Audio apps in the browser

A browser theremin. Move your mouse to control pitch and volume, generating eerie continuous tones via the Web Audio API.

by mdn

Tune any instrument with this precise chromatic tuner. Uses your microphone to detect pitch in real time.

by qiuxiang

Learn Morse code by ear and touch. Tap for dots, hold for dashes. Three difficulty levels — from the simplest six letters to full alphabet and digits with speed bonuses.

by mercutio

A fun sentence mixing tool — type or paste text, rearrange phonemes, and create hilarious audio mashups right in your browser.

by MysteryPancake

Practice recognizing the four tones of Mandarin Chinese. Listen to audio samples and test your ear — great for beginners learning tonal pronunciation.

by met

Mix nature sounds, white noise, and ambient audio to enhance focus or relaxation.

by Launch Arcade

Train your musical ear with jazz chord progressions and interval recognition.

by skozan

A sleek browser-based music player that plays any audio file your browser supports. Features playlists, waveform visualization, and works offline as a PWA.

by exerinity

A visual interface for experimenting with audio synthesis, effects, and processing using Web Audio API nodes. Connect oscillators, filters, and other audio components to create custom sound chains.

by kellda

Convert text to Morse code and back. Listen to the encoded message with audio playback.

by arindal1

A visual node-based environment for designing digital signal processing chains. Connect oscillators, filters, and effects using Web Audio.

by thehugh100

Play an electric piano in your browser with sustain, vibrato, and tremolo effects powered by the Web Audio API.

by raohmaru

Download high-quality audio from YouTube videos in MP3 or WebM format with a clean, user-friendly interface.

by Refloow

A music dashboard with real-time waveform visualization. Browse tracks, hit play, and watch audio waveforms pulse and flow as songs play.

by elenamountz

A real-time audio spectrogram visualizer powered by WebGL. Use your microphone or upload a file and watch frequencies paint across the screen in vivid color.

by calebj0seph

Play realistic piano music with this interactive keyboard featuring authentic sounds and customizable volume controls.

by stephenlankas

Create and manipulate synthetic sounds using an interactive piano, ADSR envelopes, equalizers, and real-time waveform visualization. A complete web-based audio synthesis studio.

by mdgspace

A colorful audio spectrum visualizer built with the HTML5 Audio API. Play music and watch frequencies dance across the screen in real time.

by wayou

A real-time browser guitar tuner using your microphone. Detects pitch and shows whether each string is in tune.

by jbergknoff

Real-time audio spectrum analyzer and oscilloscope using your microphone.

by Launch Arcade

A modern music player app with playlist support, progress tracking, and responsive design for desktop and mobile.

by Mhyar-nsi

A visual audio equalizer you can adjust in real time. Drag frequency bands to shape the sound, just like a hardware EQ.

by carlosrafaelgn

A simple web-based music player with playlist management, playback controls, and track progress visualization. Perfect for learning web development basics.

by BenDev202

Virtual analog synthesizer with oscillators, filters, envelopes, and effects. Built with the Web Audio API.

by aike

Create music from math — write tiny formulas that generate audio in real time. A bytebeat player for composing algorithmic music with just a few characters of code.

by BSquareII