Tools & Utilities
A collection of web-based tools and utilities to help with various tasks.
Art
Values and Grid
Values and Grid Visualization
Explore and visualize value systems and grid-based layouts for artistic and design purposes.
Learning
Evolution Visualisation
Interactive Evolution Simulator
Visualize evolutionary processes through interactive simulations and genetic algorithms.
Money
UK Contractor Take Home Pay Calculator
Contractor Income Calculator
Calculate your take-home pay as a UK contractor with support for various tax scenarios and deductions.
SIPP Pension Planner
UK Pension Projection Calculator
Project your SIPP pension growth with compound returns, real terms value adjusted for inflation, and tax-free lump sum calculations for retirement planning.
Utilities
Scrap Pad
Online Note-Taking Tool
Record quick notes for access later on any device with a web browser.
Text Formatter
Multi-Format Data Tool
Format, beautify, minify, and validate JSON, XML, HTML, and other text formats with real-time processing.
Image Processor
Image Optimization Tool
Optimize and convert images with support for multiple formats (JPEG, PNG, WebP, SVG, BMP, TIFF, GIF). Resize, adjust quality, and apply filters - all processed in your browser for complete privacy.
Demos
Svelte Custom Elements Demo
Interactive Calculator Components
Technical demonstration of Svelte 5 custom elements used throughout the site.