HTML
HyperText Markup Language
HTML is the backbone of every web page. You will learn how to structure content using elements like headings, paragraphs, links, images, tables, and forms - everything a browser needs to display a page.
Step-by-step tutorials, live examples, and interactive exercises covering every major web technology. Go from complete beginner to job-ready developer at your own pace.
EduSmartUp is more than tutorials — it’s a full developer platform with a pro editor, cloud storage, team collaboration, and a personal academy.
A full VS Code–style editor right in your browser. 20+ languages, multiple themes (One Dark, Dracula, Monokai, Nord), find & replace, auto-format, and live web preview. Sign in to save files to the cloud and open them on any device.
Drag & drop images directly into your code editor. PNG, JPG, GIF, WebP, and SVG are all supported. Images convert to base64 and insert as <img> tags, CSS background-image, or JS constants — at your cursor.
Share any file via a persistent link — just like GitHub. Choose View or Edit permission. Recipients with an account can edit the original file directly or fork it to their own workspace.
Organize your work into dedicated project rooms. Each Space gets a public URL, a stack label (Frontend, Backend, Fullstack, Data), and a visibility setting. Invite collaborators and manage who can view or edit.
Track your progress across all tutorials, earn XP, and get a personal learning dashboard. See your completed topics, streaks, and achievement history all in one place.
Browser-based utilities you can use instantly — no install required. Base64 encoder/decoder, JSON formatter & minifier, URL encoder, color picker, and quick-access reference sheets for HTML, CSS, and JavaScript.
Type any language or topic and jump straight to it.
Each tutorial is self-contained - pick any topic and dive straight in.
HyperText Markup Language
HTML is the backbone of every web page. You will learn how to structure content using elements like headings, paragraphs, links, images, tables, and forms - everything a browser needs to display a page.
Cascading Style Sheets
CSS controls how HTML looks - colours, fonts, layouts, spacing, and animations. Master Flexbox, Grid, and responsive design to make websites look great on any screen size.
The Language of the Web
JavaScript adds interactivity to web pages. Learn variables, functions, loops, DOM manipulation, events, fetch/async, and modern ES6+ syntax used in every front-end project today.
General-Purpose Scripting
Python is one of the most popular languages in the world. Its clean, readable syntax makes it ideal for beginners. Covers variables, control flow, functions, OOP, file I/O, and standard modules.
Structured Query Language
SQL is the universal language for querying databases. Learn SELECT, INSERT, UPDATE, DELETE, JOIN, GROUP BY, and subqueries - essential skills for every back-end developer or data analyst.
Server-Side Scripting
PHP powers over 75% of all websites with server-side logic. Learn how to handle form data, connect to MySQL databases, build authentication systems, and create dynamic web applications.
UI Component Library
React is the most-used front-end library for building interactive UIs. You will learn JSX, components, props, state, hooks (useState, useEffect), context, and how to fetch data from APIs.
Server-Side JavaScript
Node.js lets you run JavaScript on the server. Build REST APIs, handle HTTP requests, work with the file system, and manage packages with npm - the foundation of modern back-end JavaScript development.
CSS Framework
Bootstrap gives you a ready-made grid system, components (navbars, cards, modals, buttons), and utility classes so you can build responsive layouts rapidly without writing all CSS from scratch.
JavaScript Utility Library
jQuery simplifies DOM manipulation, event handling, animations, and AJAX calls. It is still widely used in legacy projects and plugins - a practical skill when working with older codebases.
Object-Oriented Programming
Java is a statically typed, class-based language used in enterprise software, Android apps, and back-end systems. Learn OOP principles, data structures, exception handling, and collections.
Systems & Performance Programming
C++ is a high-performance language used in game engines, operating systems, and embedded devices. Learn pointers, memory management, classes, templates, and the Standard Library.
Not sure where to start? Follow a structured path from zero to job-ready.
Structure, semantics, forms
Flexbox, Grid, media queries
DOM, events, fetch, ES6+
Rapid UI components
Components, state, APIs
Variables, loops, functions
Queries, joins, indexes
Forms, sessions, MySQL
Express, JSON, auth
Classes, interfaces, collections
The visual foundation
Complete frontend stack
APIs, authentication
Relational data modelling
Portfolio, deploy, iterate
Everything you need right alongside your learning journey.
Quick browser-based utilities — no install, no account required.
Convert text to Base64 or decode Base64 back to plain text.
Paste messy JSON to format, validate, or minify it instantly.
Encode special characters for URLs or decode URL-encoded strings.
Short, practical answers to the questions every developer Googles.
Use the <a href="url"> element. Add target="_blank" to open in a new tab, and always include rel="noopener" for security.
Apply display:flex; justify-content:center; align-items:center; to the parent. This works for both horizontal and vertical centering.
Use element.addEventListener('click', fn) - the modern preferred approach over inline onclick attributes.
Use with open('file.txt') as f: data = f.read(). The with block automatically closes the file even if an error occurs.
Use INNER JOIN table2 ON t1.id = t2.fk_id to match rows from both tables on a shared column value.
Use mysqli_connect(host, user, pass, db) or the PDO class for prepared statements that prevent SQL injection.
const [count, setCount] = useState(0) - the first item is the current value, the second is the function that updates it.
Install Express, then app.get('/route', (req, res) => res.json({})) defines a GET endpoint that returns JSON.
Add the viewport meta tag, use %, rem, or vw units, and write CSS media queries for each screen-size breakpoint.
Use fetch(url).then(r => r.json()).then(data => ...) or async/await inside an async function.
public class Dog { String name; void bark() { ... } } - instantiate with Dog d = new Dog();.
Declare with int* ptr = &var;. Dereference with *ptr to read or write the value at that memory address.
We built EduSmartUp the way we wished developer platforms worked — full-featured, and always improving.
20+ languages, multiple themes, auto-format, find & replace, and live web preview. Your files save to the cloud — access them from any device, any time.
Drag, drop, or paste images directly into your editor. They insert as <img> tags, CSS background-image, or JS constants — exactly where your cursor is.
Share files via persistent links with view or edit permission. Recipients can fork files to their workspace or edit the original directly — full Git-flow minus the complexity.
Organize work into dedicated rooms by stack. Each Space gets a public URL, collaborator roles, and visibility controls. Perfect for portfolio labs and team practice.
Every tutorial is carefully sequenced from fundamentals to advanced topics. HTML to React, Python to SQL — each course is self-contained with live runnable examples.
Track your learning with XP, streaks, and completion history. Your student account gives you a personal dashboard to see exactly where you are and what's next.
<img> tag, CSS background-image, or JS constant right at your cursor. Your project image gallery persists across sessions.Feedback from people who learned to code with EduSmartUp.
"The HTML and CSS tutorials explained layout better than any YouTube video I had watched. The examples are short and they actually work - I went from zero to building my first landing page in a week."
"I used EduSmartUp's Python and SQL sections intensively for three months and landed my first data analyst internship. The explanations are concise and the code boxes make everything easy to follow."
"Dark mode and mobile support make it possible to study on my commute. The JavaScript section finally made DOM manipulation click. The search overlay is also really handy for jumping between topics."
"The Try-It editor is brilliant. Being able to edit code and immediately see what changes in the output made concepts stick far better than reading alone. I recommend this site to everyone in my bootcamp."