About UtilitiesTools

UtilitiesTools is a growing collection of fast, free, no-signup online utility tools — calculators, generators, converters and text tools that each solve one specific job instantly, right in your browser.

Who runs this site

UtilitiesTools is built and maintained by Leo Wang (leowang.net).

Our principles

• Privacy first. Wherever possible, your input never leaves your browser — text, numbers and image processing run entirely client-side.
• No sign-up, no friction. Open the tool, get your answer, leave.
• Fast and free. Every page is built to load instantly and works great on mobile.

Last updated June 2026. Questions? See our Contact page.