URL Parser
Break a URL into scheme, host, port, path, query and fragment components.
Open tool →Web & Network Utilities
Offline URL, IP, header, cookie, HTML, CSS and browser-policy utilities.
URL Normalizer
Normalize scheme, hostname, path segments, default ports and optional fragments.
Open tool →Domain Extractor
Extract and describe the hostname from a URL or hostname input.
Open tool →Subdomain Extractor
Split a hostname using a manually selected registrable-domain label count.
Open tool →URL Path Segment Extractor
Decode and list URL path segments.
Open tool →IP Address Validator
Validate IPv4 or IPv6 syntax and identify private or reserved ranges.
Open tool →IPv4 to Integer
Convert a valid IPv4 address to an unsigned integer and hexadecimal form.
Open tool →Integer to IPv4
Convert an unsigned 32-bit integer to dotted IPv4 notation.
Open tool →CIDR Address Count
Calculate address count and typical usable IPv4 hosts from CIDR notation.
Open tool →Subnet Mask Converter
Convert an IPv4 prefix to a subnet mask or a contiguous mask to a prefix.
Open tool →HTTP Header Parser
Parse raw HTTP response or request headers without making a network call.
Open tool →Cookie Header Parser
Parse a Cookie header into name-value pairs.
Open tool →Set-Cookie Builder
Build a Set-Cookie value with secure attributes.
Open tool →Basic Authentication Encoder
Generate an HTTP Basic Authorization header from supplied credentials.
Open tool →Data URI Generator
Create a text data URI with Base64 or percent encoding.
Open tool →Data URI Parser
Inspect and safely decode a bounded data URI.
Open tool →HTML Entity Encoder
Encode HTML special characters using HTML5 entities.
Open tool →HTML Entity Decoder
Decode HTML5 entities back into Unicode text.
Open tool →HTML Tag Stripper
Remove HTML tags while optionally preserving a simple allowlist.
Open tool →HTML Minifier
Remove HTML comments and redundant inter-tag whitespace.
Open tool →CSS Minifier
Remove CSS comments and redundant whitespace without executing styles.
Open tool →JavaScript Whitespace Minifier
Perform a conservative whitespace reduction without evaluating JavaScript.
Open tool →Robots Meta Tag Generator
Generate an escaped robots meta tag from index and snippet controls.
Open tool →CSP Nonce Generator
Generate a cryptographically secure Base64URL nonce for a Content Security Policy.
Open tool →Cache-Control Header Builder
Build a Cache-Control header from bounded caching directives.
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