Free Webmaster & SEO Tools

Create a perfectly formatted robots.txt file to guide search engine crawlers on your website.

Test your robots.txt file instructions to check if a specific URL is crawlable by search bots.

Generate an XML sitemap of your website URLs instantly to aid fast indexation by Google.

Verify your XML sitemap syntax, structure, encoding, and check URL headers.

Retrieve and analyze raw HTTP headers returned by a web server for any URL request.

Follow redirect chains (301, 302, JS, HTML meta) to identify loop errors and destination URLs.

Check if a website server is serving GZIP compression to minimize loading bandwidth.

Verify if Brotli modern compression is active on your web server headers.

Evaluate presence of security headers like CSP, X-Frame-Options, HSTS, and X-Content-Type.

Retrieve canonical link tags declared inside page HTML header metadata.

Simulate and render mobile device views for any optimized webpage.

Check the age of any domain name, including registration date, expiry date, update date, registrar, and nameservers.

Split domains into subdomain, root domain, top-level domain (TLD), and scheme details.

Perform a WHOIS query to retrieve registrar, ownership, and registration details for any domain name.

Query and retrieve all active DNS records (A, AAAA, MX, TXT, CNAME, NS) for any domain.

Verify SSL certificate details, validity, issuer, and check for encryption status.

Count words, characters, sentences, paragraphs, and reading times for any written copy.

Identify 1-word, 2-word, and 3-word keyword frequency distributions inside your page content.

Quickly measure letter lengths, spaces count, word boundaries, and line heights of a text block.

Convert long titles or headings into search engine optimized, slug URL patterns.

Analyze Title Tag and Meta Description lengths to make sure Google does not truncate them.

Audit images inside website HTML content to list missing ALT descriptive attributes.

Retrieve dimensions, file sizes, and responsive optimization indicators for web images.

Crawl a page to count relative internal hyperlinks vs absolute external links.

Identify all outgoing links on a page, mapping dofollow and nofollow settings.

Test links inside a webpage HTML block for dead endpoints or 404 response pages.

Extract H1, H2, H3, H4 hierarchy structure from page content to check layout order.

Analyze HTML meta headers, meta keywords, search engines crawler directives, and robots instructions.

Build compliant SEO meta tags, authors details, and viewport headers for site integration.

Generate rich snippets JSON-LD Schema markup for articles, products, local business, or organizations.

Validate JSON-LD syntax, schema properties structures, and search compliance.

Create Facebook Open Graph meta attributes to optimize link sharing visuals.

Build fully compliant Twitter card metadata tags for media content previews.

Model your Google Search Engine results snippet layout across desktop and mobile versions.

Format, beautify, and indent minified raw JSON strings into readable print files.

Validate JSON syntax structures and diagnose line number parsing errors.

Minify HTML codes by stripping comments, newline tabs, and unnecessary spaces.

Compress CSS style declarations, optimizing web speed scores.

Minify Javascript code logic by shrinking variable names and spaces.

Encode any string text or data files into secure Base64 format.

Decode encoded Base64 strings back into human-readable text.

Generate MD5 cryptographic hashes from any input string.

Calculate standard SHA-256 secure hash values for text datasets.

Generate unique UUID (Universally Unique Identifier) Version 4 keys.

Generate secure random passwords using uppercase, lowercase, numbers, and symbols.

Compare two text files or code paragraphs side-by-side to highlight line differences.

Convert text capitalization to UPPERCASE, lowercase, Title Case, or Sentence case.

Encode query parameters and paths into URL-compliant percent strings.

Decode percent-encoded strings back to standard human-readable text.

Convert special characters into HTML entities to safely display in code blocks.

Decode HTML character entities back to their normal symbol representations.

Generate HTML favicon tag declarations, sizing setups, and files indicators.

Create Apache rewrite rules, redirect configurations, and basic security directives.

Display detail information, protocol version, and settings for any network IP address.

Converts email addresses to hex character codes to shield them from spam harvester bots.