Decode a JWT into its header, payload and claims timeline, and see at a glance whether it has expired.
Encode text to RFC 4648 Base32 and decode it back, with padding control and a byte count.
Turn a CSV table into clean YAML with typed scalars, quoted strings and a list of maps.
Strip JSON whitespace or pretty-print it, with key sort and duplicate detection.
Mask, wildcard, network and broadcast addresses, first and last usable host, and how many hosts a prefix really gives you.
Write a correct robots.txt with your sitemap attached, and optionally block AI training crawlers by name.
Paragraphs, word lists or bullets in several styles, with a live count.
Solve for the missing term in V = I x R, and decode any four-band resistor into its value and tolerance.
