Audio Converter — Convert MP3, WAV, FLAC Online Free
Convert audio between MP3, WAV, FLAC, OGG, M4A, AAC and OPUS.
Free · No signup required · Your files stay private
See it in action
The same clip before and after this tool.
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What you can do with it
Turn a heavy WAV into a small MP3 or OPUS that fits an email, a chat message or a phone with limited storage.
Convert your collection to FLAC to keep every detail at about half the size of WAV, ready for editing or safekeeping.
A format your player, car stereo or phone refuses becomes MP3 or M4A that just works, no special apps needed.
How it works
Upload your file
We re-encode your file into the format you picked
Download the result
Frequently asked questions
Is the audio converter free?
Yes. Converting costs nothing, there is no watermark and no limit on how many files you convert.
Do I need to sign up?
No. Choose a file, pick the output format and download the result. No account and no email address.
Which format is best?
For sharing and phones, MP3 — small and plays everywhere. For editing or archiving without quality loss, WAV or FLAC. For Apple devices, M4A/AAC. OPUS gives the best quality for the smallest size.
What is the difference between lossless and lossy?
Lossy formats (MP3, AAC, OGG, OPUS) throw away some data to stay small. Lossless formats (WAV, FLAC) keep every bit, so they are bigger but perfect for editing and archiving.
Does converting MP3 to WAV restore the quality?
No. Once MP3 has discarded detail it is gone; a WAV made from an MP3 just wraps the same sound in a bigger file. Convert from the highest-quality source you have.
Can I convert several files at once?
Yes. Add up to 10 files, pick one output format and convert them all in one go — then download each result, or grab them together as a ZIP.
Do my files stay private?
Your file is processed on our own servers and deleted automatically, and nobody else sees it. The download link is unguessable and is never listed or shared anywhere.
Prepare your audio, end to end
All free to try, no signup.
Automate it
Every tool here is also available to AI assistants and developers via our MCP server and REST API.
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Customer Reviews
Perfect even with opera, jazz, etc. It's like a dream...🥹
Perfect même avec de l'opéra , Jazz etc... Comme un rêve ...🥹
It's a bit annoying that I have to select the conversion type every time, and my initial selection doesn't stick. Other than that, everything's fine.
קצת מעצבן שכל פעם צריך לבחור סוג המרה ולא נשאר מה שבחרתי ראשון חוץ מזה הכל טוב
If you want to analyze everything from the individual instruments to the vocal arrangements in a song, VocalRemover is exactly what you need. You can listen to every component of your song in detail. I don’t usually leave comments, but I decided to leave one here because I imagine that if someone has made it this far and has doubts or needs encouragement to use VocalRemover, they should go ahead and do it—they won’t regret it!!
Si buscás estudiar desde cada uno de los instrumentos hasta cada arreglo vocal de una canción, vocalremover es lo que buscás. Podés escuchar cada componente de tu canción al detalle. No suelo dejar comentarios, pero decidí dejar uno acá porque imagino que si alguien llegó hasta acá y tiene dudas y necesita ánimo para usar vocalremover que lo haga tranquilo, no se va a arrepentir !!
Really great—the best of the best
muy buenazo mejor de lo mejor
files
Converted in last hour
seconds
Wait time for a conversion
99.95 %
Uptime of last 30 days
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