Marty's Dev Tools Logo Marty's Dev Tools
Cheatsheets About Privacy

Developer Cheatsheets

Printable reference sheets for the front-end essentials. Hit Ctrl+P on any sheet for a clean print layout.

HTML Cheatsheet

Quick reference for HTML elements, attributes, and semantic markup.

CSS Cheatsheet

Quick reference for CSS selectors, layout, typography, and animations.

JavaScript Cheatsheet

Quick reference for JavaScript syntax, arrays, DOM, and ES6+ features.

PHP Cheatsheet

Quick reference for PHP syntax, arrays, OOP, and built-in functions.

Python Cheatsheet

Quick reference for Python syntax, data structures, classes, and comprehensions.

C# Cheatsheet

Quick reference for C# syntax, LINQ, async/await, and OOP patterns.

Go Cheatsheet

Quick reference for Go syntax, concurrency, interfaces, and error handling.

Ruby Cheatsheet

Quick reference for Ruby syntax, collections, classes, and blocks.

Rust Cheatsheet

Quick reference for Rust syntax, ownership, error handling, and traits.

Nginx Cheatsheet

Quick reference for Nginx config, reverse proxy, SSL, and rewrites.

Docker Cheatsheet

Quick reference for Docker CLI, Dockerfile, Compose, and networking.

General

ASCII & Entity Converter Base64 Encoder CSV to JSON Diff Checker Hash Generator JSON Formatter JSON Generator JSON to CSV Lorem Ipsum Generator Password Generator Regex Tester Text Cleaner Unit & Base Converter UUID Generator YAML / JSON / TOML

Front-end

Colour Converter Flexbox / Grid Fluid Typography HTTP Status Codes Markdown Preview Slug Generator

Back-end

Chmod Calculator Cron Builder CSV to SQL CSV Validator cURL Converter Docker Compose Validator .env Diff GDPR Data Masker Htaccess Generator Htpasswd Generator JSON to Code JWT Decoder Redirect Tester SQL Formatter Timestamp Converter WordPress Password Hash
Free tools for developers
About Sitemap Privacy Terms
Esc
Recent tools All tools
↑↓ navigate ↵ open

Cookie Consent

We use cookies to improve your experience and analyze our traffic. Please choose whether you accept our use of cookies.