superduper.tools
Little tools.
Super duper useful.
Format, convert, count, generate — all on this device. Nothing you paste is uploaded. One labeled ad on tool pages, never over the work.
JSON formatter
Pretty-print, minify, and check JSON.
Base64
Encode or decode Base64, including Unicode.
UUID generator
Make version-4 UUIDs. One, or a handful.
Unix timestamp
Convert seconds, milliseconds, and human dates.
Password generator
Random passwords, built on this device.
Word counter
Words, characters, sentences, and reading time.
QR code
Turn a URL or any text into a downloadable code.