HTML & Accessibility Tools
ARIA Live Region Generator
Generate accessible ARIA live region HTML snippets with role, aria-live, aria-atomic, and aria-relevant attributes. Includes optional JavaScript update function.
Tools
Free HTML & Accessibility Tools
HTML generators and accessibility checks for semantic markup, forms, embeds, loading hints, and browser-native UI.
Available tools
HTML & Accessibility Tools you can use now
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HTML & Accessibility Tools
Customizable Select Generator
Generate CSS for customizable select elements using appearance: base-select, picker icons, checkmarks, and open/closed state styling.
HTML & Accessibility Tools
Declarative Shadow DOM Snippet Generator
Generate HTML snippets for Declarative Shadow DOM with scoped CSS, slots, open/closed mode, and server-rendering fallback content.
HTML & Accessibility Tools
Focus Ring CSS Generator
Generate accessible :focus-visible outline or box-shadow focus ring CSS with contrast checking against background colors.
HTML & Accessibility Tools
HTML Invoker Command Generator
Generate declarative command buttons for dialogs, popovers, and disclosure elements using the Invoker Commands API. No JavaScript needed.
HTML & Accessibility Tools
HTML Link Rel Generator
Generate link tags for preload, preconnect, dns-prefetch, canonical, and alternate URLs.
HTML & Accessibility Tools
Responsive Iframe Embed Generator
Generate responsive iframe embed markup for videos, maps, demos, and docs.
HTML & Accessibility Tools
Touch Target Size Checker
Check interactive element dimensions against WCAG 2.2 Target Size (2.5.8) requirements. Get AA/AAA results with CSS fix recommendations.
HTML & Accessibility Tools
HTML Heading Hierarchy Checker
Paste HTML and see the heading structure as a tree. Find skipped levels, missing h1 tags, and hierarchy problems.
HTML & Accessibility Tools
HTML Entity Quick Reference
Search and copy common HTML entities including arrows, dashes, quotes, math symbols, and special characters.
HTML & Accessibility Tools
HTML Popover Generator
Generate native HTML popover markup using popovertarget and the Popover API without JavaScript.
HTML & Accessibility Tools
Dialog Modal HTML Generator
Generate a native HTML dialog modal with open and close buttons using the dialog element.
HTML & Accessibility Tools
Accessible Skip Link Generator
Generate an accessible skip-to-main-content link with CSS for keyboard and screen reader navigation.
HTML & Accessibility Tools
HTML Landmark Checker
Paste HTML and check for ARIA landmark elements that help screen readers navigate the page structure.
HTML & Accessibility Tools
Input Attributes Generator
Generate HTML input elements with type-specific attributes for forms on static websites.
HTML & Accessibility Tools
Fetch Priority Attribute Generator
Generate fetchpriority attributes for images, scripts, and link tags to improve Core Web Vitals.
HTML & Accessibility Tools
Preload Tag Builder
Generate correct preload link tags for fonts, hero images, CSS, and scripts with the right as and crossorigin attributes.
HTML & Accessibility Tools
Modulepreload Tag Generator
Generate modulepreload link tags for ES module scripts in Vite, Astro, and modern static sites.
HTML & Accessibility Tools
Image Loading Attribute Builder
Build optimized img tags by combining loading, decoding, and fetchpriority for hero images, galleries, and article content.
HTML & Accessibility Tools
HTML Details Accordion Generator
Generate FAQ accordions and collapsible disclosure panels using the native details and summary elements without JavaScript.
HTML & Accessibility Tools
External Link Attribute Generator
Generate external link markup with the correct rel attributes for security, SEO, sponsored content, and user-generated content.
HTML & Accessibility Tools
HTML Script Loading Strategy Builder
Generate script tags with the right loading strategy -- normal, defer, async, or type module -- based on use case.
HTML & Accessibility Tools
contenteditable plaintext-only Generator
Generate accessible contenteditable=plaintext-only HTML markup with placeholder styling, focus states, and ARIA attributes. Pasting rich text strips formatting automatically -- no JavaScript needed.
HTML & Accessibility Tools
Directory Upload Input Generator
Generate HTML input markup with the webkitdirectory attribute for folder selection, drag-and-drop zone, file list display with webkitRelativePath, and support for single-file, multiple-file, and directory modes.
HTML & Accessibility Tools
Interest Invoker Popover Generator
Generate declarative HTML popover markup using the interestfor invoker command for hover and focus-triggered tooltips without JavaScript.
HTML & Accessibility Tools
ARIA Notify Snippet Generator
Generate JavaScript snippets using the ARIA Notify API for programmatic screen reader announcements with aria-live fallback.
What this collection helps with
HTML mistakes are rarely dramatic, but they can be expensive when they reach production. A broken head tag, inconsistent snippet, or missing attribute can affect previews, accessibility, crawlability, and maintenance. This collection keeps common markup work visible and easy to review.
Best for
- Preparing HTML snippets for static pages and documentation.
- Reducing hand-written tag mistakes before publishing.
- Keeping repeated page markup consistent across a small site.
Common use cases
- Create structured head markup from clear input fields.
- Prepare reusable snippets for posts, pages, and small tools.
- Check generated HTML before it is added to a template.
Task guide
Use HTML tools when you need structured head markup, link relationships, or embed code for a page. Start by identifying what you need: preload and prefetch hints for performance-critical resources, link rel tags for SEO and documentation relationships, or responsive iframe embeds for external content. Review the generated output against your page structure before pasting it into your template or CMS. For repeated snippets across many pages, keep a consistent pattern by using the same tool inputs for every post.
Publishing checklist
- Verify generated tags match the HTML5 doctype requirements for your document.
- Check that all attribute values, such as href and src paths, resolve to the correct URLs in your final output.
- Confirm preload and prefetch hints reference actual resources that exist on your server or CDN.
- Test responsive iframe embeds at multiple screen widths, especially the narrowest breakpoint.
- Validate the output against the W3C markup validator before publishing.
FAQ
Questions about html & accessibility tools
Can I paste generated snippets directly into production?
Use generated snippets as a starting point and review them in your template. The final markup depends on your framework, content management system, and document structure. Always validate output before deploying.
Where in the document should preload tags go?
Preload link tags belong in the head element. They tell the browser to fetch resources early during page load. Placing them outside the head, such as in the body, may cause some browsers to ignore them.
How many link rel values should a single page have?
Include only the link relationships that apply to the page. Common values include canonical, stylesheet, and alternate hreflang links. Adding unnecessary relationships like prev and next on pages outside a paginated sequence adds noise without benefit.
Do responsive iframe embeds affect page speed scores?
Iframes can slow page load because they load external content. The responsive iframe embed generator helps prevent layout shift but does not control the external page size or resource count. Consider lazy loading iframes below the fold.
Should I use preload or prefetch for my hero image?
Use preload for resources needed during the current navigation, such as a hero image above the fold. Use prefetch for resources likely needed during a future navigation, such as the next page post. The wrong choice can waste bandwidth on resources the browser does not need yet.