Effortless conversions
The Numbers Mason is built for people who need fast, reliable text transformations without the usual friction. We focus on polishing the details so you can decode, encode, and share in seconds.
Automatic format detection
Paste anything and we recognize whether it’s plain text, NATO phonetics, or binary. No toggles, no guesswork - you get the right output instantly.
Shareable results
Every conversion updates the URL, so sharing is as easy as copying a link. Collaborators open the link and see the exact same state you sent.
Conversion without friction
Switch directions, decode, encode, and copy in a single flow. No separate pages, no extra steps, just the results you need.
Ready when you are
Fast, keyboard-friendly controls and a responsive layout mean the converter is ready on any device, in any context.