Free Development Tools

Useful tools for your web development journey.

Explore Our Free Tools

Below is a categorized list of free HTML, CSS, and JavaScript tools to aid you in your development work. Click on any tool to start using it!

Text & Code Manipulation

HTML/CSS/JS Editor
Code Beautifier/Formatter
Code Minifier (HTML/CSS/JS)
Code Diff Tool
Code Snippet Manager
Text Case Converter
Character Counter
Word Counter
Sentence Counter
Line Counter
Duplicate Line Remover
Text Replacer
Random String Generator
Lorem Ipsum Generator
URL Encoder/Decoder
Base64 Encoder/Decoder
Markdown to HTML Converter
JSON Validator
XML Validator
HTML Table Generator
CSS Button Generator
Form Generator
Menu Generator
Image Gallery Markup Generator

Design & Graphics

Color Picker
Color Palette Generator
Color Converter (RGB, Hex, HSL)
Contrast Checker
Colorblindness Simulator
Image Resizer
Image Cropper
Image Converter
Image Compression Tool
Simple Drawing Tool
Basic Image Editor
Watermarking Tool
CSS Gradient Generator
CSS Shadow Generator
CSS Animation Generator
CSS Grid Generator
CSS Flexbox Generator
CSS Transform Visualizer
CSS Shapes Generator

Calculators & Converters

Basic Calculator
Scientific Calculator
Percentage Calculator
Unit Converter
Date Calculator
Simple Interest Calculator
Compound Interest Calculator
Loan Payment Calculator
Tip Calculator
Number Base Converter
Timestamp to Date Converter
Date to Timestamp Converter
Currency Converter
Roman Numeral Converter

Educational & Learning

HTML/CSS/JS Interactive Tutorial
Game Development Tutorial
Algorithm Visualizer
Data Structure Visualizer
Flashcard Maker
Typing Tutor
Quiz App

Productivity & Utilities

To-Do List
Note Taking App
Timer/Stopwatch
Pomodoro Timer
Password Generator
QR Code Generator
Random Number Generator
Dice Roller App
Personal Finance Tracker
Simple Interactive Calendar

Game & Entertainment

Tic-Tac-Toe
Simon Says
Snake Game
Memory Matching Game
Rock, Paper, Scissors
Basic Audio Player
Basic Video Player

Data & Visualization

Bar Chart Generator
Line Chart Generator
Pie Chart Generator
Scatter Plot Generator
Interactive Table Display
JSON/CSV Viewer
Geolocation Tool
Simple Map Display

Accessibility & Testing

Accessibility Checker
Responsive Design Checker
Form Validator
Link Checker
Page Speed Tester

Generators

Placeholder Image Generator
Avatar Generator
Social Media Card Generator
Favicon Generator
Pattern Generator
Gradient Background Generator

Specialized Tools

Web Scraping Tool
API Request Tool
Cookie Inspector
Local Storage Explorer
Session Storage Explorer
Real-Time Chat App
File Storage Tool