Small Tools

Small single-file HTML tools, built with AI assistance

• 2048

  A simple 2048 clone

• Calendar 2026

  A useful tool

• Chinese Kinship Calculator

  A calculator-style app for determining the correct Chinese kinship terms for extended family members.

• Currency Converter

  Universal currency converter for USD, EUR, TWD (NTD), and JPY.

• DEBUT — IPO Lookup

  Look up IPO debut and day-90 prices via market APIs

• Donsol — a dungeon in 54 cards

  Play Donsol, the solo dungeon card game, on phone.

• Exact Time

  Clean time display with timezone switching

• IG Reel Scraper

  A useful tool

• Jackie Allergy Card - Portuguese

  EU allergen card for Portugal travel, Portuguese and English

• Pick 1

  Multi-touch random selector - tap the screen with multiple fingers to randomly choose one

• Sankey Studio

  Interactive Sankey diagram builder and exporter optimized for desktop

• Scoundrel — a dungeon in 44 cards

  Play Scoundrel, the solo dungeon card game, on phone.