A simple js-html in-browser EQ tool to help simplify EQ process by offering different levels of customizations depending on your needs.
- 10-band parametric EQ with visual curve editing
- Custom frequency range boost/cut areas
- Real-time spectrum analyzer with adjustable FFT resolution and smoothing
- Gapless playback and looping selected region supported
- lyrics display with synchronized scrolling (.lrc import) to help you find regiosn you want to loop quicker
- Support full PEQ and import / export in Squiglink format, Wavelet GraphicEQ format support
- Keyboard shortcuts for all major functions
Open index.html in a modern browser (Chrome, Firefox, Edge). No server required.
Drag and drop audio files onto the app, or click to browse. Supported formats: MP3, WAV, OGG, FLAC, M4A, AAC, OPUS, WebM.
Majority of code were generated by Qwen3.8 with manul debugging and fxes.