Parse URLs, browse HTTP status codes, and explore web-related developer utilities.
Web development and API work involve constant interaction with URLs, HTTP headers, status codes, and network protocols. This collection provides tools for parsing and constructing URLs, looking up HTTP status codes with explanations, inspecting headers, generating Open Graph meta tags, and other web-focused utilities. They're particularly useful when debugging API responses, setting up redirects, configuring CORS, or building URL schemes. If you're a frontend developer, backend engineer, or anyone who works with web APIs, these tools cut out trips to Stack Overflow for quick reference lookups.
Popular in Web & Networking
Parse and analyze URL components
Free online URL parser. Break down any URL into its components: protocol, host, port, path, query parameters, and fragment.
Complete list of HTTP status codes with descriptions
Free HTTP status codes reference. Browse all HTTP response status codes with detailed descriptions and usage examples.
Searchable reference of HTTP headers
Free online HTTP headers reference. Browse and search all standard HTTP request and response headers with descriptions and examples.
All Web & Networking
Parse and analyze URL components
Complete list of HTTP status codes with descriptions
Searchable reference of HTTP headers
Searchable MIME types reference
HTTP methods (GET, POST, etc.) reference
Convert between IP formats (decimal, binary, hex)
Calculate CIDR ranges, subnet masks, host counts
DNS record types reference (A, AAAA, CNAME, etc.)
Generate CORS headers configuration
Generate HTML meta tags for SEO
Generate Open Graph meta tags
Generate JSON-LD structured data
Generate XML sitemaps from URL list
Generate .htaccess rules (redirects, rewrites, etc.)
Decode PEM certificates and show details
Construct and preview HTTP requests
Parse user agent strings into components
Convert curl commands to code (JS fetch, Python requests, etc.)
Preview HTML at multiple viewport sizes
Find your public IP address and browser info
Generate DNS lookup commands and learn about DNS records
Learn about WHOIS data and generate lookup commands
Format and analyze API responses
No browser-only tools in this category.
About Web & Networking
Parse URLs, browse HTTP status codes, and explore web-related developer utilities. Nearly all tools in this category run entirely in your browser. A few use a lightweight server endpoint — these are labeled with a "Server" badge. No data is stored or logged.
Each tool is designed for speed and simplicity. Paste your input, configure options if needed, and copy the result with one click. No sign-up, no installation, no limitations.