UToolios · House #26,945

What it is

Calls itself “calculators” and “dev tools”.

• Calls itself: calculators · dev tools

“Free calculators & dev tools that never see your data”

Where it puts itself

Rules out “server-side processing”.

• Says it will not: server-side processing

“Most online calculators are a thin wrapper around a formula, wrapped in three ad units and a newsletter popup. The aim here is the opposite: get you the answer immediately, then explain the method properly underneath so you can check it.”

“Tool inputs are never sent to a server, because there is no server-side processing.”

What it costs

A free tier, free forever.

• Free plan: free forever

“UToolios is 16 free tools that run entirely in your browser”

Who it sells to

Made for software engineer.

• Made for: software engineer

“Sujit Maharjan is a software engineer who builds UToolios out of a passion”

How it runs

A web app. Runs locally and works offline. No API.

• Kind: web
• Runs where: on the device, offline
• API: no

“UToolios is 16 free tools that run entirely in your browser”

“Tool inputs are never sent to a server, because there is no server-side processing.”

What it offers as proof

Live, no waitlist. Claims “16”. Try it without signing up.

• Number claimed: 16
• Trial asks for: nothing

“…nothing you type is uploaded, and there's no sign-up.”

“UToolios is 16 free tools that run entirely in your browser”