239 small browser tools for mortgages, BMI, unit conversion, text, and developer chores. No signup and no install—open a page and use it.
Includes a mortgage calculator, BMI calculator, word counter, and password generator.
Trending tools grouped by category —siblings under the same parent keyword.
Convert between units, formats, and number systems instantly.
Manipulate, format, analyze, and generate text.
Popular calculators and converters people search for most.
Utilities and helpers for developers, designers, and IT pros.
Stay focused and manage your time better.
Each page is a small, single-purpose tool—not a dashboard you have to learn. Most calculators and converters run with JavaScript in your browser, so a paste or number change updates on the spot. Ads keep the site free; there is no account wall.
This is not a desktop suite or an offline installer. If JavaScript is blocked, or you need certified lab/medical software, use a product built for that. Browse the calculators directory, skim the blog, or read our About page.
Open a tool, type or paste, and get a result without creating an account or installing an app.
For most tools, your numbers and text are processed in the page itself—we do not ask you to upload files to a workspace.
Forms and buttons are sized for small screens so you can convert units or run a quick calc from a phone browser.
Yes. You can use them without paying or signing up. The site is supported by ads, so you may see ad units next to the forms.
On the calculator and converter pages we maintain, the work happens in your browser with client-side JavaScript. We do not provide a login or cloud folder for saving your inputs. Still treat highly sensitive secrets carefully—browser extensions can always see a page.
No. Open the URL, use the form, copy the result. There is nothing to sync across devices.
About 239 pages spanning calculators, converters, text helpers, developer utilities, and timers. Use search on this page or the calculators hub if you are not sure where to start.
Most pages are responsive, but very large pastes (big JSON, long Base64) can slow a low-memory phone tab. Try a desktop browser or split the input if the page freezes.
Current Chrome, Firefox, Safari, and Edge are fine. Internet Explorer is not supported. You need JavaScript enabled.