AUDIO Runs entirely in your browser

Free online audio converter

Drop in an MP3, WAV, AAC, FLAC, OGG or M4A and re-encode it in seconds. Choose your format and bitrate — nothing is uploaded, everything happens on your device.

No uploadNo sign-upNo watermarkUnlimited files

Drop an audio file here

or click to choose from your device

Choose audio

MP3 · WAV · AAC · FLAC · OGG · M4A · OPUS

Files are decoded and converted locally with the Web Audio API. Nothing leaves your browser.

How it works

Convert audio in three steps

Add your file

Drag an audio file onto the box above or click to browse. It’s decoded instantly in your browser — no waiting on an upload.

Pick format & quality

Choose MP3 or WAV, set the bitrate, and switch to mono if you want a smaller file. Every choice re-encodes from the original.

Download

Preview the result in the built-in player, then download. Convert as many files as you like — it’s completely free.

Why use it

Built for creators who care about their files

100% private

Your audio never touches a server. Decoding and encoding happen on your own device, so sensitive recordings stay yours.

Instant, no queue

There’s no upload bar and no processing queue. Files convert as fast as your machine can encode them.

Control the quality

Dial in the exact MP3 bitrate — from lean 128 kbps to full 320 kbps — or export lossless WAV for editing.

No limits or logins

No file caps, no watermarks, no account. Use it as often as you need, on desktop or mobile.

Formats

Which audio format should you use?

The converter reads all the common formats below and exports to MP3 or WAV — the two that play everywhere.

Format

Type

Best for

MP3

Lossy

Sharing, podcasts, music — tiny files that play on every device.

WAV

Lossless

Editing and mastering — full quality, large files, universal support.

AAC / M4A

Lossy

Apple devices and streaming — better quality than MP3 at the same size.

FLAC

Lossless

Archiving — perfect quality at about half the size of WAV.

OGG

Lossy

Open-source projects, games and web audio.

Good to know

Converting audio, the private way

Most online converters ask you to upload your file to a server, wait in a queue, and trust that the file is deleted afterwards. This one works differently. It uses the browser’s built-in Web Audio API to decode your file and re-encode it right on your device — the audio data never leaves the page.

MP3 vs WAV — which do I pick?

Choose MP3 when you want a small, shareable file: a good default is 192 kbps, while 320 kbps is near-transparent for music. Choose WAV when you need uncompressed audio for further editing, or when a tool or platform specifically asks for it. Note that converting a lossy file (like an MP3) to WAV won’t restore quality that was already lost — it just stops any further compression.

When should I switch to mono?

Mono roughly halves the file size and is perfect for voice — podcasts, voiceovers, interviews and audiobooks. Keep stereo for music and anything with a spatial mix.

FAQ

Frequently asked questions

Is the audio converter really free?

Yes — completely free, with no account, no file limits and no watermarks. It’s part of Creator Studio, a suite of browser-based tools for creators.

Are my files uploaded anywhere?

No. Everything happens locally in your browser using the Web Audio API. Your files are never sent to a server, which keeps sensitive recordings private and makes conversion instant.

What formats can I convert from and to?

You can read MP3, WAV, AAC, M4A, FLAC, OGG and Opus (support depends on your browser’s built-in codecs). Output is MP3 or WAV — the two formats that play on virtually every device and platform.

Is there a file-size limit?

There’s no hard limit — but because conversion runs on your own device, very large files use more memory and take a little longer. Most songs and podcast episodes convert in a few seconds.

Will converting improve the audio quality?

Converting can’t add back detail that was already removed by a previous lossy compression. Going from MP3 to WAV, for example, simply stops further loss — it doesn’t restore the original. For the best result, always start from the highest-quality source you have.

Does it work on my phone?

Yes. It runs in any modern mobile browser. For the widest codec support and fastest encoding, a desktop version of Chrome or Edge works best.

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