Free Online Web & SEO Tools
Parse URLs, generate meta tags, preview social cards, build UTM links, and create robots.txt files. Runs in your browser.
HTTP Status Codes Reference
Complete reference for HTTP status codes with descriptions. Search and browse all status codes from 100 to 5xx.
URL Parser
Parse any URL into protocol, hostname, port, path, query parameters, and hash. Free online URL parser with structured table output.
Query String Parser
Parse URL query strings into key-value pairs with decoded values. Free online query string parser that handles encoded parameters.
Meta Tag Generator
Generate HTML meta tags for your website including title, description, viewport, charset, robots, and author. Free online meta tag generator with instant preview.
Open Graph Preview
Preview how your URL appears when shared on Facebook, LinkedIn, and Twitter. Generate Open Graph and Twitter Card meta tags. Free online OG preview tool.
Robots.txt Generator
Generate robots.txt files for your website with allow/disallow rules for different user-agents. Free online robots.txt generator with sitemap support.
UTM Builder
Build UTM tracking URLs for Google Analytics. Enter your URL and UTM parameters (source, medium, campaign, term, content). Free online UTM link builder.
About Web & SEO Tools
Web and SEO tools for developers and site owners: parse URLs into components, analyze query strings, generate HTML meta tags for better search engine visibility, preview how links appear on social media with Open Graph, create robots.txt files for search engine crawlers, and build UTM-tagged URLs for campaign tracking. All tools run locally — no data sent to any server.