Audio tools
29 tools to convert between audio formats and trim MP3s. No uploads: everything happens on your device.
MP3 to WAVConvert MP3 to uncompressed WAVWAV to MP3Compress WAV to high-quality MP3M4A to MP3Convert M4A/AAC to universal MP3Trim MP3Cut a fragment of an MP3 without re-encodingCompress audioShrink an audio file with three honest modesReduce audio to X MBFit an audio file into a target size in MBTrim audioCut a fragment of any audio without re-encodingMerge audioJoin up to 10 audio files into one MP3Change audio volumeRaise or lower the volume of an audio file (0–300%)Normalize audioUniform loudness (EBU R128) without distortionChange audio speedSpeed up or slow down (0.25×–4×), with or without pitchChange audio bitrateRe-encode audio at 64–320 kbps (MP3)Change sample rateResample to 22.05 / 32 / 44.1 / 48 kHzConvert audio to monoMix both channels into oneConvert audio to stereoDuplicate a mono track into two channels (honest)Audio fadeAdd fade in and fade out in secondsRemove silenceTrim the silence at the start and the endConvert audioConvert to MP3, WAV, M4A, OGG, OPUS, FLAC or AIFFEdit audio metadataView and edit title, artist, album and cover artFLAC to MP3Convert FLAC to MP3 in your browserOGG to MP3Convert OGG to MP3 in your browserAAC to MP3Convert AAC to MP3 in your browserWMA to MP3Convert WMA to MP3 in your browserOPUS to MP3Convert OPUS to MP3 in your browserAIFF to MP3Convert AIFF to MP3 in your browserMP3 to OGGConvert MP3 to OGG in your browserWAV to FLACConvert WAV to FLAC in your browserFLAC to WAVConvert FLAC to WAV in your browserM4A to WAVConvert M4A to WAV in your browser
Audio right in your browser
Convert between the most common audio formats: MP3 to WAV for lossless editing, WAV to MP3 to save space, or M4A (the iPhone voice-memo format) to universal MP3. The MP3 trimmer cuts by copy, without re-encoding: you pick the start and end second and the result keeps the exact original quality.
Like the rest of the site, audio is processed with FFmpeg in your browser: your recordings, interviews or demos are never uploaded to a server.
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