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C++ Documentation

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C++ Documentation

Browse the English documentation on the project's website. Documentation opens in a new tab.

https://en.cppreference.com/w/
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Base64 Encoder / Decoder

Convert Unicode text to Base64 and back.

Encoding ↗

JavaScript Formatter

Format and check JavaScript code locally.

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HTML Formatter

Format and check HTML code locally.

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CSS Formatter

Format and check CSS code locally.

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JSON Formatter

Format and check JSON code locally.

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XML Formatter

Format and check XML code locally.

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Java Formatter

Format and check Java code locally.

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SQL Formatter

Format and check SQL code locally.

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Code Highlighter

Highlight code and export a styled HTML snippet.

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Code Diff & Merge

Compare two texts line by line and build a merged result.

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LESS to CSS

Compile LESS variables, nesting and mixins into CSS.

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Markdown to HTML

Write Markdown and preview the resulting HTML.

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MathML & LaTeX Editor

Preview mathematical formulas and export MathML or HTML.

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HTML / CSS / JavaScript Playground

Edit a self-contained web page and run it in an isolated preview.

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JavaScript Minifier

Compress JavaScript with Terser.

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CSS Minifier

Optimize CSS declarations and remove unnecessary whitespace.

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HTML Minifier

Minify HTML while preserving meaningful text whitespace.

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Merge & Minify JavaScript

Combine JavaScript files in the selected order and minify the result.

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HTML / BBCode Converter

Convert common BBCode tags and HTML formatting.

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CSV to HTML Table

Turn quoted CSV data into an escaped HTML table.

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htpasswd Generator

Generate an Apache-compatible bcrypt password entry.

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Text Encryption / Decryption

Encrypt or decrypt text with a password.

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Hash & HMAC Generator

Calculate message digests or keyed HMAC values.

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Image to Base64

Create a data URL from a local image.

Encoding ↗

Number Base Converter

Convert integer and fractional numbers between bases 2–36.

Encoding ↗

UTF-8 Hex Converter

Convert text to UTF-8 hexadecimal bytes and back.

Encoding ↗

Unicode Escape Converter

Convert text to ASCII-safe Unicode escapes and back.

Encoding ↗

URL Encoder / Decoder

Encode or decode a URL component.

Encoding ↗

QR Code Generator

Create QR codes with configurable size and error correction.

Encoding ↗

QR Code Reader

Read a QR code from an image on your device.

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Regular Expression Tester

Find matches, inspect groups and test replacements.

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MIME Types

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References ↗

HTML Entities

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RGB Color Reference

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ASCII Table

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HTTP Status Codes

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Java Operators

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C Operators

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PHP Operators

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Python Operators

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TCP / UDP Ports

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Web Font Reference

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jQuery Pagination Demo

Edit and run a self-contained interactive jQuery example.

Demos ↗

jQuery Syntax Highlighting Demo

Edit and run a self-contained interactive jQuery example.

Demos ↗

jQuery Dialog Demo

Edit and run a self-contained interactive jQuery example.

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jQuery Tooltip Demo

Edit and run a self-contained interactive jQuery example.

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Developer Documentation

Browse English documentation for languages, frameworks and databases.

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Java Documentation

Open English Java documentation and reference material.

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Android Documentation

Open English Android documentation and reference material.

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Jakarta EE Documentation

Open English Jakarta EE documentation and reference material.

Documentation ↗

Spring Documentation

Open English Spring documentation and reference material.

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Scala Documentation

Open English Scala documentation and reference material.

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jQuery Documentation

Open English jQuery documentation and reference material.

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PHP Documentation

Open English PHP documentation and reference material.

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MySQL Documentation

Open English MySQL documentation and reference material.

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C++ Documentation

Open English C++ documentation and reference material.

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PostgreSQL Documentation

Open English PostgreSQL documentation and reference material.

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Ruby on Rails Documentation

Open English Ruby on Rails documentation and reference material.

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Hibernate Documentation

Open English Hibernate documentation and reference material.

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Apache Struts Documentation

Open English Apache Struts documentation and reference material.

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Small tasks. Clear results.

Choose a tool, add your input and adjust the options. Copy or download the result when you are ready. Processing takes place in your browser; developer documentation opens on its publisher's website.Open-source licenses.