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Audio Tools

Remix, edit, analyze, and convert audio for free.

Every tool runs locally in your browser, so your files never leave your device. Pick a tool below to get started.

No uploadsLive previewFree to use

Stems

Split songs into vocals, drums, bass, and more, or pull out an acapella, with an AI model that runs on your device.

Stem Splitter

Split any song into vocals, drums, bass, and other stems with AI, right in your browser. Mute, solo, and download each stem. Free, no uploads.

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Vocal Remover

Remove vocals from any song to make a karaoke instrumental with AI, right in your browser. Download the instrumental or the vocals. Free, no uploads.

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Acapella Extractor

Extract the acapella from any song with AI, right in your browser. Download the vocals as WAV or MP3 and keep the instrumental. Free, no uploads.

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Effects

Slow down, speed up, and reshape songs with a live preview before you download.

Slowed + Reverb

Make a slowed + reverb version of any song for free. Adjust speed and reverb with a live preview, then download as MP3, WAV, or FLAC. No uploads.

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Sped Up Audio

Speed up any song for free, like the sped up versions on TikTok. Pick the speed with a live preview and download as MP3, WAV, or FLAC. No uploads.

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Nightcore

Turn any song into nightcore for free: faster, higher, and punchier. Live preview, adjustable speed, and MP3, WAV, or FLAC download. No uploads.

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Vaporwave

Give any song a vaporwave makeover: heavily slowed, deep, and drenched in reverb. Live preview and MP3, WAV, or FLAC download. Free, no uploads.

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Bass Booster

Boost the bass of any song online for free. Built-in limiter prevents clipping. Live preview and MP3, WAV, or FLAC download. No uploads.

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8D Audio

Convert any song to 8D audio for free. The sound circles around your head using 3D (HRTF) panning. Live preview and MP3, WAV, or FLAC download.

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Reverse Audio

Reverse any audio file online for free and hear it backwards. Live preview, optional reverb, and MP3, WAV, or FLAC download. No uploads.

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Volume Booster

Make quiet audio louder online for free, with a limiter that prevents clipping. Live preview and MP3, WAV, or FLAC download. No uploads.

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Edit

Cut, join, and retime audio files, or pull the soundtrack out of a video.

Audio Trimmer

Cut MP3, WAV, and other audio files online for free. Drag to select, add fades, preview, and download the clip as MP3, WAV, or FLAC. No uploads.

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Audio Joiner

Join MP3, WAV, and other audio files into one track for free. Reorder the songs, add crossfades, and download as MP3, WAV, or FLAC. No uploads.

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Tempo Changer

Speed up or slow down any song from 50% to 200% without changing its pitch. Preview it, see the new BPM, and download as MP3, WAV, or FLAC. Free.

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Pitch Shifter

Change the pitch or key of any song by up to 12 semitones without changing its tempo. Preview and download as MP3, WAV, or FLAC. Free, no uploads.

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Video to Audio

Extract the audio from MP4, MOV, MKV, or WEBM videos and save it as MP3, WAV, or M4A. Runs in your browser, so your video is never uploaded. Free.

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Analyze

Find the tempo and key of a track, see which keys mix on the Camelot wheel, and discover SoundCloud music that matches.

BPM & Key Finder

Find the BPM and musical key of any song, with Camelot codes for harmonic mixing. Analyze several files at once in your browser. Free, no uploads.

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Camelot Wheel

Interactive Camelot wheel for harmonic mixing: see which keys mix, hear them, work out pitch shifts, and practice with a quiz. Camelot or Open Key.

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Convert

Change audio formats without uploading your files.

Audio Converter

Convert audio between MP3, WAV, FLAC, AAC, M4A, and OGG with fully local processing.

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