Tweakpane is a compact GUI library for fine-tuning parameters and monitoring value changes in web applications.
The tool solves the problem of needing a lightweight, embeddable control panel for interactive parameter adjustment and real-time value observation. It provides input bindings for numeric, string, boolean, color, and multi-dimensional point values, alongside read-only monitor bindings for displaying values without user modification. The library includes UI components like folders, tabs, buttons, and separators to organize controls, and supports theming to match application aesthetics. An extensible plugin system allows developers to add custom control types beyond the built-in offerings.
Tweakpane suits projects where developers need quick parameter tweaking during development or runtime adjustment for end users, particularly in creative coding, visualization, and interactive web applications. It is a zero-dependency library with a clean, simple design, making it lightweight to integrate. The tool explicitly positions itself as an alternative to dat.GUI, with a migration guide provided for users of that library. TypeScript support is available through the @tweakpane/core package. The library also supports mobile interfaces, JSON import and export for configuration persistence, and custom theming.
The project maintains active continuous integration with automated testing and coverage tracking. Development follows a modular architecture that supports both ES modules and CommonJS in earlier versions. The codebase includes comprehensive documentation with a design kit available to assist developers building custom plugins.