# NenoRank > NenoRank provides free, unlimited SEO, content, developer, and marketing tools with no signup required. The site covers technical SEO auditing (robots.txt, sitemap, meta tags, canonical tags), content utilities (word counting, case conversion, keyword density), developer utilities (JSON, HTML, CSS, JS formatting and minification), and URL/marketing tools (URL parsing, encoding, UTM building). ## Company - [About Us](https://www.nenorank.com/about-us): NenoRank's mission and founder background. - [How Does It Work](https://www.nenorank.com/how-does-it-work): Explanation of how NenoRank's tools function. - [Contact Us](https://www.nenorank.com/contact-us): Contact and support page. - [All Free Tools](https://www.nenorank.com/free-tools): Full directory of every tool on the site. - [Blog](https://www.nenorank.com/blog): Articles on SEO and web tooling topics. ## SEO Tools - [Robots.txt Checker](https://www.nenorank.com/robots-txt-checker): Test and validate a site's robots.txt file. - [Sitemap Checker](https://www.nenorank.com/sitemap-checker): Validate XML sitemap structure and accessibility. - [Meta Tags Analyzer](https://www.nenorank.com/meta-tags-analyzer): Analyze title tags, meta descriptions, and heading structure. - [Canonical Tag Checker](https://www.nenorank.com/canonical-tag-checker): Check canonical tags to prevent duplicate content issues. - [Noindex Tag Checker](https://www.nenorank.com/noindex-tag-checker): Verify meta robots noindex status on a page. - [URL Redirect Checker](https://www.nenorank.com/url-redirect-checker): Trace 301/302 redirect chains for a URL. - [HTTP Status Checker](https://www.nenorank.com/http-status-checker): Check the HTTP response code returned by a URL. - [Text to Slug Converter](https://www.nenorank.com/text-to-slug): Convert text into SEO-friendly URL slugs. ## Content Tools - [Word Counter](https://www.nenorank.com/word-counter): Count words, characters, and estimate reading time. - [Keyword Density Checker](https://www.nenorank.com/keyword-density-checker): Analyze keyword usage and balance in a body of text. - [Case Converter](https://www.nenorank.com/case-converter): Convert text between uppercase, lowercase, and title case. - [Remove Extra Spaces](https://www.nenorank.com/remove-extra-spaces): Clean up excess whitespace in text. - [Duplicate Line Remover](https://www.nenorank.com/duplicate-line-remover): Remove repeated lines from a block of text. - [Word Sorter](https://www.nenorank.com/word-sorter): Alphabetize and organize lines or words. ## Developer Tools - [JSON Formatter](https://www.nenorank.com/json-formatter): Format and beautify JSON data. - [JSON Validator](https://www.nenorank.com/json-validator): Validate JSON and identify syntax errors. - [HTML Minifier](https://www.nenorank.com/html-minifier): Compress HTML by removing whitespace and comments. - [CSS Minifier](https://www.nenorank.com/css-minifier): Compress CSS code to reduce file size. - [JS Minifier](https://www.nenorank.com/js-minifier): Compress JavaScript code to reduce file size. - [HTML Viewer](https://www.nenorank.com/html-viewer): Preview and inspect raw HTML code. - [Markdown to HTML](https://www.nenorank.com/markdown-to-html): Convert Markdown text into clean HTML. ## URL & Marketing Tools - [URL Parser](https://www.nenorank.com/url-parser): Break a URL into protocol, host, path, query, and fragment. - [URL Encoder / Decoder](https://www.nenorank.com/url-encoder-decoder): Encode or decode special characters in a URL. - [URL Extractor From Text](https://www.nenorank.com/url-extractor-from-text): Extract all URLs found within a block of text. - [User Agent Parser](https://www.nenorank.com/user-agent-parser): Identify browser and device info from a user agent string. - [Base64 Encode / Decode](https://www.nenorank.com/base64-encode-decode): Convert data to and from Base64 encoding. - [UTM Builder](https://www.nenorank.com/utm-builder): Build campaign tracking URLs with UTM parameters. - [Strong Password Generator](https://www.nenorank.com/strong-password-generator): Generate secure, random passwords. - [Random Number Generator](https://www.nenorank.com/random-number-generator): Generate random numbers within a specified range. ## Optional - [Privacy Policy](https://www.nenorank.com/privacy-policy): Site privacy policy. - [Terms and Conditions](https://www.nenorank.com/terms-and-conditions): Site terms of use. - [Disclaimer](https://www.nenorank.com/disclaimer): Site disclaimer.