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Join several audio files into one, in the order you choose, with optional gaps or crossfades — mixed formats and sample rates are handled for you.
Also covers: Join MP3 files · Combine audio files · Audio joiner
Drop the audio files to join
MP3, WAV, M4A/AAC, FLAC, Ogg, Opus and WebM — whatever your browser can play. Audio is processed on your device and never uploaded.
Drop them all at once; you can add more later.
Move files up or down and remove any you don't want.
Silence between files, or a smooth crossfade, then save as MP3 or WAV.
Yes. Every file is decoded, converted to the highest sample rate among them, and mono files are placed in both channels when others are stereo.
Equal-power, so the loudness stays even through the overlap instead of dipping in the middle.
Only your device's memory. An hour of stereo audio takes roughly 1.3 GB while it's decoded; a few songs are no problem.
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Cut an MP3, WAV or other audio file to the part you want: drag across the waveform, fine-tune the times, and save as MP3 or WAV — in your browser.
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Split an audio file into parts at points you click, into equal parts, every N seconds or at silences, and download each part or all of them as a ZIP.
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Make audio louder or quieter by decibels, normalise to a peak level, or to a loudness target (LUFS) for Spotify, YouTube, Apple Music or podcasts.
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Add a fade-in and fade-out to audio with linear, exponential, logarithmic, equal-power or S-curve shapes, and hear the result before saving.
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Speed up or slow down audio without changing the pitch — or tape-style, where pitch follows speed — from 0.25× to 4×.
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Shift the pitch of a song or recording up or down by semitones and cents while keeping its length — to change key or practise along.