All Services

Decodes HTML numeric character references (e.g. < or <) in a text string back to their original characters

Validates whether a given string is a mod-97-valid Turkish IBAN of exactly 26 characters

Normalizes all newline sequences in a text string to Unix LF (\n) line endings

Validates whether a given string is a mod-97-valid Slovenian IBAN (SI) with the correct length of 19 characters

Decodes HTML named character entities (e.g. &, <, ©) in a text string into their plain Unicode equivalents

Computes a SHA-512/224 cryptographic hash of hex-encoded byte input and returns the digest encoded as base64url.

Validates whether a given string is a mod-97-compliant Mauritania (MR) IBAN of exactly 27 characters

Validates whether a given IBAN is a mod-97-compliant Finnish (FI) bank account number of exactly 18 characters

Computes a SHA-512 hash of text encoded as UTF-16LE bytes and returns the digest as a lowercase hexadecimal string.

Converts text into a URL-friendly slug using '~' as separator, capped at 120 characters, preserving Unicode letters

Computes an HMAC-RIPEMD160 message authentication code for a given text using a caller-supplied key, returning the result as a lowercase hex string.

Counts all byte bigram (2-gram) occurrences in the provided text, returning frequency statistics for every consecutive byte pair.

Validates whether a given string is a syntactically correct Azerbaijani IBAN: 28 characters long and passing the mod-97 checksum.

Validates whether a card number passes the Luhn algorithm and matches Discover card BIN patterns

Counts byte 3-grams (all distinct 3-byte sequences and their frequencies) in a given text string, with no network calls or LLM involvement.

Converts input text to title case formatting without any network calls or LLM involvement

Converts text into a URL slug using '+' as separator, capped at 40 characters, preserving Unicode letters

Converts input text to path-case format (lowercase words joined by hyphens) with no network or LLM dependency.

Converts input text to PascalCase format without any network calls or LLM processing

Encodes a text string into its base36 representation without any network calls or LLM processing

Percent-encodes (URL-encodes) a text string server-side without network calls or LLM involvement, for $0.005 USDC per call.

Resolves NAPTR (Naming Authority Pointer) DNS records for a given hostname

Converts text into a URL slug using '~' as the word separator, preserving Unicode letters, capped at 160 characters

Extracts link[rel=edit] href attributes from a given public page URL or raw HTML string, safely protected against SSRF.

Extracts Wikidata Q-identifiers (e.g. Q42, Q76) from text using regex, returning up to 20 matches

Checks whether a host's port-443 TLS certificate will remain valid for at least 90 days and returns an ok_check boolean result

Extracts footer text from a public web page or raw HTML, scoped specifically to profile footer elements, in an SSRF-safe manner.

Looks up SRV records at _autodiscover._tcp.{hostname} for email Autodiscover service discovery, given a registrable domain name.

Extracts up to 20 IPv4 CIDR block notation matches from a given text string using regex pattern matching.

Looks up SRV records at _caldavs._tcp.{hostname} to discover CalDAV-over-TLS service endpoints for a given domain.

Looks up DNS SRV records at _carddav._tcp.{hostname} for a given registrable domain to discover CardDAV server endpoints.

Converts an ISO 8601 duration string (e.g. PT1H30M) into its equivalent number of seconds, computed locally with no network calls.

Looks up SRV records at _radius._udp.{hostname} for RADIUS service discovery, given a registrable domain name

Extracts img srcset attribute values from a public web page URL or raw HTML in an SSRF-safe manner

Looks up SRV records at _sip._udp.{hostname} for SIP-over-UDP service discovery, given a registrable domain name.

Minifies (compresses) a JSON string by removing all unnecessary whitespace, returning a compact single-line JSON output.

Extracts the og:image:height meta tag value from a public web page URL or raw HTML, with SSRF protection.

Extracts the og:image:alt meta tag value from a public web page URL or raw HTML, SSRF-safe, for $0.005 USDC per call.

Resolves SRV records at _turn._tcp.{hostname} to retrieve TURN server connection details for a given registrable domain.

Looks up SRV records at _turns._tcp.{hostname} for TURNS (Traversal Using Relays around NAT with TLS) service discovery given a registrable domain name.

Converts text into a URL slug using '+' as the separator, capped at 160 characters, preserving Unicode letters

Extracts the twitter:image:alt meta tag value from a public web page URL or raw HTML, with SSRF protection.

Extracts the og:type Open Graph meta tag value from a public web page URL or raw HTML, with SSRF protection.

Computes a SHA3-512 hash of raw bytes supplied as a hex string, returning the digest encoded as a lowercase hex string.

Validates whether a given string is a conformant ISO-8601 duration (e.g. P1Y2M3DT4H5M6S) and returns true/false

Validates whether a given string is a real, well-formed YYYY-MM-DD date

Computes an HMAC-RIPEMD160 message authentication code over text using a caller-supplied key, returning the result encoded as base64url.

Computes a SHA3-384 cryptographic digest of input text encoded as UTF-16LE bytes, then returns the result encoded as Base32.

