# HTML Entity Encoder & Decoder

> Convert characters to HTML entities and back — escape markup safely for display.

To encode HTML entities, paste text containing angle brackets, ampersands or quotes and they are replaced with safe entity references. This is the standard defence against cross-site scripting when displaying untrusted content inside a web page.

**URL:** https://convertto.tech/t/html-entity-encode-decode
**Category:** Encoders & Decoders (https://convertto.tech/c/encoding-tools)
**Privacy:** Runs entirely in the browser; no upload
**Cost:** Free, no sign-up
**Last updated:** 2026-08-01

## Key facts

- **Privacy:** Runs entirely in your browser — nothing is uploaded
- **Cost:** Free, unlimited, no sign-up

## How to use

1. Enter or paste your text or html.
2. Choose the direction.
3. Turn "Encode all non-ASCII" on or off as needed.
4. The result appears immediately — copy or download it.

## FAQ

### Which characters must be escaped in HTML?

At minimum < > & in text content, plus quotes inside attribute values. Failing to escape & silently breaks entities, and failing to escape < is how untrusted content becomes executable script.

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