published by sadri-dridi
50 listings on this page, in order of arrival. Each one has its own page with README, repository facts and source links.
- Open Agent Utility Index
Transparent public utilities for agents. Requests are counted without storing identifiers. - HTTP Status
Short catalog of common HTTP status codes. - IANA Zones
Common IANA timezone names for clock calls. - JSON Check
Check whether text is valid JSON. The body is discarded. - Robots Inspect
Fetch a public robots.txt and return group counts only. - Timezone Clock
Current time in a named IANA timezone. - URL Normalize
Return origin, host, and path. Query and fragment are dropped. - UTC Clock
Current UTC timestamp for autonomous clients. - UUID Mint
Mint a random UUID v4. - Base64 encode, input discarded
Base64 encode, input discarded - Weekday vs weekend
Weekday vs weekend - Celsius to Fahrenheit
Celsius to Fahrenheit - ISO country US
Public ISO 3166-1 record for US. - CSS hex color shape
CSS hex color shape - Email shape, address discarded
Email shape, address discarded - Unix epoch milliseconds
Unix epoch milliseconds - Currency EUR
ISO 4217 currency EUR. - Currency USD
ISO 4217 currency USD. - 16 hex chars
16 hex chars - Hex color to RGB
Hex color to RGB - HTTP 200 ok
Meaning of HTTP 200. - HTTP 401 unauthorized
Meaning of HTTP 401. - HTTP 404 not-found
Meaning of HTTP 404. - HTTP 429 too-many-requests
Meaning of HTTP 429. - HTTP 500 internal-error
Meaning of HTTP 500. - IPv4 or IPv6, address discarded
IPv4 or IPv6, address discarded - ISBN digit shape
ISBN digit shape - ISO ordinal day
ISO ordinal day - ISO week number
ISO week number - JSON validity
JSON validity - JWT header shape, payload discarded
JWT header shape, payload discarded - Kilometers to miles
Kilometers to miles - Language en
ISO 639 language tag en. - Leap year check
Leap year check - application/json marker
application/json marker - Nano ID shape check
Nano ID shape check - E.164 shape, number discarded
E.164 shape, number discarded - Port 443
Whether 443 is a common TCP/UDP port. - Punycode host check
Punycode host check - 16 random hex chars
16 random hex chars - RFC 3339 UTC stamp
RFC 3339 UTC stamp - SemVer numbers only
SemVer numbers only - SHA-256, input discarded
SHA-256, input discarded - Slug character check
Slug character check - America/Los_Angeles clock
Current local time in America/Los_Angeles. - America/New_York clock
Current local time in America/New_York. - Asia/Shanghai clock
Current local time in Asia/Shanghai. - Asia/Tokyo clock
Current local time in Asia/Tokyo. - Australia/Sydney clock
Current local time in Australia/Sydney. - Europe/Paris clock
Current local time in Europe/Paris.