eqext

6-band parametric audio equalizer with real-time spectrum visualizer, preamp volume booster, and spatial 3D audio.

eqext is a studio-grade 6-band parametric audio equalizer and volume booster designed to fine-tune web audio directly in your browser. Control and enhance audio playback in real-time with zero perceptible latency across all video players, web streams, and music media. KEY FEATURES: • 6 Parametric Filter Bands: Precision frequency control from sub-bass to highs (20 Hz to 20,000 Hz). • Exact Frequency Response Curve: Real-time mathematical composite curve rendering at 60+ FPS. • Dynamic Spectrum Visualizer: Fluid background frequency visualizer reacting smoothly to playing tab audio. • Master Preamp Volume Boost: Clean volume amplification from +0 dB up to +20 dB. • Anti-Clipping Soft Limiter: Built-in dynamics limiter prevents digital clipping distortion at boosted gain levels. • Spatial 3D Stereo Widener: Adjustable soundstage expansion from mono to extra-wide stereo. • Built-in Acoustic Presets: Includes ready-to-use profiles for multiple musical styles, bass enhancements, and vocal clarity. • Custom Preset Saving: Create, fine-tune, and store your own custom frequency curves locally. • Direct Node Control: Click and drag nodes to set frequency and gain, and scroll the mouse wheel over handles to adjust filter bandwidth. PRIVACY & SECURITY: • 100% Local Processing: All audio DSP runs entirely on-device using the standard Web Audio API. • Zero Data Collection: No telemetry, no browsing history recorded, and no requests sent to external servers.