Details HTML Generator
The Details HTML Generator helps you create accessible and responsive collapsible sections for FAQs, accordions, or hidden content. Customize the summary text, default open state, and inner content easily. It ensures proper accessibility and clean code for smooth user interaction. Perfect for developers and designers who want ready-to-use, semantic collapsible content without manual coding.
Details HTML Generator
The Details HTML Generator is a free online tool for creating HTML <details> and <summary> elements without writing code manually. Enter your summary title, add the hidden content, choose whether the section should be expanded by default, and instantly preview the result before copying the generated HTML.
This tool is useful for developers, designers, bloggers, and content creators who want to build collapsible FAQ sections, documentation, tutorials, product information, or expandable content while keeping their code clean and accessible.
What Is the HTML Details Element?
The HTML <details> element creates expandable and collapsible content blocks. Inside it, the <summary> element acts as the clickable heading that users select to reveal or hide additional information. Modern browsers support these elements natively, making them a lightweight alternative to JavaScript-based accordions.
Features of This Generator
- Create valid HTML details and summary elements instantly.
- Live preview while editing content.
- Add custom summary text.
- Insert any HTML or plain text inside the expandable section.
- Choose whether the section opens by default.
- Generate clean, semantic HTML.
- Copy the generated code with one click.
- Works in all modern desktop and mobile browsers.
How to Use This Tool
- Enter the summary text.
- Add the content you want to hide.
- Enable the default open option if needed.
- Preview the expandable section instantly.
- Copy the generated HTML code.
- Paste it into your website or project.
Common Uses
Expandable content is commonly used for FAQ pages, product specifications, technical documentation, tutorials, help centres, pricing information, release notes, and educational websites. Using semantic HTML also improves accessibility and keeps your code easier to maintain.
Browser Compatibility
The generated markup works in Chrome, Firefox, Edge, Safari, Opera, and other modern browsers. Since the code follows HTML standards, it can be used in static websites, WordPress, Bootstrap projects, React applications, and other front-end frameworks.
Related HTML & CSS Tools
Whether you’re building FAQs, documentation pages, tutorials, or interactive website sections, this generator helps you create standards-compliant expandable content quickly without writing HTML manually.