Answers to common questions about UtilityLab.
Yes. All 220+ tools on UtilityLab are free to use. There is no subscription, no paywall, and no hidden fees. We may display ads in the future to cover hosting costs, but the tools themselves will always be free.
No. You can use any tool without signing up or providing an email address. There are no accounts, no logins, and no email requirements.
No. All calculations and processing run entirely in your browser. We do not receive, store, or transmit the numbers you enter, the images you process, or the text you handle. Your data never leaves your device.
Yes. All tools are mobile-friendly and work on phones, tablets, and desktops. The layout adjusts to fit your screen.
Our calculators use standard formulas and are accurate for general estimation. However, they are not a substitute for professional advice. For critical financial, medical, or construction decisions, consult a qualified professional.
No. Unlike many other tool sites, we do not upload your files, images, or text to any server. Everything stays on your device. This is possible because modern browsers can process data locally using JavaScript.
Most tools work offline once the page has loaded, because the processing happens in your browser. However, some tools that use external libraries (like PDF tools, AI tools, or OCR) may require an internet connection.
Yes. UtilityLab works in modern browsers including Chrome, Firefox, Safari, and Edge. If you are using an older browser, some features may not work correctly.
Our AI tools use Transformers.js, a library that runs machine learning models directly in your browser. The models are downloaded once and cached. Your text and images never leave your device.
AI models are larger than standard calculators. The first time you use an AI tool, the model needs to download (which may take 1-3 minutes depending on your connection). After that, it is cached by your browser and loads quickly.
Yes. Visit our Widgets page to get the embed code for any tool. It is free and requires no sign-up.
No. The widget runs in an iframe and does not track your visitors. Your visitors' data stays on your site.
We may display ads in the future to cover hosting costs. The tools themselves will always be free. We do not sell your data because we do not have it.
Yes. We welcome suggestions. Contact us at utilitylab.tools@gmail.com with your idea. We review all requests and add tools that are useful to our users.
Please email us at utilitylab.tools@gmail.com with the name of the tool, a description of the issue, and your browser/device. We appreciate bug reports and try to fix issues quickly.
Yes. You can use the tools for personal or commercial purposes. However, you may not copy, redistribute, or sell the tools themselves without permission.
We use cookies for analytics (Google Analytics) and, in the future, may use cookies for advertising. You can disable cookies in your browser settings. See our Privacy Policy for details.
We do not process payments. All tools are free, so we never ask for payment information.
You can email us at utilitylab.tools@gmail.com or use our Contact page. We try to respond within 2-3 business days.