Web tools

Minify HTML by removing comments and extra whitespace. Paste HTML and copy compressed output. Runs in browser.

Beautify and indent pasted HTML for readability. Format messy markup instantly. Free, runs in your browser.

Minify CSS stylesheets online. Remove comments and whitespace from pasted CSS. Free browser minifier.

Paste HTML and see it rendered next to the source, so you can check a fragment or an email template without saving a file and reloading.

Paste minified or badly indented CSS and get it back with one declaration per line, consistent indentation and the braces where you expect them.

Strip comments, whitespace and line breaks out of JavaScript to cut the bytes a browser has to download, without touching what the code does.

Check markup for unclosed tags, badly nested elements and misplaced block content, the structural errors browsers silently paper over.

Set columns, rows and gap visually and copy the grid-template-columns and grid-template-rows rules straight into your stylesheet.

Set justify-content, align-items, direction and wrap against a live preview and copy the flexbox rules once the layout looks right.

Open an SVG, see it rendered next to its markup, and edit the paths, fills and viewBox with the preview updating as you change the code.

Escape HTML special characters to entities or decode them back, covering named, decimal, and hexadecimal references without touching innerHTML.

Percent-encode text for a URL or decode %20 and %C3%A9 back to readable characters, with a toggle between encodeURIComponent and encodeURI.

Preview a page at the iPhone Duo's folded and unfolded CSS viewports, side by side, with the breakpoint each state lands on.