HTML & CSS · page 9
HTML markup and CSS styling tools: formatters, validators, responsive design helpers.
282 tools in this category
Set list fields to get minimal signup form HTML with a hidden honeypot field.
Set an endpoint to get role search form HTML with a screen-reader label and name attributes.
Paste option lists to get select HTML with optgroups, selected state, and placeholder option.
Paste a group name to get fieldset and legend HTML ready for styling without default borders.
Set password rules to get password input HTML with autocomplete attributes and requirement hints.
Set address fields to get input HTML with street-address and postal-code autocomplete tokens.
Set scale endpoints to get one-to-five radio scale HTML with labeled anchors for accessibility.
Set a policy URL to get required consent checkbox HTML with inline link and error hint slots.
Paste field errors to get role alert error summary HTML with anchor links to each invalid field.
Set a URL and sizing to get responsive iframe HTML with title, loading, and referrerpolicy attributes.
Paste a video URL to get youtube-nocookie iframe HTML with an aspect-ratio wrapper and title.
Paste coordinates or a query to get maps embed iframe HTML with loading lazy and a title.
Paste a track link to get Spotify embed iframe HTML with size presets and lazy loading.
Set sources and poster to get video HTML with controls, preload, and fallback text.
Set a base URL and widths to get srcset and sizes HTML for retina-ready images.
Pick a content type to get loading lazy HTML with correct eager exceptions for above-fold media.
Paste image details and a source to get figure and figcaption HTML with a credited link.
Paste image URLs to get figure-grid gallery HTML with lazy loading and alt text slots.
Paste timestamps to get chapter list HTML with deep links that seek embedded players.
Set ids and buttons to get native dialog HTML with method dialog close wiring and fallback note.
Set trigger and target ids to get popover API HTML with popovertarget buttons.
Paste headings to get nested table of contents HTML with anchor links and level nesting.
Paste notes to get footnote HTML with superscript references and back-link annotations.
Paste a quote and author to get blockquote HTML with cite and figure attribution.