Most Popular
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Free AI chat powered by Llama 3.1 8B. Ask anything - code, math, writing.
AI Python Quiz
Generate MCQ quizzes on any Python topic. Type topic, get instant questions.
Python Compiler
Run Python code directly in your browser with syntax highlighting.
Python Quiz
Test your Python skills with an interactive quiz and instant feedback.
Prompt Generator
Generate structured prompts for ChatGPT, Claude, and other LLMs.
Daily Homework Generator
Generate daily practice homework and question papers for any class and subject.
Token Counter
Count tokens for OpenAI, Claude, and other AI models.
Prompt Cost Calculator
Estimate API costs for your AI prompts and completions.
AI Code Explainer
Get plain-English explanations of code using AI.
Regex Generator
Generate regular expressions from plain English descriptions.
SQL Generator
Generate SQL queries from natural language descriptions.
CSV Analyzer
Upload and analyze CSV files with charts and statistics.
Dataset Cleaner
Clean and preprocess datasets for machine learning.
ML Playground
Interactive machine learning model training and visualization.
Resume ATS Checker
Check if your resume is ATS-friendly with a detailed score and tips.
AI Career Roadmap Generator
Generate a personalized data science and AI career roadmap.
SQL Formatter
Format and beautify SQL queries instantly.
SQL Query Runner
Run SQL queries against sample databases in your browser.
SQL Playground
Practice and run SQL queries in a live browser playground.
PostgreSQL Query Generator
Generate PostgreSQL queries from plain English descriptions.
Password Generator
Generate strong, random passwords with customizable options.
HTML Preview
Live HTML/CSS/JS editor with instant preview.
Python
Python Compiler
Run Python code directly in your browser with syntax highlighting.
Jupyter Lite
Create and run Jupyter-style notebooks in your browser.
Pandas Playground
Explore and manipulate DataFrames with a visual interface.
NumPy Playground
Experiment with NumPy arrays and mathematical operations.
Python Quiz
Test your Python skills with an interactive quiz and instant feedback.
Data Science
AI Engineering
Prompt Generator
Generate structured prompts for ChatGPT, Claude, and other LLMs.
Prompt Optimizer
Improve your prompts for better AI responses.
Token Counter
Count tokens for OpenAI, Claude, and other AI models.
Prompt Cost Calculator
Estimate API costs for your AI prompts and completions.
AI Code Explainer
Get plain-English explanations of code using AI.
Regex Generator
Generate regular expressions from plain English descriptions.
SQL Generator
Generate SQL queries from natural language descriptions.
SQL & Database
SQL Formatter
Format and beautify SQL queries instantly.
SQL Validator
Validate SQL syntax and catch errors before running.
SQL Query Runner
Run SQL queries against sample databases in your browser.
SQL Practice IDE
Practice SQL with an interactive IDE and exercises.
ER Diagram Generator
Generate ER diagrams from SQL or table definitions.
SQL Playground
Practice and run SQL queries in a live browser playground.
PostgreSQL Query Generator
Generate PostgreSQL queries from plain English descriptions.
Web & API
JSON Formatter
Format, minify, and pretty-print JSON data.
JSON Validator
Validate JSON syntax and structure instantly.
JSON Compare
Compare two JSON objects and find differences.
JSON to CSV
Convert JSON data to CSV format easily.
CSV to JSON
Convert CSV data to JSON format easily.
HTML Preview
Live HTML/CSS/JS editor with instant preview.
CSS Playground
Experiment with CSS properties in real-time.
JS Playground
Write and run JavaScript code in your browser.
React Playground
Build and test React components in the browser.
Tailwind Playground
Try Tailwind CSS utility classes with live output.
REST API Tester
Test REST APIs with a visual interface and history.
JWT Decoder
Decode and inspect JSON Web Tokens instantly.
JWT Generator
Generate JWT tokens for testing and development.
Machine Learning
ML Playground
Interactive machine learning model training and visualization.
ML Algorithm Visualizer
Visualize how common ML algorithms work step by step.
Neural Network Simulator
Build and simulate neural networks in your browser.
Gradient Descent Simulator
Visualize how gradient descent optimizes models.
Decision Tree Visualizer
Visualize decision tree algorithms interactively.
PCA Visualizer
Visualize Principal Component Analysis on datasets.
KMeans Visualizer
Visualize K-Means clustering algorithm step by step.
Transformer Attention Visualizer
Visualize self-attention mechanisms in transformers.
Backpropagation Visualizer
Step through backpropagation in neural networks.
CNN Visualizer
Visualize convolutional neural network layers.
RNN Visualizer
Visualize recurrent neural network processing.
Career AI
Productivity
Word Counter
Count words, characters, sentences, and paragraphs.
Markdown Preview
Live preview for Markdown with syntax highlighting.
HTML to Markdown
Convert HTML content to clean Markdown syntax.
Markdown to HTML
Convert Markdown to HTML with live preview.
Text Diff Checker
Compare two texts and highlight differences.
Password Generator
Generate strong, random passwords with customizable options.
Password Strength Checker
Check how strong your password is and get improvement tips.
Hash Generator
Generate MD5, SHA-1, SHA-256 hashes from any input.
Base64 Encoder
Encode and decode Base64 strings quickly.
URL Encoder
Encode and decode URLs for safe transmission.
UUID Generator
Generate v4 UUIDs for your projects.
Lorem Ipsum
Generate placeholder text in various lengths.
Fake Data Generator
Generate realistic fake data for testing.
Color Palette
Generate beautiful color palettes and gradients.
Dockerfile Generator
Generate Dockerfiles for your applications.
Docker Compose Generator
Generate docker-compose.yml files interactively.
.gitignore Generator
Generate .gitignore files for any project type.
.env Generator
Generate .env files with environment variables.
YAML Validator
Validate and lint YAML syntax.
Data Analyst Salary Calculator
Estimate data analyst salary by experience, skills and city.
Course Fee EMI Calculator
Calculate monthly instalments for data science & AI course fees.