HTML Entities
Encode/decode the core HTML entities safely and locally.
HTML entity helper
The encode/decode fields will become interactive once the browser hydrates.
About this tool
The Gearizen HTML Entities tool encodes and decodes reserved characters so your markup stays safe. Frontend developers, bloggers, and CMS administrators rely on it when publishing snippets that include ampersands, angle brackets, quotes, or apostrophes. Paste text containing HTML-sensitive characters and the tool instantly converts them into their entity equivalents or reverses encoded sequences back into plain text. Because everything runs in your browser, you can sanitize user-generated content, email templates, or configuration files without leaking data.
We wrote this page to answer real-world questions like when to encode characters, how to avoid double-escaping, and why HTML entities protect against cross-site scripting. Tutorials cover embedding code examples inside blog posts, escaping JSON within script tags, and preparing newsletter content that renders consistently across clients. We also explain the difference between named entities and numeric entities, plus tips for handling extended characters beyond the core five.
SEO-friendly sections respond to queries such as "How do I escape HTML?" or "What is the HTML entity for ampersand?" Accessibility and internationalization guidance ensures your content works for global audiences, addressing right-to-left languages, accent marks, and emoji fallback strategies. Performance-minded developers can learn how to preprocess entities in build pipelines, integrate with templating engines, or automate QA checks.
To extend your workflow, explore related Gearizen tools like the Markdown Preview for testing sanitized markup, the Base64 Encoder for packaging HTML in APIs, and the Slugify tool for generating clean URLs. These utilities create a comprehensive toolkit for content governance. Bookmark the HTML Entities tool whenever you publish code samples, process forms, or train teams on secure markup practices.
Advanced walkthroughs show how to integrate entity encoding into CMS workflows, build validation checklists for content editors, and teach junior developers why escaping characters matters. With glossaries and annotated examples, the tool doubles as a learning hub for secure front-end development.
How to use
Paste the text or HTML snippet
Insert content containing characters that need escaping or decoding.
Select encode or decode
Choose whether to replace special characters with entities or restore them to plain text.
Check the transformed output
Review the result to confirm ampersands, angle brackets, and quotes converted correctly.
Copy the safe string
Copy the encoded or decoded text into your CMS, template, or documentation.
Examples
| Scenario | Input | Output | Notes |
|---|---|---|---|
| Encode blog snippet | <h1>Preview & test</h1> | <h1>Preview & test</h1> | Embed safely inside CMS editors. |
| Decode API response | Tom & Jerry | Tom & Jerry | Improve readability for support teams. |
| Escape JSON inside script | {"name": "A&B"} | {\"name\":\"A&B\"} | Prevents script injection in templates. |
Help & FAQ
Which entities are handled?
The core five (&, <, >, " and ').
Why encode?
To safely render user-entered HTML characters as text.