Music & Audio Tools

An untuned 808 sub-bass creates mud, phase cancellation, and clashes with your melodic sample. Select your song's root key to find the exact fundamental frequency (Hz), room wavelength standing nod...

Generate pure acoustic tones, test speaker frequency responses, and monitor live audio waveforms using the Web Audio API.

Generate scientifically tuned binaural beats and isochronic frequencies using pure Web Audio synthesis. Entrain your brainwaves for laser focus, flow state, deep meditation, or rapid sleep. 🎧 Head...

Instant, free online BPM Tap Counter (Pro) tool. No signup required.

Find capo placement for key transposition, chord conversion, and song adaptation. Supports sharps/flats, multiple fret options, and tuning adjustments.

Sing along to Christmas classics with synchronized lyrics, pitch detection, and festive backgrounds! 🎤 Features: 50+ carols, pitch meter, key changer, duet mode, recording

Identify chords from selected notes. Perfect for songwriters and beginners!

Build, analyze, and explore chord progressions for songwriting. Perfect for musicians and composers!

Convert tempo to delay, reverb pre-delay and LFO times. Note length in milliseconds = 240,000 ÷ BPM ÷ denominator (crotchet = 4). Dotted is × 1.5; triplet is × ⅔.

Explore scales, chords, and intervals on a virtual piano — hear how they sound and see the theory behind them

Muddy hip hop mixes happen when competing instruments fight for the same acoustic frequency space. Select any common mix conflict pair to visualize precise complementary boost & notch carving curve...

Equal-temperament fret rule: distance from nut to fret n = L × (1 − 1/2^(n/12)) where L is scale length. 12th fret is the octave (halfway). Not a CNC file.

The secret to head-nodding hip hop bounce lies in micro-timing: Roger Linn's legendary MPC 16th-note swing formula, J Dilla's unquantized lazy pocket, and modern Drill swing offsets. Calculate exac...

Get detailed care instructions with maintenance schedules, required tools, and professional tips for your specific instrument.

Essential for musicians: Learn to identify intervals by ear. Perfect for singers, composers, and anyone learning music theory!

Recreate the legendary gritty texture of golden era hip hop and chill lo-fi beats. Dial in 12-bit sampler downsampling (E-mu SP-1200, Akai S950), cassette tape wow/flutter pitch drift, and analog v...

Check a sample’s end-to-start jump and slope mismatch before setting a loop in your sampler.

Use measured integrated LUFS and true peak to plan a gain change and see whether your chosen peak ceiling permits it.

Precise audible & visual metronome with subdivisions, tap tempo, and tempo presets. ⚠️ Enable sound in your browser

Master the lyrical mechanics of golden era and modern technical rap. Map your syllables across a 16-slot 4/4 measure grid to lock your flow into the pocket, identify multi-syllabic vowel rhyme sche...

Interactive music knowledge challenge: Test your expertise across theory, history, instruments, and pop culture. Complete with scoring, explanations, and shareable results!

Pick any key to see its relative minor, the closely related keys either side of it on the circle, and the seven diatonic chords built from that scale. Everything runs offline in the browser.

12-tone equal temperament: f = f₀ × 2^(n/12). Default A4 = 440 Hz. MIDI note 69 is A4. Period = 1/f.

Normalize mono or stereo samples to a chosen sample-peak ceiling, with linked-channel gain and a downloadable 24-bit PCM WAV.

Learn fundamental recording techniques. ⚠️ Educational only — always verify with professional resources.

Uncalculated reverb washes out hip hop vocals and turns snappy snares into a muddy blur. Calculate tempo-synced pre-delay (giving the upfront vocal clarity before reverb begins) and precise decay t...

Generate rhythm patterns for practice and composition. ⚠️ Educational only — verify with professional resources.

Calculates exact mathematical slice cue points and sample frame offsets for 16-pad hardware samplers (MPC, SP-404, Maschine) and DAWs. Slice 1-bar, 2-bar, or 4-bar sample loops into clean musical c...

Translate a measured timing offset into DAW sample nudges, acoustic path difference, and predicted comb-filter notches.

Practice scales in different keys. Educational only — always verify with a music teacher or professional resource.

Generate detailed sheet music references with proper notation guidance. ⚠️ Educational only — always verify with a teacher or professional resource.

Brainstorm song ideas, lyrics, and structure. ⚠️ Educational only — always verify with a teacher or professional resource.

Measure stereo correlation, side energy, and mono fold-down loss from your mix without uploading it.

Create tempo maps for musical compositions with BPM calculations and time conversions. Educational tool for musicians and composers.

Transpose chords, melodies, and entire progressions between keys. ⚠️ EDUCATIONAL TOOL — Verify with music teacher or professional resources.

Craft the iconic bouncing hi-hat patterns of modern Trap, Atlanta bounce, and UK/NY Drill. Program 1/32nd rolls, 1/24th triplet flurries, ascending velocity ramps, and pitch drops with live interac...

Reference notes for tuning your instrument. Educational only — verify with your ear or a professional tuner.

In golden era hip hop and modern boom-bap, pitching a vinyl sample directly changes its tempo (varispeed resampling). Calculate the exact mathematical relationship between Semitone pitch shift, cen...

Compressors that aren't mathematically timed to your beat either choke punchy transients or pump unnaturally. Calculate tempo-synced Attack, Release, and Hold times for kick-to-808 sidechain duckin...

Mix YouTube videos live like a professional DJ. Crossfade between tracks, apply effects, and create seamless mixes. 🎧 Live mixing • Crossfader • EQ • Effects • YouTube integration