agentbits.dev

Decode a Base64 string into UTF-8 text and report invalid payloads as errors when recovering embedded credentials, tokens, or transport-encoded conten

Convert a UTF-8 string into standard Base64 when you need a portable text encoding for credentials, binary-safe transport, or embedding data in JSON/H

Download the complete versioned countries dataset as JSON for caching, offline use, or multi-country analysis when a single country_lookup call is not

Resolve an ISO 3166-1 alpha-2 country code (for example CA, US, JP) to official name, region, currency, calling code, languages, and related country m

Resolve an ISO 4217 currency code such as USD, EUR, or JPY to its name, symbol, decimal places, and which countries use it when you need currency meta

Explain what a numeric HTTP status code such as 404 or 429 means by returning its standard reason phrase and a short description for debugging or API

Verify whether an ISBN-10 or ISBN-13 passes checksum rules and return normalized digits when checking book identifiers before catalog or purchase flow

Parse a string as JSON to confirm it is well-formed and return a normalized representation when possible before further processing or storage. Use whe

Resolve an ISO 639-1 language code such as en, fr, or ja to its English name and native name when you need language metadata from a two-letter code. U

Run the Luhn checksum on a numeric string such as a payment-card-like identifier to verify the check digit before accepting or storing the value. Use

Map a file extension such as webp or png, or a MIME type string, to curated Content-Type metadata when setting headers, validating uploads, or choosin

Convert Unix epoch seconds or milliseconds to ISO-8601, or an ISO-8601 datetime to Unix epoch values, when bridging APIs that disagree on time formats

Convert an ISO-8601 datetime from one IANA timezone to another while preserving the same instant, including daylight-saving-aware wall times such as T

Identify what a DNS top-level domain such as com, io, or ai is classified as and commonly used for when classifying domains or answering TLD questions

Convert a numeric value between supported length, mass, or temperature units—for example miles to kilometers or Celsius to Fahrenheit—when you need a

Decode a percent-encoded URL component into plain text when reading query parameters, path segments, or form values that contain escaped characters. U

Apply encodeURIComponent-style percent-encoding so query parameters, path segments, or form values are safe to place in a URL. Use when: - Percent-enc

Check whether a string is a well-formed UUID and, when recognizable, report its version and variant so you can accept or reject identifier inputs conf