Audio Format Converter

Drop in an MP3, WAV, FLAC, AAC, OGG, M4A, or WMA file, pick your target format and bitrate, and get a converted file back in seconds. Everything runs in your browser, so nothing is uploaded to a server.

Drop your audio here or browse

MP3, WAV, FLAC, AAC, OGG, M4A, WMA — max 100MB

6+Audio Formats

LocalProcessing

NoQuality Loss

How It Works

Upload your audio file
Choose output format
Download converted file

Tips for Best Results

FLAC and WAV for lossless quality
MP3 for smallest file size
Choose bitrate for lossy formats

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Why Choose Our Audio Format Converter

7 Formats Covered

MP3, WAV, FLAC, AAC, OGG, M4A, and WMA are all supported as both input and output. Whether you need a compressed file for streaming or a lossless copy for your DAW, the right format is a click away.

Converts in Your Browser

The entire conversion runs locally using WebAssembly codecs. Your audio never leaves your machine, which means there are no upload delays and no privacy concerns regardless of what the file contains.

You Control the Quality

Converting to FLAC or WAV produces a lossless copy at full resolution. Converting to MP3 or AAC lets you pick the bitrate, so you can balance file size against audio quality for your specific use case.

No Queue, No Wait

Because conversion happens locally in the browser, there is no server queue. Short files convert in under a second; a full-length album track takes a few seconds at most.

Perfect For

Music Libraries Podcast Distribution Audio Archiving Device Compatibility Streaming Platforms DJ Sets Audio Production File Optimization

Powered by WebAssembly Codecs

Client-Side Audio Decoding and Encoding

The converter decodes your source file using the Web Audio API, then re-encodes it to the target format using compiled WebAssembly codec libraries. The entire pipeline runs in your browser tab with no round-trip to any server.

Bitrate, sample rate, and channel configuration are exposed as options so you get exactly the output you need, whether that is a compact 128 kbps MP3 for a web player or a full-resolution 24-bit WAV for a production session.

Frequently Asked Questions

Select your source file (MP3, WAV, FLAC, AAC, OGG, M4A, or WMA), choose the output format and bitrate, then click Convert. The browser decodes the original audio and re-encodes it to the new format using WebAssembly codecs running entirely on your device. When it is done, a download link appears immediately.

Input formats: MP3, WAV, FLAC, AAC, OGG, M4A, and WMA. You can convert to any of those same formats as output. For the cleanest result when converting to a lossy format like MP3, start from the highest quality source you have, ideally WAV or FLAC.

The converter accepts files up to 100 MB. That covers the vast majority of songs, podcast episodes, and voice recordings. Because conversion runs in the browser rather than uploading to a server, large files close to that limit will take a bit longer for the browser to decode, but the size cap is the only hard limit.

A typical three-minute song converts in two to five seconds on a modern device. Longer files or conversions to lossless formats may take a bit more. A progress bar shows you where things stand while the codec is working.

Nothing is uploaded. The conversion runs entirely in your browser using local compute, so your audio never passes through any server. Once you close the tab, the file is gone from memory.

Output quality depends on the format and bitrate you choose. Converting to WAV or FLAC produces a lossless copy that is bit-for-bit accurate to the decoded source. Converting to MP3 or AAC at 320 kbps is indistinguishable from the original for most listeners and is appropriate for streaming, podcast publishing, or video soundtracks.

The converter changes the container and codec of your file. It does not create new content or claim any rights to the output. Whatever rights you had in the original file carry over to the converted version unchanged.

No. You pick a file, pick a format, and click Convert. If you want to go deeper, you can set the bitrate, sample rate, and channel count manually, but the defaults work well for most situations.

Desktop software like Audacity or Adobe Audition can convert formats, but doing so requires installing the application, importing the file, setting export options, and waiting for a render. Here you get the same output in a browser tab in a few seconds, with no installation and no account required to use the converter itself.

The converter handles one file at a time. Download the converted file, then load the next one. Each conversion runs independently, so there is no interference between files.

Free Audio Format Converter: MP3, WAV, FLAC, AAC Online vs Other Methods

Feature	Luxoret AI	Manual / Traditional	Other Tools
Speed	Results in seconds	Hours in a studio	Minutes per track
Equipment	Just a browser	Professional studio gear	Desktop app required
Skill Required	None — fully automated	Audio engineering skills	Some learning curve
Quality	Professional AI output	Depends on engineer skill	Basic quality
Format Support	MP3, WAV, and more	Varies by studio	Common formats only