SymbolFYI

Symbol Encoder

Encode any symbol to HTML entity, CSS escape, JavaScript, Python, URL, UTF-8 hex, binary, and decimal. Grid of 30+ common symbols.

Encoder
Presets:

Common Symbols

🔐

Enter a symbol or click one from the grid above

How to Use

  1. 1
    Enter a symbol

    Type a symbol into the input field or click one from the common symbols grid below.

  2. 2
    View encodings

    The tool instantly displays the symbol encoded in HTML entity, CSS escape, JavaScript, URL encoding, UTF-8 hex, and Base64 formats.

  3. 3
    Copy the result

    Click the copy button next to any encoding format to copy it to your clipboard, ready to paste into your code.

About

The Symbol Encoder is a developer and designer tool that converts any special character or symbol into every common encoding format used in web development. Whether you need an HTML entity for a copyright notice, a CSS escape for a pseudo-element, or a JavaScript string literal for an app, this tool gives you the exact syntax instantly.

The built-in grid of 30+ frequently used symbols covers trademark, copyright, registered, section, paragraph, degree, mathematical operators, arrows, card suits, and typographic marks. Click any symbol to immediately see its encodings without needing to type or search.

All encoding computation runs locally in your browser. Your input is never sent to any server. The encoder supports the full Unicode range including supplementary plane characters, correctly producing multi-byte UTF-8 sequences and JavaScript surrogate pairs for characters above U+FFFF.

FAQ

What is the Symbol Encoder?
The Symbol Encoder takes any symbol or special character and outputs its representation in 8 encoding formats: HTML entity, CSS escape, JavaScript escape, Python escape, URL encoding, UTF-8 hex bytes, binary, and decimal. All values are copy-ready.
How do I encode a symbol I cannot type?
Click any symbol from the grid of 30+ common symbols below the input field. The tool instantly generates all encoding formats for that symbol. You can also paste a symbol from any source directly into the input.
What encoding formats does the Symbol Encoder support?
The encoder outputs HTML entity (decimal and hex), CSS content escape, JavaScript string escape, Python string escape, URL percent-encoding, UTF-8 hex bytes, binary representation, and the decimal codepoint value.
How is the Symbol Encoder different from the Encoding Converter?
The Encoding Converter handles single characters and shows basic encodings. The Symbol Encoder includes a clickable grid of 30+ common symbols, produces 8 formats per character, and is optimized for quickly encoding symbols you use in web development and design.
Does the Symbol Encoder handle multi-byte symbols?
Yes — the encoder fully supports characters outside the Basic Multilingual Plane, including mathematical operators, emoji, and other supplementary plane symbols. It correctly calculates multi-byte UTF-8 sequences and JavaScript surrogate pairs.