Frequently Asked Questions (FAQ)

MasterUtils is a collection of free, web-based utilities—calculators, text tools, unit converters, image helpers, developer utilities, and more. You open a tool in your browser, enter or paste your input, and get a result. There is no software to install and no account required for normal use.

No. You can use the tools on this site without registering. If you use the contact form, you may choose to share an email so we can reply—that is optional.

Many of our tools (for example calculators, text formatters, and similar utilities) run in your browser so your input is not sent to our servers just to perform that tool's main function. Some features may work differently; when in doubt, check the tool page and our Privacy Policy, which describes cookies, analytics, and advertising in full.

Use the search and category menus in the header, browse the homepage by category, or open our sitemap. Each tool has its own page with a short description and related links.

Yes. The utilities on MasterUtils are free to use. We may show advertisements (for example through Google AdSense) to help support the site; that does not change the fact that the tools themselves are free.

Ads help us keep the service free. We may use Google AdSense and similar programs. Google and its partners may use cookies to serve ads based on your visits here and elsewhere. You can read how Google uses data at How Google uses information from sites that use their services.

You can adjust your browser's cookie settings, visit Google Ad Settings, or industry opt-out pages such as aboutads.info/choices. See our Privacy Policy for more detail.

We describe collection practices in our Privacy Policy. In summary: we may collect information you send us (for example via the contact form), standard technical data such as IP address and browser type, usage data for analytics, and data through cookies for ads and site improvement—similar to most websites that use analytics and advertising.

Use the contact page or email support@masterutils.com for feedback, bug reports, or questions about a specific tool.

Try a different browser, disable extensions that block scripts, and confirm your input matches what the tool expects. If the problem continues, contact us with the tool name and what you tried—we use feedback to fix issues and improve accuracy.

Our Terms and Conditions explain permitted use, disclaimers, and related topics. By using the site, you agree to those terms.