Free Online Audio Converter
Convert audio files across all major formats directly in your web browser. Fast, 100% private, and with adjustable bitrates, sample rates, and trimming.
How do I convert audio files online without installing software or uploading data?
BrowserConvert provides a client-side audio conversion engine compiled to WebAssembly. Drag and drop your audio files into the converter below, choose your desired output format (MP3, WAV, M4A, FLAC, OGG, OPUS), adjust your bitrate or sample rate in Advanced Settings, and download the converted audio instantly. Your files are processed in local memory and never uploaded to any remote server.
Drop your audio files here to convert
MP3, WAV, M4A, FLAC, AAC, OGG, OPUS, WMA, AIFF • Up to 1 GB
Dedicated Conversion Hubs
Choose a dedicated conversion pipeline with pre-tuned parameters for your workflow.
Extract MP3 audio from MP4 video clips
Convert studio WAV recordings to portable MP3
Convert Apple Voice Memos and iTunes songs
Extract audio from iPhone QuickTime recordings
Decompress MP3 to 16-bit PCM WAV for DAWs
Convert audiophile FLAC albums to MP3 320k
Convert game assets and WhatsApp notes to MP3
Convert Discord voice and VoIP audio to MP3
Convert Advanced Audio Coding to universal MP3
How to Convert Audio Files with BrowserConvert
Upload Your Tracks
Click “Choose Files” or drag your audio tracks into the dropzone. You can add multiple files to convert in a single batch.
Select Output Settings
Pick your target format (MP3, WAV, M4A, FLAC, etc.). Expand Advanced Settings to configure bitrates from 64 kbps to 320 kbps or trim start/end timestamps.
Instant Local Download
Click Convert to process files sequentially in memory. Download each track individually or save all files in a single organized ZIP package.
Frequently Asked Questions About Audio Conversion
What audio formats can I convert between?
BrowserConvert supports converting between MP3, WAV, M4A, AAC, FLAC, OGG, and OPUS. You can also import legacy formats like AIFF and WMA.
How do I choose the best audio format?
Choose MP3 for universal playback on any device, WAV for uncompressed studio-quality audio editing, M4A for Apple devices, and FLAC for lossless archive quality with reduced file size.
Is there any quality loss during audio conversion?
Converting between lossy formats (such as MP3 to M4A or vice versa) involves re-encoding, which can cause minor fidelity loss. Converting from a lossless format (like WAV or FLAC) to a high-bitrate MP3 (320 kbps) preserves near-indistinguishable quality.
Can I convert multiple files at once?
Yes. You can upload multiple audio files in a single batch. BrowserConvert converts them sequentially and allows you to download all results individually or as a single ZIP file.