Browser FX: Tab Audio Effects + MIDI

Real-time audio effects for any tab: reverb, filter, EQ, bitcrusher, delay + 17 more. MIDI control, per-tab settings, no account.

Browser FX transforms your web audio experience with real-time professional audio effects. Capture any tab's audio and shape it with studio-style knobs in a sleek dark interface, complete with an audio-reactive cymatic visualizer, and even hands-on control from your MIDI controller. 22 HIGH-QUALITY EFFECTS: Bitcrusher • CD Skipper • Reverb • Hall Reverb • Filter • Auto Filter • Comb Filter • Delay • Tap Delay • Distortion • Chorus • Phaser • Flanger • Tremolo • Vibrato • Auto Panner • Pitch Shifter • Ring Mod • Compressor • DJ EQ • Tape Stop • Lo-Fi Tape MIDI CONTROL: Map any MIDI controller to the knobs with one-click MIDI learn. Twist real hardware to shape your sound, and your controller keeps working even with the popup closed. One 4-knob controller drives every effect. KEY FEATURES: • Real-time audio processing on any website • Per-tab effects, run different effects on different tabs • Hardware MIDI control with built-in MIDI learn • Studio-inspired interface with responsive knobs and per-effect color themes • Audio-reactive cymatic visualizer, a Chladni plate pattern driven by your sound • Live parameter adjustment while audio plays • Full stereo processing • Settings automatically saved per tab • No account required, works instantly PERFECT FOR: Music streaming • Video content • Content creation • Audio experimentation • Lo-fi listening sessions SIMPLE TO USE: 1. Click the Browser FX icon 2. Choose an effect 3. Press the power button 4. Twist the knobs in real time, on screen or from your MIDI controller 5. Enjoy PRIVACY FIRST: All audio processing happens locally in your browser using the Web Audio API. No data collection, no external servers, complete privacy. MIDI access is optional and only used if you enable it.