Free online tool
Convert MP3 to WAV
Free online MP3 to WAV converter - runs entirely in your browser. No upload, no account, no file size limit.
Drop MP3 files here
MP3 · and other formats (MP3, WAV, FLAC, AAC, OGG, M4A, OPUS, WMA, AIFF)
Audio sounds damaged or noisy?
Professional restoration by real engineers - noise removal, voice clarity, echo reduction.
Why convert MP3 to WAV?
- →WAV is uncompressed lossless audio, making it ideal for professional editing, DAW projects, and archiving.
- →Your MP3 files are processed entirely in your browser - nothing is uploaded to any server.
- →Batch-convert as many files as you need in one click, then download them individually or all at once.
- →Note: converting from a lossy format (MP3) to a lossless one (WAV) will not recover lost data, but it avoids further compression artifacts.
- →WAV is the standard interchange format for DAWs like Audacity, GarageBand, and Adobe Audition.
How to convert MP3 to WAV online
- 1
Upload your MP3 files
Drag and drop or click to select files. You can add multiple MP3 files at once.
- 2
WAV is pre-selected
The output format is already set to WAV. Optionally adjust quality settings before converting.
- 3
Click Convert
Hit Convert while the audio engine loads in the background. No server involved.
- 4
Download your WAV files
Download files one by one or all at once. No registration, no email, no waiting.
Source format
MP3
the most widely compatible audio format.
Best for: sharing, streaming, and everyday playback.
LossyOutput format
WAV
uncompressed lossless audio.
Best for: professional editing, DAW projects, and archiving.
LosslessProfessional audio restoration
Audio sounds noisy or unclear?
Converting format does not fix audio quality issues. If your MP3 has noise, hiss, hum, or muffled speech, WefixSound engineers can professionally restore it. Free sample before you pay.
Frequently asked questions
Will I lose quality converting MP3 to WAV?
WAV is lossless, so no further quality is lost in the conversion. If your source MP3 is already lossy, converting to WAV preserves it without additional compression artifacts.
Is the MP3 to WAV converter free?
Yes - completely free. No account, no registration, no email required. The tool runs in your browser and processes files locally.
Is my file uploaded to a server?
No. The converter runs entirely inside your browser tab. Your MP3 files never leave your device.
Is there a file size limit?
There is no server-side limit. Practical limits depend on your device memory.
Can I convert multiple MP3 files to WAV at once?
Yes. Drop as many files as you need into the tool and click Convert.