Simple &amp; Easy Programming Learning

2 🔧 🔥 HOT

JSON Formatter

Format, validate & explore JSON — 100% private

654K users

3 🔍

Regex Tester

Live match highlighting, groups & replace mode

412K users

4 🔐

Base64 Encoder

Encode & decode Base64 — supports file upload

345K users

5 📱 ⭐ ESSENTIAL

QR Generator

Generate QR codes for URL, WiFi, email, SMS & more

287K users

6 🎨 ⭐ ESSENTIAL

Color Picker

HEX, RGB, HSL, CMYK conversions & shade palettes

265K users

7 🌐

HTML Formatter

Beautify & validate HTML5 with syntax highlighting

198K users

8 🖌️

CSS Formatter

Beautify, minify & validate CSS instantly

187K users

9 ⚡

JS Formatter

Beautify JavaScript — K&R, Allman, Stroustrup styles

175K users

10 📝 ⭐ ESSENTIAL

Markdown Editor

Write Markdown with live preview & toolbar

143K users

11 📧 ✨ NEW

Email Verifier

Validate email format, MX records & detect disposable

128K users

12 🌍

DNS Lookup

Query A, MX, NS, TXT, CNAME & all DNS record types

110K users

13 🔎

WHOIS Lookup

Domain registration, expiry & ownership information

98K users

14 🛡️ ✨ NEW

Port Scanner

Scan open TCP ports on any host or server

87K users

15 🗄️

SQL Formatter

Format & beautify SQL — MySQL, PostgreSQL & T-SQL

76K users

Latest Tutorials

Fresh tutorials published regularly — all free for Pakistani students

Docker Networking Bridge Host Overlay & Custom Networks

Master Docker networking — bridge, host, none, overlay networks, DNS resolution, and multi-container communication.

Zaheer Ahmad • Apr 04 • 4 min read min

Semantic Versioning & Conventional Commits Guide

Automate releases with semantic versioning and conventional commits — commitlint, release-it, and Changesets.

GitLab CI CD Tutorial Pipelines Runners & Deployment

Build CI/CD pipelines in GitLab — .gitlab-ci.yml, stages, runners, artifacts, environments, and deployments.

GitHub Packages & Container Registry Publish & Use

Publish Docker images and npm packages to GitHub Packages — authentication, tagging, and pulling in workflows.

Git Internals Objects Trees Blobs & Packfiles

Understand how Git works under the hood — blob, tree, commit objects, refs, packfiles, and garbage collection.

GitHub CLI gh Complete Command Line Guide 2026

Use GitHub from the terminal with gh CLI — repos, PRs, issues, Actions, Codespaces, and gists.

TypeScript Compiler API & AST Manipulation Guide

Explore the TypeScript compiler API — parse TypeScript to AST, transform code, build codemods with ts-morph.

Zod Tutorial Runtime Schema Validation with TypeScript

Validate data at runtime with Zod — schemas, parsing, inference, integration with React Hook Form and tRPC.

TypeScript Decorators & Metadata Complete Guide

Apply TypeScript decorators for cross-cutting concerns — class, method, property decorators and metadata reflection.

Zaheer Ahmad • Apr 04 • 4 min read min

TypeScript Utility Types Partial Pick Omit & More

Use TypeScript's built-in utility types — Partial, Required, Pick, Omit, Record, ReturnType, Awaited, and more.

TypeScript Generics Advanced Patterns & Constraints

Master TypeScript generics — constraints, conditional types, infer, mapped types, template literal types.

Zaheer Ahmad • Apr 03 • 4 min read min

tRPC Tutorial End to End Type Safe APIs with TypeScript

Build type-safe APIs without code gen using tRPC — routers, procedures, middleware, and Next.js integration.

Circuit Breaker & Resilience Patterns for Microservices

Build resilient microservices — circuit breaker, retry, bulkhead, timeout patterns with Node.js/Python examples.

API Gateway Pattern Design Rate Limiting & Auth

Implement an API gateway — routing, rate limiting, auth, logging, circuit breaker, and tools like Kong, Traefik.

Event Driven Architecture Patterns & Node js Implementation

Design event-driven systems — event sourcing, CQRS, event bus, Node.js EventEmitter, and RabbitMQ integration.

Fastify Tutorial High Performance Node js Web Framework

Build blazing-fast APIs with Fastify — plugins, schema validation, hooks, TypeScript support, and benchmarks.

Node js Clustering & Worker Threads Multi Core Guide

Scale Node.js across CPU cores — cluster module, worker_threads, shared memory, and load balancing strategies.

Node js Streams Readable Writable & Transform Streams

Process large data efficiently with Node.js Streams — readable, writable, transform, piping, and backpressure.

Qwik Framework Tutorial Resumability & Zero Hydration

Build instant-loading apps with Qwik — resumability concept, components, signals, loaders, and QwikCity routing.

Remix Tutorial Full Stack React Framework 2026

Build full-stack apps with Remix — loaders, actions, nested routes, optimistic UI, and progressive enhancement.

React Server Components Full Guide 2026

Understand React Server Components — server vs client rendering, streaming, use server/use client directives.

React Router v6 Navigation Nested Routes & Guards

Build navigation with React Router v6 — routes, nested routes, loaders, actions, and protected route patterns.

React Query (TanStack Query) Server State Management

Fetch, cache, and sync server state with React Query — useQuery, useMutation, pagination, optimistic updates.

Zustand Tutorial Lightweight React State Management

Manage React state with Zustand — store creation, slices, middleware, persistence, and comparison with Redux.

React Testing Library Unit & Integration Testing Guide

Test React apps confidently — render, screen, userEvent, async queries, mocking, and testing custom hooks.