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Convert Audio Online Free — MP3, WAV, FLAC & More

Free browser-based audio converter. Turn MP3, WAV, M4A, FLAC, OGG and even video into any format — private, instant, and with no sign-up required.

Nothing is uploadedThe file is read and rewritten on your own device.
No account, no watermarkNo sign-up, no daily limit, nothing to install.
10 formats in, any of them outup to 300 MB.

Convert an audio file

or drop a file anywhere on this card

MP3, WAV, M4A, AAC

up to 300 MB

Files are processed in your browser and never uploaded

How to convert an audio file?

Three steps, all of them in the tool above.

Drop in your file

Grab any audio — MP3, WAV, M4A, FLAC, OGG and more. Got a video? Drop it in too, and we'll pull the audio out for you. Files up to 300 MB are welcome.

Pick your target format

Search or scroll the list and choose where you're headed — MP3, WAV, FLAC, AAC, OPUS, whatever you need. Ten formats, one click.

Hit convert

Everything happens right here in your browser. Your file never leaves your device and never touches a server — so it's fast, and it's private.

Download and go

Your new file is ready in seconds. Save it, share it, done — no account, no email, no waiting.

Everything you need to convert audio

No uploads, no accounts, no limits — just drop in a file and go.

100% private by design
10 audio formats
Extract audio from video
Free and no sign-up

You have the audio. Get the words too.

This page pulls the audio out of a video. BlaBlaScribe turns it into text.

A transcript, not just a file
Subtitles for the same video

Speaker labels, searchable text and summaries, exported to TXT, DOCX or SRT.

A transcript, not just a file

Timed captions in 120+ languages, exported as SRT or VTT.

Subtitles for the same video

Frequently asked questions

Everything you need to know about converting audio online.

All questions
No. Conversion runs entirely in your browser using WebAssembly, so your file never leaves your device. Nothing is uploaded, stored, or shared.
You can export to MP3, WAV, M4A, AAC, FLAC, OGG, OPUS, WMA, AIFF and AC3 — covering everything from high-quality lossless audio to lightweight files for the web.
Yes. Drop in a video file such as MP4, MOV, AVI or MKV and choose an audio format — we'll extract the sound and convert it for you.
You can convert files up to 300 MB. Since everything runs locally, larger files simply take a little longer depending on your device.
Not at all. There's no sign-up, no email, and no payment. Open the page, convert your file, and download the result.
Yes, completely free — no trials, no watermarks, and no hidden limits on how many files you can convert.
Choose a lossless format like WAV or FLAC to preserve full quality, or a compressed format like MP3 or AAC when you want a smaller file. You're always in control of the trade-off.

Discover more

Same rules: in your browser, no account, no limit.

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AI tools

Subtitle GeneratorCaptions written from the audio, not converted from a file.Subtitle TranslatorThe same cues in 50+ languages, timings kept.Video To TextA full transcript with speaker labels and timestamps.