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Free tools

Free browser tools for web pages: preview HTML, generate site files, and put the result online in one click. No account needed.

Preview and publish

HTML ViewerPaste HTML, preview it live, put it online in one click.Markdown to Web PageWrite Markdown, get a styled page, publish it in one click.ZIP ViewerList a zip's files, check it against the limits, deploy it.

SEO and site files

Meta Tag GeneratorSEO and social tags, with Google and link-preview previews.Robots.txt GeneratorPresets for search and AI crawlers, with live warnings.llms.txt GeneratorTell AI assistants what your site is and where to look.XML Sitemap GeneratorFrom a URL list or your site's folder to sitemap.xml.Redirect GeneratorOld → new URLs as rules for five hosts, loops caught.

Format and convert

HTML FormatterIndent messy or minified HTML so it's readable again.HTML MinifierStrip whitespace and comments; inline CSS and JS too.CSS FormatterOne property per line, indented the way you like.CSS MinifierShorter values, merged rules, no whitespace.JavaScript FormatterMake minified or messy JavaScript readable.JavaScript MinifierTerser in your browser: shorter names, no dead code.