Does The Musician's Knife work offline?
Yes. The Musician's Knife is a single HTML file that runs entirely in your browser. No internet connection required after download. Your data never leaves your device.
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The Musician's Knife
Eleven instruments and references — powered by Web Audio
Music & SoundKnife 14 of 50
$39
One-time purchase · Instant download30-day money-back guarantee
$39
What it does
The Musician's Knife gives musicians eleven practical tools in a single HTML file, powered by the Web Audio API for real sound generation. Generate precise tones, tune your instrument with a live chromatic tuner, keep time with a visual metronome, tap out BPM, look up chords and scales on an interactive piano, explore the circle of fifths, reference note frequencies, generate DTMF tones, train your ear with intervals and chord recognition, and play a live MIDI keyboard with WAV recording — all completely offline.
LIVE DEMO — TRY IT NOW
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INCLUDED TOOLS — 11 TOTAL
\Tone Generator (Web Audio)
\Chromatic Tuner
\Visual Metronome
\BPM Tap Counter
\Chord Finder with Piano
\Scale Visualiser
USE CASE 01\Guitar Blues Practice
\Circle of Fifths
\Note Frequency Table
\DTMF Generator
\Ear Trainer
\MIDI Studio & WAV Recorder
USE CASE 02\Baroque Ensemble Tuning
USE CASE 03\Jazz Practice Session
USER'S GUIDE
Download PDFFull documentation with detailed instructions for every tool.
DELIVERYSingle HTML fileDownload instantly after purchase
PRIVACY100% localYour data never leaves your machine
OWNERSHIPOne-time purchaseNo subscription, no recurring fees
PRO TIP
The file works in any modern browser — Chrome, Firefox, Safari, Edge. Save it to a USB drive, email it to yourself, or keep it in your cloud storage. It will work anywhere, anytime, forever.
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$39. Yours. Forever.
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OTHER PRODUCTSIs The Musician's Knife a subscription?
No. The Musician's Knife is a one-time purchase of $39. No monthly fees, no renewals, no price increases.
What is included in The Musician's Knife?
The Musician's Knife bundles 11 music & sound tools into a single HTML file: Tone Generator (Web Audio), Chromatic Tuner, Visual Metronome, BPM Tap Counter, Chord Finder with Piano, Scale Visualiser, and 5 more.
Where is my data stored?
Entirely in your browser's local storage. Nothing is uploaded, transmitted, or tracked. You can export your data as JSON at any time and import it on another device.
Which browsers and operating systems does The Musician's Knife support?
Any modern browser — Chrome, Firefox, Safari, Edge — on Windows, macOS, Linux, ChromeOS, iOS, or Android. The same file works everywhere.
Can I try The Musician's Knife before buying?
Yes. The interactive demo on this page is the full knife running in an iframe. Try every feature in your browser, no signup required.
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