- Morse, DTMF and Audio DataTranslate Morse, generate and read DTMF keypad tones, and send text between devices through a speaker.morse code audiodtmf decoder
- BPM and Key DetectorFind the tempo and musical key of a track, or tap the tempo yourself.bpm detectorsong key findertap tempocamelot key
- MIDI InspectorRead a .mid file event by event, or watch a live MIDI device, all in your browser.midi file viewersmf parsermidi event listweb midi monitor
- Signal GeneratorGenerate sine, square, triangle, sawtooth, noise, and swept tones for testing speakers, subwoofers, and hearing.tone generatorsweep tonehz tone
- Tuner & MetronomeTune any instrument from your microphone and run a sample accurate metronome, all in the browser.online tunermetronome onlinepitch detector
- MP3 Tag EditorRead and edit ID3 tags and cover art on MP3 files in the browser.mp3 tag editoredit mp3 metadataremove id3 tagsflac tag viewer