Launching today
ToolLantern
Free online tools for everyday work
1 follower
Free online tools for everyday work
1 follower
Free online tools for everyday work: image converters, unit converters, business, home, energy and fitness calculators, and developer tools. No sign-up.
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Hi Product Hunt! ToolLantern is a free collection of 67 calculators and converters for everyday questions: image conversion and compression that runs entirely in your browser, appliance electricity costs (AC, dryer, space heater, gaming PC), mulch, gravel and topsoil quantities, BMI/TDEE/Navy body fat, plus percentage, date and developer tools. Every calculator shows its formula and a worked example, there are plain-English guides for the maths, and any calculator can be embedded on your own site for free. No sign-up, no paywall. Which calculator should be added next?