Markdown Viewer
Drop a .md file and view it rendered with GFM tables, task lists, syntax-highlighted
code, KaTeX math, and Mermaid diagrams. Save as PDF, download as HTML, or copy with one click.
Runs entirely in your browser; your files never leave your device.
MCP Unpack
Paste any remote MCP server URL and get a clean, shareable reference of every tool, resource, and prompt it exposes: "the npm package page, but for an MCP server."
Open ToolPDF Merge & Split
Combine multiple PDFs into one, or split a PDF at specified page numbers. Runs entirely in your browser. Files are never uploaded.
Open ToolFourier Audio Lab + AI
Build complex sounds from sine waves, visualize the Fourier transform in real-time, and train a neural network in the browser to classify them.
Open LabTrigonometry Visualized
An interactive educational tool for exploring the unit circle. Visualize sine, cosine, and tangent in real-time, and understand their connection to sine waves through guided lessons.
Explore TrigChi-Square Goodness of Fit Tool
A professional statistical calculator for goodness-of-fit testing. Upload your datasets (CSV/Excel) or enter data manually to calculate P-Values, Critical Values, and visualize distributions instantly.
Open ToolChi-Square Goodness of Fit Explorer
Interactive statistical workbench for hypothesis testing. Learn Chi-Square concepts through real-world scenarios (Genetics, Fair Dice), dynamic visualizations, and step-by-step tutorials.
Launch ExperimentInteractive Tariff Economics Platform
A comprehensive educational tool for understanding trade economics. Features interactive supply/demand simulations, real-world scenarios, guided tutorials, and quizzes to master concepts like deadweight loss and surplus.
Start LearningAnthropic Efficiency Visualizations
Experimental visualizations illustrating how AI transforms engineering work at Anthropic. Includes productivity velocity, organic metaphors, and xenographic workflows.
Open Gallery