Free browser-based audio tools for finding and changing song key and BPM
Remove background noise from audio and video files in the cloud
Stage
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Founded
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Based in
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Pricing model
Freemium
Freemium
Pricing
Free plan includes Key & BPM Finder and Changer, Audio Cutter and Joiner, BPM Tapper and Metronome, Voice Recorder, and local processing tools with files saved for 6 hours. Plus plan: $9.90/month with 1,000 credits per month and files saved for 7 days. Pro plan: $19.90/month with 2,500 credits per m
Free: 10 minutes of audio per calendar month. Single file up to 30 minutes: $1.00. Single file 30 to 60 minutes: $1.99. Pro: $9.99 per month for up to 20 hours of cleaning.
Key features
Detect song tempo, musical key, scale and Camelot code
Change key and BPM independently and export as WAV
Cut and join audio segments
Record voice and tap beat timing
Practice with online metronome
Remove vocals from songs
Split songs into instrument stems
Enhance audio quality with AI
Convert audio to editable MIDI
Supports MP3, WAV, M4A, MP4, and MOV files
Files up to 2GB and 60 minutes per upload
Processing in the cloud with no software installation
Video files keep their picture untouched while audio is cleaned
Automatic file deletion 60 minutes after upload
No watermark on output files
Processing usually completes within minutes
Supports both audio-only and video files on all tiers
What makes it different
Process audio locally in browser without uploading to servers
No file storage or account required for free tools
All free tools with privacy-first design
Direct export from browser without server processing
No software to install or command line to learn
Works on audio from any source without labeling noise type in advance
Automatic file deletion protects privacy after 60 minutes
Free tier with no watermark for testing your material
Pay only for what you process, nothing recurring for single-file purchases