How to Convert MP3 to WAV Online
Convert MP3 to uncompressed WAV. Free, fast, and no account required.
Drop your MP3 file here
or click to browse from your device
Supports MP3 · Max 250 MB
🔒 Converted entirely in your browser — your file never leaves your device.
What Is MP3?
MP3 is the most commonly used audio format for music and spoken-word content. It uses lossy compression to reduce file size significantly while maintaining acceptable audio quality. MP3 is supported by virtually every device and software application.
- Music playback and distribution
- Podcasts and audiobooks
- Web audio
- Portable music players
MP3 uses lossy compression, meaning some audio data is discarded to reduce file size. For archival or professional use, lossless formats like FLAC or WAV may be preferred.
What Is WAV?
WAV is an uncompressed audio format that stores raw audio data. It preserves the full quality of the original recording without any compression artifacts, resulting in larger file sizes. WAV is a standard format for professional audio production.
- Professional audio editing
- Music production
- Sound design
- Audio archival
WAV files are substantially larger than compressed formats. A 3-minute song in WAV format is approximately 30 MB, compared to about 3 MB in MP3.
Why Convert MP3 to WAV?
- 1Convert to a lossless format that preserves data without additional compression
- 2No software installation required — convert directly in your browser
- 3No registration or personal information needed to use the service
How to Convert MP3 to WAV
- 1
Upload your MP3 file
Drag and drop your MP3 file into the upload area above, or click to open your file browser.
- 2
Start the conversion
Click the "Convert to WAV" button. The conversion begins immediately and you can track progress.
- 3
Download the result
Once complete, click the download button to save your WAV file to your device.
Privacy & Security
This conversion is processed entirely in your browser using WebAssembly. Your file is never uploaded to our servers — full privacy guaranteed.
Frequently Asked Questions
To convert a MP3 file to WAV, use the upload area on this page. Drag and drop your MP3 file or click to browse your files. Once uploaded, click the "Convert to WAV" button. The conversion will be processed and the resulting WAV file will be available for download.
Yes. This conversion tool is completely free to use. There are no premium tiers, no watermarks applied to your output, and no limit on the number of conversions you can perform. The service is supported by advertising.
MP3 (MPEG Audio Layer III) MP3 is the most commonly used audio format for music and spoken-word content. WAV (Waveform Audio File Format) WAV is an uncompressed audio format that stores raw audio data. Converting between these formats allows you to take advantage of the strengths of each format depending on your specific needs.
The output quality depends on the codecs and settings involved. When converting between lossy formats, some quality adjustment is expected. Video and audio conversions in FlipMyFiles are processed in your browser using standard encoding settings designed to maintain good quality.
Yes. Video and audio conversions are processed entirely in your browser using WebAssembly technology. Your file is never uploaded to our servers. The conversion happens locally on your device, providing full privacy.
The maximum file size is 250 MB per file. This limit applies to all format types. For video and audio files, conversion speed depends on your device's processing power since the conversion runs in your browser.