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Quick Tools Calculators
70 free calculators that run in your browser
I got tired of calculator sites that hide a ten-second answer behind pop-ups, signup walls, and autoplaying ads. So I built tools that do one job per page and run entirely in the browser. No account, and nothing you type gets stored or sent anywhere. There are 70 of them now. Money side: salary increase (yearly/monthly/biweekly/hourly), credit card payoff, personal loan, CD interest, HELOC, mortgage refinance. Developers get a regex tester, subnet calculator, and JSON formatter.
I got tired of calculator sites that hide a ten-second answer behind pop-ups, signup walls, and autoplaying ads. So I built tools that do one job per page and run entirely in the browser. No account, and nothing you type gets stored or sent anywhere. There are 70 of them now. Money side: salary increase (yearly/monthly/biweekly/hourly), credit card payoff, personal loan, CD interest, HELOC, mortgage refinance. Work side: hours with unpaid breaks and an overtime flag, plus a date calculator that can do business days. Everyday math: ratios, percentages, discounts. Developers get a regex tester, subnet calculator, JSON formatter, and UPC check-digit tool. Home projects get concrete, roofing, and sod estimators. Every page shows the formula so you can see how the number was made. Tell me which one you want next.
About Quick Tools Calculators on Product Hunt
“70 free calculators that run in your browser”
Quick Tools Calculators was submitted on Product Hunt and earned 2 upvotes and 1 comments, placing #146 on the daily leaderboard. I got tired of calculator sites that hide a ten-second answer behind pop-ups, signup walls, and autoplaying ads. So I built tools that do one job per page and run entirely in the browser. No account, and nothing you type gets stored or sent anywhere. There are 70 of them now. Money side: salary increase (yearly/monthly/biweekly/hourly), credit card payoff, personal loan, CD interest, HELOC, mortgage refinance. Developers get a regex tester, subnet calculator, and JSON formatter.
On the analytics side, Quick Tools Calculators competes within Productivity and Developer Tools — topics that collectively have 1.2M followers on Product Hunt. The dashboard above tracks how Quick Tools Calculators performed against the three products that launched closest to it on the same day.
Who hunted Quick Tools Calculators?
Quick Tools Calculators was hunted by Keith. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
For a complete overview of Quick Tools Calculators including community comment highlights and product details, visit the product overview.
Keith
I got tired of calculator sites that hide a ten-second answer behind pop-ups, signup walls, and autoplaying ads. So I built tools that do one job per page and run entirely in the browser. No account, and nothing you type gets stored or sent anywhere. There are 70 of them now. Money side: salary increase (yearly/monthly/biweekly/hourly), credit card payoff, personal loan, CD interest, HELOC, mortgage refinance. Work side: hours with unpaid breaks and an overtime flag, plus a date calculator that can do business days. Everyday math: ratios, percentages, discounts. Developers get a regex tester, subnet calculator, JSON formatter, and UPC check-digit tool. Home projects get concrete, roofing, and sod estimators. Every page shows the formula so you can see how the number was made. Tell me which one you want next.