Everything in the catalog

Parses YAML and writes TOML.

Log work tasks by impact and effort, keep them in the browser, and generate an AI monthly report with your own Groq key.

Knit and crochet helper that suggests size, checks yarn yardage and gauge; no login and works offline.

A canvas-based photo editor for adding text, pixelating sensitive areas and other edits without uploading images.

Drag-and-drop seating plan for a wedding reception that an AI agent can also edit through WebMCP.

PWA for working out coffee-to-water amounts, timing a pour-over and following brew recipes offline.

Calculates how much coffee to use for a brew, even without a scale, and works offline as a PWA.

Converts a knitting swatch into stitch, row and yarn-length estimates for a target size.

A polyphonic sample-based synthesizer web app that connects to MIDI input.

A 3D planner that shows the shadow a shade sail casts over a garden at chosen times of day and year.

Customizable interval timer for boxing, MMA and similar training, with progress indicators and audio alerts.

Estimates body fat percentage with the US Navy method and keeps your values in the browser.

Renders exported Claude widgets and artifacts offline with the missing theme styles restored, and stores them in the browser.

Chinese junior-high math lab with 24 draggable, slider-driven formula modules and local progress tracking in one offline file.

Runs Python in the browser through Pyodide WebAssembly, with a code editor, .py load and save, and micropip packages.

Client-side TDEE and macro calculator with weight projections, diet presets and weight logging.

A click-to-edit visual editor for HTML pages made by AI tools, with text, color and font changes and clean HTML export.

Generates placeholder text in a chosen length.

Animated pacer that walks you through the 4-7-8 breathing pattern for calming down.

Lays out passport-style photos on printable pages, with automatic cropping, from many uploaded images.

Aviation calculator for approach minima, climb gradient, rate of descent and common unit conversions.

Installable web app for designing homebrew beer recipes, in Spanish.

Chinese-language calorie tracker: photograph a meal, an AI model names the dish, and calories are tracked against a daily target.

Electronics calculators for resistor color codes, Ohm's law, voltage dividers and more.