Stair Calculators
StairDesigner
Parametric 3D staircase design with IFC4 and dimensioned DXF export. Free and browser-based. Compliance remains the designer's responsibility.

JSON Formatter & Validator
DevTools Advanced
JSONFormatter.org
FreeFormatter
JSON Editor Online
SmallDevTools
TheDevTools
FOSS tools for developers

Which is more popular?
Website, pricing, platforms and company facts side by side.
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SS
StairSmith
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| Website | jakewhitearchitecture.com | developertools.tech |
| Pricing | — | |
| Company | Startup from the United Kingdom · 1 - 9 employees · 2026 | — |
| Listed in |
In their own words, as submitted to SaaSHub.

StairSmith is a browser-based parametric staircase design tool requiring no login or installation. It supports timber staircase designs in straight layouts, ninety-degree single winders, and one-hundred-eighty-degree double winders. Users can adjust parameters like rise, going, and width while...
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