Free Tool

Audio & Video Converter

Convert any audio or video file to MP3 format instantly. Free, private, and processed entirely in your browser.

Privacy First: Your files never leave your device. All conversion happens locally in your browser using WebAssembly technology.

Supported Formats

Audio Formats

MP3WAVM4AAACFLACOGGWMAAIFF

Video Formats

MP4MOVWebMAVIMKVFLVWMV

Frequently Asked Questions

What file formats can I convert to MP3?

Our converter supports a wide range of audio and video formats including MP4, WAV, M4A, AAC, FLAC, OGG, WebM, MOV, AVI, MKV, and more. The audio track is extracted and converted to high-quality MP3.

Is this converter free to use?

Yes, the audio converter is completely free with no limits on file size or number of conversions. All processing happens in your browser, so your files never leave your device.

How does the conversion work?

The conversion happens entirely in your browser using WebAssembly technology. Your file is processed locally on your device, ensuring privacy and fast conversion speeds without any server uploads.

What quality is the output MP3?

The converter outputs high-quality MP3 files at 192 kbps, which provides excellent audio quality while maintaining reasonable file sizes. This bitrate is suitable for music, podcasts, and all general audio needs.

Can I convert video files to audio?

Yes! The converter extracts the audio track from video files (MP4, MOV, WebM, AVI, MKV) and converts it to MP3. This is perfect for extracting audio from video recordings, YouTube downloads, or screen recordings.

Why convert to MP3 for transcription?

MP3 is the most universally supported audio format and offers optimal file sizes for transcription services. Converting to MP3 before transcription can reduce upload times and ensure compatibility with any transcription platform.

Ready to Transcribe Your Audio?

Now that your file is in MP3 format, transcribe it with PlainScribe. Get accurate transcripts in minutes at $4 per audio hour.