Audio tools
Convert between MP3, WAV, M4A, AAC, FLAC, OGG, Opus and WMA, trim on a waveform, merge clips, normalize to a LUFS target, change the gain, cut out silence, or record from a microphone — all entirely in your browser. Every conversion here decodes and re-encodes, and no file is uploaded to any server.
TOOLS18
ENGINEWEB AUDIO · LAMEJS · FFMPEG
DOWNLOAD0–31 MB
I HAVE A…
MP3WAVM4AAACFLACOGGOPUSWMA
Utilities
CHANGE THE FILE, KEEP THE FORMATAudio TrimmerThe cut lands on the sample you asked for.AUDIO → MP3 · WAVMerge AudioMixed formats, matched to the highest rate.AUDIO → MP3 · WAVNormalize AudioMeasured first, correction reported.AUDIO → MP3 · WAV · FLACChange Audio VolumeOne multiply per sample, clipping named.AUDIO → MP3 · WAV · FLACReverse AudioSame samples, opposite order.AUDIO → MP3 · WAV · FLACRemove SilenceThe quiet parts, measured and cut.AUDIO → MP3 · WAV · FLACAudio RecorderWhatever your browser's recorder writes.⏺ → WEBM · OGG · M4A
Format converters
ONE FORMAT IN, ANOTHER OUTMP3 to WAV16-bit PCM at the file's own sample rate.MP3 → WAVWAV to MP3Four bitrates, from 128 up to 320 kbps.WAV → MP3M4A to MP3FFmpeg decodes what the browser will not.M4A → MP3FLAC to MP3The lossless archive, made portable.FLAC → MP3OGG to MP3Lossy in, lossy out — so pick a high bitrate.OGG → MP3AAC to MP3Raw ADTS streams as well as M4A.AAC → MP3Opus to MP3The WhatsApp voice-note format.OPUS → MP3M4A to WAVVoice memos into an editor's format.M4A → WAVWAV to FLACHalf the size, every sample intact.WAV → FLACMP3 ConverterWhatever you have in, MP3 out.AUDIO → MP3WMA to MP3The one format no browser can open.WMA → MP3