Audio to MIDI Converter - Online Transcribe Melody
Analyze a monophonic audio recording and convert the pitch into a MIDI file. Perfect for capturing musical ideas. Client-side.
UD5 Toolkit
Tune your soprano, concert, tenor, or baritone ukulele with precise reference notes and microphone tuning.
Analyze a monophonic audio recording and convert the pitch into a MIDI file. Perfect for capturing musical ideas. Client-side.
Find the correct wire gauge for speaker cables based on length and speaker impedance to avoid signal loss. Quick audio reference. Local.
Estimate how long it takes to download/upload a file given bandwidth speed. Also convert between bits and bytes.
Convert between dBm, milliwatts, and watts. Simple calculator for RF engineers and WiFi signal analysis. Instant local calculation.
Convert a decimal number to 32-bit single precision IEEE 754 format. See sign, exponent, mantissa bits. Developer tool.
Calculate with binary numbers: addition, subtraction, multiplication, and division. Also bitwise AND, OR, XOR. Programmer's tool, fully client-side.
Calculate the buying power of US dollars between any two years using official CPI data (updated annually). See how inflation erodes purchasing power. Local.
Enter a decimal number and see its 32‑bit and 64‑bit IEEE 754 representation. Learn sign, exponent, mantissa.
Track personal expenses and categorize spending. Interactive charts show where your money goes. All financial data remains in your browser only.
Create a personal countdown to any future date (birthday, vacation, launch). Shows days, hours, minutes, seconds. Locally stored.
Search by country or currency name to find its symbol and code. Quick static reference for international business.
Look at a color‑coded BMI table for your height and see the healthy weight range. Simple reference.
Set media metadata and play/pause controls for the OS media widget. Test action handlers. Perfect for web audio apps.
Select a key and build chord progressions (I-IV-V, etc.). Hear them played with simple piano sounds. Great for songwriting inspiration. Local audio synthesis.
Tune your guitar using the browser microphone. Detects pitch and shows deviation from standard tuning. No installation, pure client-side audio processing.
Play a metronome with adjustable BPM, time signature, and subdivisions (eighth, triplet, sixteenth). Tap tempo and visual flash. Works offline for practice.
Play a selection of local lo‑fi tracks (embedded). Simple UI with play/pause. No copyright issues. Stay focused.
Sing or play an instrument into the mic and see the detected pitch on a real‑time chromatic tuner. Use for practice or ear training.
Play a simple monophonic synthesizer with your keyboard. Choose waveform, attack, decay, and filter. For music fun.
Get a random chord progression (e.g., I‑V‑vi‑IV) with a suggested key. Play with built‑in piano sounds. For songwriters.
Generate a random, somewhat meaningful song lyric line. Write your own hit with AI‑free randomness. All local.
Play a collection of retro 8‑bit synth pads and leads using your keyboard. Record sequences and export as WAV. Pure Web Audio API.
Pomodoro timer with built‑in lo‑fi music playlist (synthetic). Focus and rest cycles. No copyright music; generated tones.
Click a root key and chord type (Maj, min, 7th) to see the notes highlighted on a piano keyboard. Learn chords fast.
Generate a random band name, album title, and cover art description. Perfect for music inspiration. Click to refresh.
A precise online metronome with adjustable BPM, beat emphasis, and time signature. Works offline. Essential for musicians.
Play a virtual piano keyboard using mouse or computer keys. Sustain and octave control. Record and play back your tune.
Lay down a beat on a grid sequencer for kick, snare, and hi-hat. Play, loop, and adjust tempo. All sound via Web Audio API.
Enter a song title and artist to find lyrics using public APIs. Quick preview and copy. A lightweight tool for music lovers.
Tap any key to the beat and get the BPM (beats per minute). Useful for DJs, musicians, and running. Simple and accurate.