MP3 Converter

Convert your files to MP3 and download them for free. No account required.
Upload your fileClick Choose File button to get started or drag and drop files to upload.
By uploading your file, you are agreeing to the Restream, Inc. Terms of ServiceandPrivacy Policy.

Free online MP3 converter

Restream converts your files into MP3 from WAV, M4A, MP4, MOV, MKV and more. All you have to do is upload your file, convert it, and download it when you’re done.

Our online MP3 converter is free and easy to use. Upload files of up to 1 GB in size and we’ll convert them quickly on our servers. There are no limits on how many video and audio files you can convert — use the free converter as many times as you want.

You don’t have to create an account or download any software to use our audio file converter. You can convert your files to MP3 right from your browser. We’ll then delete your files from our servers a few hours after you’ve downloaded them, so nobody has access to them except you.

Convert any file to MP3

Restream’s MP3 converter can transform almost any audio or video file into MP3. That includes WAV, M4A, WMA, MP4, MOV and more. Take audio from your iPhone, Android or another gadget and turn it into an MP3 file so you edit and play it on your computer and post it on platforms like Apple Podcasts, Spotify and YouTube.

Convert File to Audio
Quality Secure File Converter

High-quality, secure file converter

Convert your audio files with our professional-quality converter. It provides high-resolution audio conversion for lossless formats and for lossy to lossless formats. Our audio converter also keeps your data safe and secure. Once you’ve downloaded your converted audio, we delete your files from our servers a few hours later, so nobody has access to them except you.

Record your own audio or video

Looking for powerful video recording software that’s easy to use? With Restream Studio, you can record videos and audio using the studio’s “record-only” mode. Take advantage of all the features the studio has to offer, like high-res audio, noise cancellation, split-track recording and more. When you’re done, you can download your video or audio file.

Record your own audio

Frequently Asked Questions

How does the MP3 audio converter work?

You can convert almost any file to MP3 using Restream’s free online audio converter tool.

  1. Select the Choose File to get started. Browse your device files or drag and drop your video file into the converter.
  2. Select Convert to upload your audio and start the conversion process.
  3. Download your MP3 when it’s done processing.

How do I convert video or audio to MP3?

You can convert almost any video or audio file to MP3 using Restream’s free online converter tool. Simply upload your file, wait a minute or two for us to process it, then download your MP3. You don’t need an account and you don’t have to download any software to use our audio converter.

How do I convert a WAV file to MP3?

You can easily convert any WAV file to MP3 by using our online audio converter tool. Simply upload your WAV file to our free converter and we’ll turn it into an MP3 for you. Your files get deleted from our servers after you download your MP3, so you don’t have to worry about anyone else seeing your files.

How do I convert an iPhone recording to MP3?

Voice memos captured with an iPhone are typically in M4A format by default. If you want to edit your iPhone recording on your computer or upload it on a podcast platform, you might have to convert it to an MP3 file. With Restream’s online MP3 converter, you can change your M4A iPhone recordings into MP3 files in a matter of minutes.

How long does it take to convert a file?

You can have your MP3 file ready to download in a few minutes, depending on the size of your file. Bigger files may take a bit longer to process. We convert your video or audio files on our servers — it’s much faster than if you used your computer to convert them.

Supported file formats

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