Catalog

Stackin

Issue and manage Brazilian fiscal documents: NF-e for goods, NFS-e for services.

MIT Research & Science News — buy per-query in-session (mitwatch)

MIT research news: science & engineering

Findadomain.name

Find domains and domain hacks with live availability, registrar prices, and keyword search demand.

Yards to meters

XID shape check

UUID v5 name-based shape

UUID v1 time-based shape

Nil UUID constant

Max UUID constant

UTF-16 unit count, text discarded

Unix year number

Unix week number

Unix hour number

ULID character length

TE / transfer-encoding token shape

Stone to pounds

snake_case shape, text discarded

Sentence count, text discarded

RSS feed shape, body discarded

Quoted-printable length, input discarded

Public suffix count

PSI to kilopascals

Percent-decode length, input discarded

NDJSON shape check, body discarded