HTML Decoder
Decode named and numeric HTML entities (<, &, ') back into standard human-readable text and clean markup.
Quick Answer & Understanding Your Result
An HTML Decoder transforms named and numeric HTML entities (`<`, `>`, `&`, `"`, `'`, `/`) back into their original text characters and raw markup.
Core HTML Entity Decoding Principles
- Named Entity Restoration: Decodes standard W3C entities (e.g.
&ightarrow&,<ightarrow<,©ightarrow©). - Numeric Decimal & Hex Decodings: Resolves decimal entities (e.g.
<ightarrow<) and hexadecimal entities (e.g.<ightarrow<). - Unicode Glyph Resolution: Unwraps special mathematical, currency, and international character entities.
Web & API Applications
- Scraping & Data Extraction: Cleaning scraped text extracted from raw HTML web pages.
- CMS & API Debugging: Reading escaped article bodies stored in relational databases.
Paste your HTML-encoded text above to decode entities into readable text instantly.
Formula & Calculation Logic
Technical Specification & ASTBrowser-level entity parsing:
- Employs standard HTML DOM parser state machine to resolve all W3C named and numeric character entities.
Step-by-Step Guide
Paste HTML Entities
Paste text containing <, >, &, ' or numeric codes.
Deterministic Decoding
The engine decodes all entity sequences in 0ms.
Copy Clean Text
Copy decoded plain text or raw HTML markup.
Worked Examples Table
| Example | Input Values | Calculated Result | Explanation |
|---|---|---|---|
| HTML Entity to Text | Restored real HTML tags, double quotes, and ampersands. | ||
| Decimal & Hex Mixed Entities | Provides instant quantitative evaluation for comparative practical analysis. |
Frequently Asked Questions
Evidence-Based Methodology & Authoritative References
W3C Named Character References Specification
MDN Web Docs - DOMParser API
Standard: ISO / W3C / IETF Authoritative Domain Standard
Formula: Decoded Text = DOMParser.parseFromString(input, 'text/html').body.textContent
Last Reviewed: August 21, 2026
Primary Source: W3C Named Character References Specification
Reference Document: MDN Web Docs - DOMParser API
Computation Privacy: 100% client-side 0ms computation, zero data retention
All algorithms, formatters, and data conversions run 100% locally in your browser following official technical standards (RFC, ISO, W3C). Output should be verified prior to mission-critical production deployment.
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Calculated results are modeled based on standard scientific and mathematical formulas. Please verify with domain-specific technical documentation for specialized applications.