Free online tools that just work.
Calculators, converters and generators that run entirely in your browser.
- No login
- No signup
- No paywall
- Nothing leaves your browser
All tools
4 tools available. More added every week.
Percentage Calculator
NewWork out percentages, increases, decreases and what percent one number is of another.
GlobalAge Calculator
NewFind an exact age in years, months and days from a date of birth.
GlobalDate Difference Calculator
NewCount the days, weeks and months between two dates.
GlobalTime Zone Converter
NewConvert a time between any two time zones and find a slot that suits both.
GlobalBrowse by category
Why FreeToolSmith
- Every tool runs in your browser. The numbers and files you put in are never sent to a server, so there is nothing for us to store or lose.
- No account, ever. Nothing to sign up for and no email to hand over.
- Built to work on a mid-range phone and a slow connection.
How it stays free
Adverts pay for the hosting, and that is the whole business model. There is no premium tier, no usage limit and no feature held back for a paying plan. If a tool is here, it works fully for everyone.