CalculatorCast

HTML 인코더/디코더

XSS를 방지하기 위해 HTML 엔터티를 이스케이프 또는 언이스케이프합니다.

소개

HTML Encoder / Decoder — Escape or unescape HTML entities to prevent XSS. Enter Mode, Text to get an instant, accurate result.

공식

Encodes reserved HTML characters (<, >, &, ", ') into their entity equivalents (or decodes entities back to characters).

단계별 안내

  1. Enter the Mode.
  2. Enter the Text.
  3. Click Calculate to see your result instantly.

실제 예시

Example: With Mode = encode, the HTML Encoder / Decoder gives Encoded: &lt;b&gt;Bold&lt;/b&gt; &amp; &quot;quoted&quot;.

자주 묻는 질문

Why encode HTML characters?
So user-supplied text displays literally on a web page instead of being interpreted as HTML markup — an important defense against XSS.
Does this cover all HTML entities?
It covers the core reserved characters (<, >, &, quotes) most commonly needed for safe display.
What inputs does the HTML Encoder / Decoder need?
You'll need to provide: Mode, Text. All fields use sensible defaults, so you can see a working example immediately and then adjust the values to match your own numbers.
How accurate is the HTML Encoder / Decoder?
The HTML Encoder / Decoder applies the formula exactly as calculated — Encodes reserved HTML characters (<, >, &, ", ') into their entity equivalents (or decodes entities back to characters). — so results are precise for the inputs you provide. Accuracy depends on entering correct, realistic input values.
Is the HTML Encoder / Decoder free to use?
Yes, the HTML Encoder / Decoder is completely free, requires no signup, and runs instantly in your browser.

HTML 인코더/디코더 소개

The HTML Encoder / Decoder uses a real, verifiable formula — Encodes reserved HTML characters (<, >, &, ", ') into their entity equivalents (or decodes entities back to characters). — so results are accurate every time, not an approximation.