HTML Encoder / Decoder: Free Online Entity Converter & Sanitizer
Convert special characters to HTML entities (Encode) or revert them back to code (Decode).
The Essential Online HTML Entity Encoder and Decoder
The HTML Encoder / Decoder is a crucial online entity converter for web developers, bloggers, and anyone displaying code snippets online. This free tool automates the process of HTML encode (converting characters like < to <) and HTML decode (reverting entities back to code). Encoding reserved characters is essential for security and ensuring the browser displays the code text instead of running it.
Use the HTML Encoder to sanitize code before posting it in tutorials or forums. Use the HTML Decoder to quickly view the original source of an encoded snippet. This tool is completely client-side, ensuring your data is never uploaded to any server, guaranteeing security for your code.
Quick Guide: HTML Encode and Decode
- Choose Mode: Select Encode to convert code to safe entities, or Decode to revert entities back to code.
- Input: Paste your HTML snippet into the left box or Upload a .txt file.
- Live Mode: Keep "Live Conversion" checked for instant output as you type.
- Result: The converted string appears instantly in the right box, ready for secure copy-pasting.
Frequently Asked Questions
If you write <div> directly in an HTML file, the browser creates a division. If you want to show the text "<div>" to the user, you must encode HTML by writing <div>. This prevents the browser from interpreting them as actual tags.
The ampersand symbol (&) is the most important character to encode. The encoder converts it to &. This prevents the browser from thinking the & starts a new HTML entity (like <). In Decode mode, it converts entities back to their respective symbols.
Yes, absolutely. This utility is a completely client-side tool. All encoding and decoding runs locally within your web browser using JavaScript. Your HTML or encoded text is never uploaded to any server, guaranteeing security for your code.