18 Services from landingen24h.com

Returns Argentine national holidays (including puentes turísticos) for a given year, and optionally checks whether a date is a business day, returns the next business day, and adds N business days to a given date.

Returns Argentina's latest consumer price inflation data from INDEC (monthly %, YoY %, last 12 months) and optionally computes compounded cumulative inflation between two months with an inflation-adjusted amount.

Validates an Argentine CBU or CVU bank account number offline by checking both check digits, returning account type, entity/branch codes, bank name, and formatted value.

Generates a complete, mobile-ready HTML landing page for a small business in seconds, including copywriting, WhatsApp button, and branded design.

Computes the Ethereum-native Keccak-256 hash of a UTF-8 string or hex bytes, returning the full hash and the 4-byte function selector

Validates and formats an Argentine tax/identity number (CUIT or CUIL) by checking prefix, checksum, and structure — entirely offline without querying AFIP/ARCA.

Audits a public URL for SEO, performance, security headers, and mobile-readiness issues, returning a grade, score, and actionable issue list.

Converts a given amount between two ISO 4217 currencies and returns the current mid-market exchange rate, converted amount, and inverse rate.

Analyzes a block of text and returns detailed statistics including word count, sentence count, reading time, and top words.

Converts a text string into a URL-safe slug with configurable separator and maximum length

Generates cryptographically secure random integers and hex bytes using the browser's CSPRNG (crypto.getRandomValues)

Hashes UTF-8 text using SHA-1, SHA-256, SHA-384, SHA-512, or all algorithms at once, returning hex and base64 encoded digests.

Generates one or more UUIDs in v4 or v7 format, returning them with metadata including generation timestamp.

Parses and normalizes Argentine phone numbers into E.164, WhatsApp-ready, and international formats, detecting mobile vs landline.

Returns current Argentine peso exchange rates for various USD quote types (blue, official, MEP, crypto, card, etc.)

Returns the current UTC and local time for a given IANA timezone, sourced from a Cloudflare NTP-synced edge clock.

Encodes or decodes text to/from Base64, with optional URL-safe mode

Returns the caller's IP address along with geolocation, ASN, timezone, TLS version, and HTTP protocol details.