HTML Entity Encoder / Decoder
100% In-Browser Privacy
Convert special characters to named, decimal, or hex HTML entities.
Format:
Scope:
Presets:
HTML5 Special Character & Named Entity Dictionary (28)
&
&Ampersand
<
<Less Than
>
>Greater Than
"
"Double Quote
'
'Apostrophe / Single Quote
©
©Copyright Symbol
®
®Registered Trademark
™
™Trademark Symbol
—
—Em Dash
–
–En Dash
“
“Left Double Quotation
”
”Right Double Quotation
€
€Euro Sign
£
£Pound Sterling
¥
¥Yen Sign
¢
¢Cent Sign
₹
₹Indian Rupee Sign
∞
∞Infinity Symbol
±
±Plus-Minus Sign
×
×Multiplication Sign
÷
÷Division Sign
≠
≠Not Equal To
≤
≤Less-than or Equal
≥
≥Greater-than or Equal
→
→Rightwards Arrow
←
←Leftwards Arrow
↑
↑Upwards Arrow
↓
↓Downwards Arrow
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100% Zero-Upload Privacy
All computation executes exclusively inside your device memory using Web APIs and WebAssembly. No data or files ever leave your browser.
Real-Time Native Execution
Zero network roundtrips. Operates offline without sending external API requests, delivering instantaneous sub-millisecond computation.
Developer-First Architecture
Engineered with RFC standards, cryptographic primitives (Web Crypto Subtle API), and production-grade formatting libraries.
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