
DevTools Advanced
FullStackToolkit
DevFinanceTools
JSON Formatter & Validator
AllDevToolsHub
Boop
DeveloperTools.Tech
120 free browser-based developer utilities. No sign-up required.

Stair Runner Calculator
StairSmith
AllConcreteCalculator.com
Pixels Per Inch (PPI) Calculator
Omni Calculator
Free-Calculator.org
Scientific Calculator
93 stair-only calculators. No logins, no unrelated tools, no black-box math — every formula shows its work and cites the exact code section behind it.
Which is more popular?
Website, pricing, platforms and company facts side by side.
|
|
|
|
|---|---|---|
| Website | devtoolstack.io | mystaircalculator.com |
| Pricing | ||
| Company | — | Startup from the United States · 250 - 499 employees · 2026 |
| Listed in |
In their own words, as submitted to SaaSHub.


No description of DeveloperToolStack yet.
Free Riser Height Calculator from mystaircalculator.com — enter your total rise and step count to get exact riser height, checked live against the IRC §R311.7.5.1 maximum of 7.75". Formula shown on the same page, no login or signup required. Part of a 93-calculator library built exclusively for...
What each product offers, as listed by its team.


Possible disadvantages
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using DeveloperToolStack and Stair Calculators. For example, how are they different and which one is better?
When comparing DeveloperToolStack and Stair Calculators, you can also consider the following products.

A collection of developer tools in one place in your browser
Compare DevTools Advanced to DeveloperToolStack or Stair Calculators:

Free stair runner calculator. Enter steps, tread depth and riser height and this stair runner length calculator shows exactly how much runner to buy, in metres and feet.
Compare Stair Runner Calculator to DeveloperToolStack or Stair Calculators:

Free, no-signup developer tools for technical SEO: robots.txt, sitemap.xml and .htaccess generators, plus practical guides. Everything runs in your browser.
Compare FullStackToolkit to DeveloperToolStack or Stair Calculators:
Parametric 3D staircase design with IFC4 and dimensioned DXF export. Free and browser-based. Compliance remains the designer's responsibility.
Compare StairSmith to DeveloperToolStack or Stair Calculators:

Free, no-signup calculators for the money side of building software and freelancing
Compare DevFinanceTools to DeveloperToolStack or Stair Calculators:

80+ free concrete calculators covering slabs, footings, mix design, rebar, cost estimation, and more. Trusted by contractors and engineers.
Compare AllConcreteCalculator.com to DeveloperToolStack or Stair Calculators: