About Helpful Tools

Helpful Tools is a directory of 6 free, no-signup web tools, spanning Developer Tools, Converters, Calculators, Text Tools, built and maintained by Joe Koppin, a software engineer. Each listing links out to its own standalone site, this page just helps you find the right one instead of searching for each individually.

Every site listed shares the same philosophy: free, no accounts, no subscriptions, and wherever the tool allows it, entirely client-side, so what you type into a calculator or converter stays in your browser instead of going to a server. See each site's own Privacy Policy for its specifics.

Helpful Tools is part of the Ten Eleven family. The sites are ad-supported. If one saved you time, a coffee is always appreciated but never required. Questions, feedback, or a tool you'd like to see added can go to privacy@helpfultoolsonline.com. See the Privacy Policy and Terms of Use for this site specifically.