HTML Entity Encoder/Decoder

Convert HTML special characters to entities — and back. Named, numeric, and hex formats supported.

Encode mode:

Plain HTML / Text

Encoded HTML

Encoded output will appear here…

Critical mode encodes the 5 characters that break HTML: & < > " ' · All non-ASCII mode additionally numeric-encodes extended characters like emoji and accented letters.

Common Named Entities — click to copy

100% client-side · your content never leaves the browser

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