language
Web Kits
URL and site inspection, SEO markup, and everyday web utilities. · 32 tools
JSON & DataRuns locally in your browser.JSON MinifierStrip whitespace from JSON to produce the smallest valid payload.EncodingRuns locally in your browser.URL EncoderPercent-encode text so it is safe to place in URLs and query strings.EncodingRuns locally in your browser.URL DecoderDecode percent-encoded URLs and query strings back to plain text.EncodingRuns locally in your browser.HTML Entity EncoderEscape text for safe embedding in HTML markup.EncodingRuns locally in your browser.HTML Entity DecoderConvert HTML entities like & and — back to characters.Security & CryptoRuns locally in your browser.SRI Hash GeneratorGenerate Subresource Integrity hashes for script and style tags.Text & RegexRuns locally in your browser.Slug GeneratorTurn titles into clean, URL-safe slugs.Text & RegexRuns locally in your browser.Lorem Ipsum GeneratorGenerate classic lorem ipsum placeholder paragraphs.Web & CSSRuns locally in your browser.HTML FormatterRe-indent HTML markup so nesting is easy to read.Web & CSSRuns locally in your browser.HTML MinifierStrip whitespace and comments from HTML to reduce its size.Web & CSSRuns locally in your browser.CSS FormatterExpand and indent CSS with one declaration per line.Web & CSSRuns locally in your browser.CSS MinifierCompress CSS by removing whitespace, comments, and redundancy.Web & CSSRuns locally in your browser.Markdown to HTMLConvert Markdown into clean HTML markup you can copy.Web & CSSRuns locally in your browser.Box Shadow GeneratorDesign CSS box shadows visually and copy the generated code.Web & CSSRuns locally in your browser.HTML PreviewerPaste HTML and render it instantly in a sandboxed preview.Web & CSSUses the network.Website Style AnalyzerExtract a public page's observed design system — colors, type, spacing, components — with honest confidence.API & HTTPRuns locally in your browser.Query String ParserBreak a query string into decoded key-value pairs.API & HTTPRuns locally in your browser.URL ParserSplit a URL into protocol, host, port, path, query, and fragment.API & HTTPRuns locally in your browser.User-Agent ParserDecode a User-Agent string into browser, engine, OS, and device.API & HTTPRuns locally in your browser.Cache-Control BuilderCompose a correct Cache-Control header from directive toggles.NetworkingUses the network.DNS LookupQuery A, AAAA, MX, TXT, CNAME, and NS records for any domain.NetworkingUses the network.Reverse DNS LookupFind the hostname (PTR record) behind an IP address.Git & WorkflowRuns locally in your browser.GitHub URL ParserExtract owner, repo, branch, and path from any GitHub URL.DevOpsRuns locally in your browser.Nginx Redirect GeneratorGenerate nginx config snippets for 301/302 redirects.SEORuns locally in your browser.Meta Tag GeneratorGenerate the full set of HTML meta tags for a page.SEORuns locally in your browser.Open Graph GeneratorGenerate Open Graph and Twitter card tags for link previews.SEORuns locally in your browser.Robots.txt GeneratorGenerate a robots.txt with allow/disallow rules and sitemap link.SEORuns locally in your browser.Sitemap GeneratorTurn a list of URLs into a valid XML sitemap.SEORuns locally in your browser.JSON-LD FormatterFormat and check JSON-LD structured data blocks.Files & MediaRuns locally in your browser.Image to Base64Encode an image as a Base64 data URI for inline embedding.Files & MediaRuns locally in your browser.SVG to Data URIConvert SVG markup into a CSS-ready data URI.Files & MediaRuns locally in your browser.QR Code GeneratorGenerate QR codes for URLs, text, and Wi-Fi — rendered locally.