What this tool does
- Encodes plain text as named, decimal, or hexadecimal HTML entities.
- Decodes entity-encoded snippets back into readable text.
When to use it
- Escape special characters before pasting HTML into docs, templates, or demos.
- Inspect copied markup that contains
&, <, or <. - Compare named, decimal, and hexadecimal entities for compatibility needs.
Notes on entity formats
- Named entities are easiest to read, but not every character has one.
- Decimal and hexadecimal entities can represent any Unicode character, including emoji.
- Unknown or invalid entities are left unchanged when decoding.
How to use
Edit either the plain-text or encoded field to convert automatically in both directions. Choose named, decimal, or hexadecimal entities and the character range used for encoding; copy or clear beside either field, or reset the example. The same conversion is available through the HTTP API below.