MP3 to WAV
Convert MP3 to WAV in your browser: 16-bit PCM at the MP3's own sample rate, exactly as long as the recording, with no silence added. Free, nothing uploaded.
Drop audio or video here
MP3 · WAV · M4A · MP4 · MOV · WEBM — up to 4 hours. Nothing is uploaded.
How it works
- Drop your MP3 onto the box above.
- WAV is already chosen: 16-bit, at the MP3's own sample rate and channels.
- Download the WAV. Nothing is uploaded; it's made on your device.
- Sound noisy or too quiet? One click sends the same file to the noise remover or the loudness normalizer.
When you need WAV
- Editing: Audacity, Premiere, DaVinci Resolve and DAWs work on WAV directly, and saving again adds no new compression.
- Apps and devices that only take WAV: samplers, some transcription and speech tools, game engines.
- Burning an audio CD: a 44.1 kHz stereo MP3, the most common kind, becomes a CD-format WAV (44.1 kHz, 16-bit, stereo).
Exact length, no added silence
An MP3 decoder puts out about 25 ms of silence before the sound starts, and the last frame is padded. Encoders such as LAME note both in a tag at the start of the file; AudioRinse reads it, so the WAV starts where the sound does and is as long as the original recording, to the sample. That matters when the WAV goes back next to a video or other tracks.
WAV doesn't add quality: it holds what the MP3 plays, uncompressed. That's why it's 7 to 11 times bigger: 10.6 MB per minute of 44.1 kHz stereo.
Questions
Is my file uploaded anywhere?
No. The conversion runs inside your browser, on your own device. Your file never leaves it, so there's no upload to wait for and nothing stored on a server.
Is it really free?
Yes. Converting is free with no limit, no account and no watermark. AudioRinse earns from its cleaning tools; the converters are here because a recording often needs both.
Will the WAV sound better than the MP3?
No. What the MP3 encoder left out is gone; the WAV holds exactly what the MP3 plays. Converting is for editing and compatibility, not quality.
What sample rate and bit depth is the WAV?
The MP3's own sample rate (usually 44.1 kHz, sometimes 48), so nothing is resampled, at 16 bits, which hold everything an MP3 carries.
How long can the file be?
Up to 4 hours, and WAVs up to 1 GB: about an hour and a half of stereo. For a longer file the page says so before converting; MP3 or M4A are a fraction of the size.
The sound is noisy or too quiet. Can I fix it?
Yes. After converting, one click sends the same file to the background noise remover, the loudness normalizer or the buzz and hum remover. Cleaning is free to try; the free plan includes 3 downloads a month.
Other tools
- M4A to MP3Voice memos and iTunes songs as MP3.
- WAV to MP3WAV to MP3 at a fraction of the size.
- M4A to WAVVoice memos and M4A to uncompressed WAV.
- OGG to MP3Ogg Vorbis, Opus and voice messages to MP3.
- FLAC to MP3Lossless FLAC to MP3, tags and cover kept.
- Remove background noise from audioFans, traffic, hiss and room noise out of a voice recording.
- Remove background noise from videoClean a video's soundtrack. The picture is kept untouched.
- Voice isolatorKeep only the voice; everything else goes.
- Audio enhancerNoise removal + voice EQ + loudness, in one step.
- Voice enhancerClearer, fuller, evenly loud voice.
- Remove reverb from audioLess room, more voice: for recordings made in echoey rooms.
- Remove echo from audioFix the hollow, echoey sound of a big or empty room.
- Remove buzz and hum from audioElectrical buzz and hum out; the voice or music around it untouched.
- Remove silence from audioDead air out: every long pause cut to a set length.
- De-esserHarsh S sounds softened; the voice keeps its brightness.
- Fix clipped audioFlattened, crackly peaks from recording too loud, rebuilt.
- Mouth click removerLip smacks and tongue clicks out of a voice-over.
- Normalize audioPodcast, YouTube or broadcast loudness, true-peak safe.
- Remove vocals from a songThe vocals out of a song: a clean instrumental, and the acapella too.
- Split a song into stemsVocals, drums, bass and the rest, each on its own track.
- Remove music from a videoBackground music out of a video; the voices stay.
- Make a karaoke version of a songAny song as a karaoke track: the vocals out, the band left.
- Extract the vocals from a songThe vocals alone from any song: an acapella for remixes and covers.
- Make an instrumental of a songThe instrumental version of any song, the vocals taken out.
- Remove the drums from a songThe drums out of a song, for drummers to play along.
- Find the BPM of a songThe tempo of any song, with its key and Camelot code.
- Find the key of a songThe key of any song, with its Camelot code and tuning.
- BPM and key finderTempo, key and Camelot for a whole folder of songs, as a CSV.
- Tap tempoTap along on each beat and read the BPM.
- Camelot wheelWhich keys mix: pick one, or drop your songs onto the wheel.
- Audio to sheet musicA piano recording written out as a two-hand score.
- MP3 to sheet musicAn MP3 of piano music, written out as a printable score.
- Piano transcriptionPiano playing written out, both hands, in seconds.
- Video to MP3The sound of any video as an MP3. Free, no limit.
- MP4 to MP3Any MP4's sound as an MP3, in seconds.
- Video to audioAny video to MP3, M4A or WAV. Free, no limit.
- MOV to MP3iPhone and QuickTime videos to MP3.
- MP4 to WAVUncompressed WAV from any MP4, for editing.
- WebM to MP3WebM video or audio to MP3.
- MKV to MP3OBS recordings and MKV films to MP3.
- Extract audio from videoA video's sound track as a file, in its original quality.
- Transcribe audio to textAny recording to text, transcribed on your computer.
- Convert audio to textSpeech in any audio file, converted to text on your device.
- Convert MP3 to textAn MP3's speech as text, with timestamps.
- Transcribe a video to textWhat's said in a video, as a timestamped transcript.
- Convert video to textSpeech in any video, converted to text on your device.
- Add subtitles to a videoAuto subtitles, edited in place, burned in or as SRT.
- Auto captions for your videoCaptions for reels and videos, styled and burned in.
- Generate subtitles automaticallyTimed SRT and VTT subtitles from any video.
- Interview transcriptionSpeaker-labelled transcripts, made on your computer.
- Transcription for qualitative researchInterviews and focus groups, ready for NVivo and MAXQDA.