ASCII & HTML Entity Converter
Convert text to ASCII codes, HTML entities, and Unicode points. Decode obscure entities back to plain text, find the numeric representation of any character, and browse common developer entities for HTML, CSS, and JS.
| Char | Dec | Hex | HTML Entity | Hex Entity |
|---|---|---|---|---|
Common Entities
Quick Reference
- A-Z: 65-90
- a-z: 97-122
- 0-9: 48-57
- Space: 32
- Newline: 10
What are ASCII and HTML Entities?
ASCII (American Standard Code for Information Interchange) is a character encoding standard for electronic communication. Each character (letter, number, or symbol) is assigned a numeric value from 0 to 127. HTML Entities are used to display reserved characters (like < and >) or characters not present on a standard keyboard. Using entities ensures that the browser interprets the characters as text rather than HTML tags, preventing broken layouts or security vulnerabilities like Cross-Site Scripting (XSS).
Encoding characters for security and compatibility
When handling user input in web applications, it's crucial to escape special characters. In PHP, functions like htmlspecialchars() or htmlentities() convert characters to their entity equivalents. In Laravel's Blade templates, the {{ $variable }} syntax automatically escapes output using these methods. This tool allows you to manually find the decimal, hexadecimal, and entity codes for any character, which is particularly useful for obscure symbols or when debugging character encoding issues in databases and API responses.