Convert MP3, WAV, FLAC, OGG, M4A, AAC and more — instantly and free. Works in your browser, on any device.
Runs entirely in your browser. No downloads, no installation, no software updates — works on any device with an internet connection.
Upload your audio file, click Convert, wait a few seconds while our server processes it, then download the result. Simple as that.
Supports all popular audio formats — MP3, WAV, FLAC, AAC, OGG, M4A and more. Plus MP4 video to MP3 audio extraction.
Compatible with Windows, macOS, Linux, Android, and iOS. Just open your browser and go — no app download required.
Your files are uploaded over HTTPS, converted automatically, and deleted after processing according to our retention policy.
The interface is simple and intuitive. No account, no email verification, no watermarks, no limits. Just convert and download.
Click any tool below to start converting instantly.
Convert MP4 videos to MP3 audio online for free with ConversionFree.
Open Tool →Convert MP4 videos to WAV audio online for free with ConversionFree.
Open Tool →Convert MP4 videos to AAC audio online for free with ConversionFree.
Open Tool →Convert WAV audio files to MP3 online for free with ConversionFree.
Open Tool →Convert FLAC audio files to MP3 online for free with ConversionFree.
Open Tool →Convert AAC audio files to MP3 online for free with ConversionFree.
Open Tool →Convert OGG audio files to MP3 online for free with ConversionFree.
Open Tool →Convert M4A audio files to MP3 online for free with ConversionFree.
Open Tool →Convert MP3 audio files to lossless WAV online for free with ConversionFree.
Open Tool →Convert any audio file to MP3 in four simple steps.
Choose an audio file from your device, or drag and drop it into the upload area of any of our converters below.
Most of our audio converters output MP3 — the universal format that plays on every device. Just pick the tool matching your input format.
Our server converts your file using FFmpeg and the LAME MP3 encoder at quality setting 2 (≈190 kbps VBR) for excellent audio fidelity.
When the progress bar reaches 100%, your MP3 is ready. Click "Download MP3" and save it to your device. No email required.
MP3 is the universal audio format — plays on any device, any platform, any player. Converting WAV, FLAC, AAC, OGG, or M4A to MP3 lets you share audio freely without compatibility issues, at file sizes 5–10× smaller than lossless formats.
Studio-quality but very large files. Convert to MP3 for sharing.
Perfect quality at half the size of WAV. MP3 output is 5× smaller still.
Apple's preferred formats. Convert to MP3 for cross-platform playback.
Open-source format used in games and streaming. Convert to MP3 for universal support.
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