a16.xyz a16.xyz

A collection of tools
by Abhishek

A selection of my work building elegant, functional solutions. Editors, converters, and writing — built with simplicity, performance, and developer experience in mind.

~/projects $ ls a16.xyz
reqline/
python/
snippet/
random-hub/
type-master/
unraveljs.md
$ echo "5 tools · 1 blogs · 0 in progress"

Projects & Writing

A selection of tools, editors, and blogs I've built. Each one ships with a live demo — click through to try it.

App

Reqline

A focused desktop API testing client built for developers who want to test and debug HTTP requests without the weight of bigger clients. Supports all HTTP methods, bearer/basic/API-key auth, environment variables, cURL import, collections, and a built-in MCP server that lets AI agents (Claude, Cursor, Warp) drive your API workflows.

Electron React TypeScript Node.js MCP
GET POST PUT DELETE
GET api.example.com/users/42
200 OK · 48ms
{
"id": 42,
"ok": true
}
Web App

Python Playground

A browser-only Python IDE that runs Python entirely client-side via Pyodide/WebAssembly. Perfect for teaching, quick experiments, and prototyping — no Python install, no virtualenv, no cloud runtime. Your code never leaves your machine.

Pyodide WebAssembly React TypeScript Monaco
main.py
def fib(n):
return n if n < 2 else fib(n- 1)+fib(n- 2)
>>> fib( 10)
55
via Pyodide · WASM ● Ready
Web App

Code Snippet Editor

A powerful web-based tool for developers to create visually appealing code snippet images. Features syntax highlighting, multiple themes, customizable styling, and export options for sharing code on social media, documentation, or presentations.

React TypeScript Monaco Editor Canvas API
snippet.png
const greet = () => {
  return "hello"
}
Web App

Random Hub

A comprehensive platform which you can randomize several outcomes

React TypeScript Game API WebSocket Node.js
🎲
🎰
🃏
🎯
🎲
🪙
random() 0.847
Web App

Type Master

An advanced typing practice platform designed to help users improve their typing speed and accuracy. Features interactive lessons, real-time feedback, comprehensive analytics, typing games, and progress tracking for all skill levels.

React TypeScript Web Audio API Canvas IndexedDB
The quick brown f ox jumps over the lazy dog
WPM 87
ACC 96%
Blog

UnravelJS

A comprehensive resource for frontend developers offering clear explanations, tips, and updates on JavaScript, TypeScript, React, Vue, and the entire frontend ecosystem. Focuses on providing practical insights without unnecessary noise, helping developers master modern frontend development. Completely maintained by an OpenClaw agent.

Next.js TypeScript MDX Tailwind CSS Vercel
JS Closures, demystified
TS Discriminated unions
React useEffect pitfalls
Vue Composition API tips