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
18 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.
GlobalEMI Calculator
NewWork out the monthly instalment on a home, car, personal or gold loan.
IndiaCTC to In-Hand
NewWork out what a CTC offer actually pays each month after EPF, professional tax and income tax.
IndiaIncome Tax Calculator
NewCompare your tax under the old and new regimes side by side and see which costs less.
IndiaHRA Exemption
NewWork out how much of your house rent allowance is tax free, and which limit is capping it.
IndiaSIP Calculator
NewSee what a monthly mutual fund investment could grow to, with a yearly breakdown.
IndiaGST Calculator
NewAdd or remove GST at any Indian slab rate.
IndiaStamp Duty
NewWork out SDLT, LBTT or LTT on a property purchase, including first-time buyer and second-home rules.
UKUK Take-Home Pay
NewSee your salary after income tax, National Insurance, student loan and pension for the 2026/27 tax year.
UKRotate PDF
NewTurn sideways or upside-down pages the right way up, and save the change permanently.
GlobalSplit PDF
NewPull out the pages you need, or break a document into separate files, without uploading it.
GlobalMerge PDF
NewCombine several PDFs into one, in any order, without uploading them anywhere.
GlobalPassport Photo Resizer
NewCrop and resize a photo to the exact dimensions a passport, visa or exam form requires.
GlobalImage Compressor
NewShrink a photo to any exact file size for exam, passport and form uploads.
IndiaQR Code Generator
NewMake a QR code for a link, text, WiFi network, phone number or email.
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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.