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

Flutter State Management Riverpod & BLoC Pattern

Manage Flutter state at scale — Riverpod providers, BLoC pattern, Cubit, and choosing between them.

SwiftUI Advanced Animations NavigationStack & Combine

Go deeper with SwiftUI — matched geometry animations, NavigationStack, Combine publishers, and async/await.

Android Architecture MVVM Room DB & Hilt DI

Build production Android apps — MVVM with ViewModel, Room database, Hilt DI, Coroutines, and Flow.

Jetpack Compose Tutorial Modern Android UI 2026

Build Android UIs declaratively with Jetpack Compose — Composables, state, theming, navigation, and animations.

Ollama Tutorial Run LLMs Locally on Your Machine 2026

Run open-source LLMs locally with Ollama — setup, models, API, Python integration, and hardware requirements.

Zaheer Ahmad • Apr 06 • 6 min read min

AutoGen Tutorial Multi Agent Conversation Framework

Build multi-agent AI systems with AutoGen — AssistantAgent, UserProxyAgent, group chat, and tool calling.

LlamaIndex Tutorial Data Framework for LLM Applications

Index and query your data with LlamaIndex — document loaders, node parsers, query engines, and agents.

Building MCP Servers Model Context Protocol Tutorial

Build custom MCP servers to extend AI assistants — tools, resources, prompts, and connecting to Claude.

Prompt Caching & LLM Cost Optimization Guide 2026

Reduce LLM API costs — prompt caching, token counting, model selection, batching, and caching strategies.

Multimodal AI Tutorial Images Audio & Video with LLMs

Work with multimodal LLMs — vision, audio transcription, image generation, and combining modalities.

LLM Evaluation Testing & Benchmarking AI Applications

Evaluate LLM applications — RAGAS metrics, hallucination detection, relevance scoring, and regression testing.

Building a RAG Chatbot End to End Python Project 2026

Build a complete RAG chatbot — ingest docs, embed, store in vector DB, query, and deploy as a web app.

OpenAI Function Calling & Structured Outputs Tutorial

Extract structured data from LLMs — function calling, JSON mode, response_format, and tool use patterns.

Python Protocol & Structural Subtyping Guide

Use Python Protocols for duck typing with static checks — Protocol, runtime_checkable, and structural subtyping.

Python CLI Tools Click Typer & Rich Terminal Apps

Build professional CLI tools in Python — Click commands, Typer types, Rich for beautiful terminal output.

Python Testing Advanced Fixtures Mocking & Coverage

Level up Python testing — complex fixtures, unittest.mock, patch, parametrize, coverage reports, and tox.

Pydantic Tutorial Data Validation & Settings in Python

Validate and serialize data with Pydantic v2 — models, validators, serialization, settings management.

Gradio Tutorial Build AI Demo Apps in Python 2026

Create interactive AI demos with Gradio — Interface, Blocks, components, sharing with Hugging Face Spaces.

Streamlit Tutorial Build Data Apps with Python 2026

Turn Python scripts into shareable web apps with Streamlit — widgets, charts, state, caching, and deployment.

Polars Tutorial Fast DataFrame Library for Python 2026

Process data 10x faster with Polars — lazy evaluation, expressions, scan, and migrating from pandas.

Zaheer Ahmad • Apr 05 • 5 min read min

Database Replication & High Availability Patterns

Implement database HA — primary/replica replication, failover, read replicas, and sharding patterns.

Graph Databases Neo4j Tutorial & Cypher Query Language

Model and query connected data with Neo4j — nodes, relationships, Cypher queries, and graph algorithms.

ClickHouse Tutorial OLAP Database for Analytics 2026

Analyze billions of rows in seconds with ClickHouse — table engines, MergeTree, aggregations, and real-time data.

DuckDB Tutorial In Process Analytical Database 2026

Run fast analytical queries locally with DuckDB — SQL on CSV/Parquet, pandas integration, and data exploration.