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HTML Encoder

Encode special characters into safe HTML entities.

Encoding & DecodingBrowser-only • PrivateFree

HTML / Text

Encoded Entities

Output will appear here...

Privacy First: All processing happens locally in your browser. Your data never leaves your device and is never uploaded to any server.

About HTML Encoder

The HTML Encoder converts characters that have special meaning in HTML — like <, >, &, and quotes — into their entity equivalents so text displays literally instead of being parsed as markup. It's essential for showing code snippets on a page and for preventing broken or unsafe HTML. Encoding runs locally in your browser with nothing uploaded. To reverse it, use the HTML Decoder, and format markup with the HTML Formatter.

How to Use

1Open HTML Encoder and paste or type your data into the input area.
2Adjust any available options to match the result you want.
3Your output is generated instantly — no button-clicking required for most tools.
4Use the Copy or Download button to save your result.

Common Use Cases

Encoding data for URLs, APIs, and data URIs
Debugging tokens, headers, and encoded payloads
Converting between text, hex, binary, and Base64
Safely embedding special characters in code and markup

Frequently Asked Questions

Which characters get encoded?

The characters that HTML treats specially are converted to entities: < becomes <, > becomes >, & becomes &, and quotes become " or ' so your text renders exactly as written.

Does encoding prevent XSS?

Encoding untrusted text before inserting it into a page is a key defense against cross-site scripting, because it stops the browser from executing injected markup. Always encode dynamic content in the right context.

Is HTML Encoder free to use?

Yes. HTML Encoder is completely free with no sign-up, no subscription, and no usage limits. Every tool on CodeUtilityKit is free forever.

Is my data safe when I use HTML Encoder?

Absolutely. HTML Encoder runs entirely in your browser. Your input is processed locally with JavaScript and is never sent to, stored on, or logged by any server — so it is safe even for private or sensitive data.