Random tools I wrote

CBOR to JSON Converter - Convert CBOR (Concise Binary Object Representation) format to human-readable JSON format
Bech32 Wallet Address Converter - Convert cryptocurrency wallet addresses in Bech32 format
Should I take (Hong Kong) Taxi? - A tool to calculate Hong Kong taxi fare using open data, because Google Map somehow removed that feature
Medium Backdating Tool - Generate URLs that allow easy backdating of Medium stories
NoSleep - A simple tool to prevent your computer from going to sleep
e-ink-sim - A Chrome extension that simulates e-ink display in your browser
Threads Country Flags - A Chrome extension that adds country flags to Threads profiles based on their location

Libraries

minimax-speech-ts - TypeScript SDK for the Minimax Speech API, with streaming support and typed error handling
nuxt-gre-pixel-module - Nuxt 2 module for Google Retail Event pixel tracking
epubcheck-ts - TypeScript wrapper for EPUBCheck validation
epub.ts - TypeScript library for parsing EPUB files