Looking for quick, simple, and reliable tools to get things done? You are in the right place. Our collection of free online calculators, converters, and utilities is designed to make your life easier—whether you're crunching numbers, converting files, or solving everyday problems. No signups, no fees—just fast, easy-to-use tools accessible from anywhere. Discover a smarter way to get things done, all in one place.
Pieter’s Toolbox is a free collection of online calculators and converters designed to solve everyday problems. From financial calculations to file conversion and health tools, this site brings together simple, fast, and reliable tools in one convenient place—no signups or fees required.
Pieter’s Toolbox is built for anyone who wants to get things done quickly without distractions. You might want to:
Yes! All tools on Pieter’s Toolbox are completely free to use, with no subscriptions, no accounts, and no hidden costs. The site is designed to be lightweight, fast-loading, and available from any device or browser.
Nope. Pieter’s Toolbox works entirely in your browser. Whether you're on a phone, tablet, or computer, just visit the site and start using the tools right away—no downloads, no plugins, and no hassle.
The toolbox includes practical, everyday utilities such as:
More tools are being added regularly based on user feedback. Feel free to contact me with suggestions or feedback.