$ ls ~/tools
Tools
Small, free utilities I built because I needed them. Use them in the browser — no sign-up, no tracking. More on the way; nothing listed here until it actually works.
STATUS
TOOL
WHAT IT DOES
FROM THE WORLD OF
LIVE
LensCalc
Solve focal length, working distance or field of view from the other two, with sensor formats, magnification and pixel sampling.
MACHINE VISION
LIVE
NetCalc
Subnet and CIDR maths, VLSM planning, range summarising, IPv6 conversions, and the commands for each platform.
NETWORKING
LIVE
RotaryPeelCalc
A peeling recipe from the dry sheet: green peel thickness, score length and clip width for a species and a moisture content.
VENEER