond what your computer's memory can handle.
The first conversion downloads the FFmpeg WebAssembly engine (~25 MB) from a CDN. This only happens once — your browser caches it automatically. Subsequent conversions start immediately without any download.
Lossy formats (MP3, OGG, AAC) compress audio by discarding inaudible frequencies, reducing file size significantly at the cost of some quality. Lossless formats (WAV, FLAC) preserve the original audio data exactly. FLAC applies lossless compression, so files are smaller than WAV but still bit-perfect.
MP3 for universal compatibility (music players, streaming). WAV for professional editing or archiving (uncompressed). FLAC for high-quality archiving with smaller files than WAV. OGG for open-source projects and web use. AAC for Apple devices and modern streaming platforms.
There is no enforced limit. However, very large files (over 1–2 GB) may be slow to process since everything runs in the browser. For most audio files (up to a few hundred MB), conversion completes in seconds to minutes depending on your device.