Codificador de Entidades HTML e Conversor de Caracteres Especiais
Codificador de Entidades HTML e Conversor de Caracteres Especiais
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Fórmula e Método de Cálculo
Reserved Character ➔ Ampersand (&) + Entity Name or Number + Semicolon (;)
For example, the less than sign `<` is reserved for opening HTML tags. To display it as visible text, it must be encoded as the entity `<`.
Melhores Práticas e Dicas
- Always Encode User Input: Failing to encode HTML characters in user submitted data (like blog comments) allows hackers to inject malicious `<script>` tags, causing catastrophic Cross Site Scripting (XSS) attacks.
- Use Named Entities for Readability: When writing raw HTML, use named entities (like `©`) instead of numeric entities (like `©`) so other developers can easily understand the code.
- Decode Before Database Storage: Generally, you should store raw, unencoded strings in your database, and only apply HTML entity encoding at the exact moment the data is rendered onto the frontend view.