Computes a SHA3-256 hash of UTF-16LE encoded text and returns the result as a Base32 string

Computes a SHA3-384 cryptographic hash of raw hex-encoded bytes and returns the digest encoded as base64.

Checks whether a given string is a valid CSS rgb() color value

Validates whether an 8-digit EAN barcode passes the Luhn (check digit) algorithm

Extracts all H5 heading text from a public web page URL or raw HTML, with SSRF protection.

Extracts the primary header text (H1/H2 CSS header) from a public URL or raw HTML string, with SSRF protection.

Checks whether a given string is a valid CSS hsl() color value

Computes a SHA3-224 hash of text encoded as UTF-16LE bytes, returning the digest as a base64url string

Computes a SHA3-224 hash of hex-encoded bytes and returns the digest encoded as base64url

Converts arbitrary text into a URL-friendly slug using '+' as the separator, ASCII-folded and capped at 40 characters

Extracts all H3 heading text from a public webpage URL or raw HTML using CSS selection, returning the text content of every h3 element found.

Extracts `link rel=next` href values from a public web page URL or raw HTML, with SSRF protection.

Checks whether a given string is a valid 13-digit Unix milliseconds timestamp

Computes a SHA3-512 hash of raw hex-encoded bytes and returns the digest encoded as Base32.

Computes an HMAC-SHA224 message authentication code for a given text using a caller-supplied key, returning the result as a lowercase hex string.

Computes a SHA-256 digest of input data provided as a hex-encoded byte string and returns the result as a hex-encoded digest

Converts arbitrary text into a dot-separated slug capped at 120 characters while preserving Unicode letters

Converts an RGB color value (provided as text) into its hexadecimal color code representation.

Validates whether a given IBAN is a mod-97-valid Egyptian (EG) IBAN of exactly 29 characters

Computes the next 12 UTC occurrence times for a given 5-field cron expression starting from a specified datetime

Computes a SHA3-512 hash of text encoded as UTF-16LE bytes, returning the digest encoded as a Base32 string

Computes a SHA3-512 cryptographic hash of a Latin-1 encoded string and returns the digest encoded as Base64.

Computes the next 24 UTC trigger times for a given 5-field cron expression starting from a specified datetime.

Extracts all link rel=preload href values from a given public web page URL or raw HTML, in an SSRF-safe manner.

Validates whether a given string is a mod-97-valid French IBAN (FR prefix, exactly 27 characters)

Extracts anchor link titles (a[title] attribute values) from a public webpage URL or raw HTML, with SSRF protection.

Extracts header text from profile/data tables on a given public webpage or raw HTML input, SSRF-safe.

Retrieves the TXT record at the _domainconnect subdomain of a given hostname via DNS lookup

Extracts time and datetime values from a public webpage or raw HTML content in an SSRF-safe manner

Counts the frequency of each byte value (0–255) in the provided text, returning a complete byte unigram histogram

Computes the SHA-256 hash of raw bytes provided as a hex string, then encodes the result as Base32

Converts text into a URL slug using '+' as separator, capped at 80 characters, preserving Unicode letters

Validates whether a given string is a mod-97-valid Georgian (GE) IBAN of the correct 22-character length

Extracts twitter:card Open Graph/meta tag data from a public URL or raw HTML, with SSRF protection.

Validates whether a given string is a mod-97-valid Greenlandic (GL) IBAN of exactly 18 characters

Converts input text into a URL-safe slug using tilde (~) as separator, ASCII-folded and capped at 160 characters

Extracts all H4 heading text from a public webpage or provided HTML content in an SSRF-safe manner.

Computes a SHA-512/256 cryptographic hash of text encoded as UTF-16LE bytes, returning the digest as a Base64 string.

Looks up SRV records at _h323._tcp.{hostname} for H.323 VoIP service discovery, given a registrable domain name

Extracts meta keywords from a public web page URL or raw HTML content, with SSRF protection.

Extracts the twitter:creator meta tag value from a public web page or raw HTML, with SSRF protection.

Computes a SHA-384 cryptographic hash of the Latin-1 (ISO-8859-1) byte encoding of input text, returning the digest as a Base64-encoded string.

Decodes a Base58-encoded string into its original representation, with no network calls or LLM processing.

Validates whether a given string is a mod-97-valid Hungarian IBAN of exactly 28 characters.

Computes a SHA-1 hash of text encoded as UTF-16LE bytes and returns the result as a Base64 string

Extracts the twitter:description meta tag value from a public webpage or raw HTML string

Validates whether a given string is a mod-97-compliant Irish IBAN of exactly 22 characters.

Validates whether a given string is a correctly formatted, mod-97-valid Macedonian (MK) IBAN of exactly 19 characters

Computes a SHA-512/256 hash of input data provided as raw hex bytes, returning the digest encoded as a hex string.

Looks up SRV records at _imap._tcp.{hostname} for a given registrable domain to discover IMAP server configuration

Extracts aside text elements from a public webpage or raw HTML using CSS selectors, with SSRF protection.

Computes a SHA-512 cryptographic hash of Latin1-encoded bytes from input text and returns the digest encoded as a Base64URL string.