Free to use
Everyday calculations without a paywall or surprise fee.
Useful by design
Free tools that make everyday life easier.
Calculate, convert, create and simplify everyday tasks with fast and easy-to-use online tools.
Free to useNo sign-up requiredPrivacy focused
Start here
Popular tools
Reliable answers for the tasks people do most.
Percentage Calculator
Find percentages, increases and differences in seconds.
Age Calculator
Calculate an exact age in years, months and days.
Discount Calculator
See the final price and exactly how much you save.
VAT Calculator
Add or remove VAT with common European rates.
Salary Calculator
Compare gross pay across yearly, monthly and hourly periods.
Loan Calculator
Estimate repayments, total interest and full loan cost.
Explore Kitalva
Browse by category
One calm, organised home for your most useful online tools.
Everything in one place
All tools
Twenty focused tools, ready to use without an account.
01 · CalculatorsPercentage Calculator→02 · CalculatorsAge Calculator→03 · CalculatorsDiscount Calculator→04 · FinanceVAT Calculator→05 · CareerSalary Calculator→06 · FinanceLoan Calculator→07 · FinanceCompound Interest Calculator→08 · EverydayDate Calculator→09 · EverydayDays Between Dates→10 · EverydayTime Calculator→11 · CalculatorsBMI Calculator→12 · CalculatorsFuel Cost Calculator→13 · ConvertersUnit Converter→14 · ConvertersLength Converter→15 · ConvertersWeight Converter→16 · ConvertersTemperature Converter→17 · PDF & File ToolsImage Compressor→18 · PDF & File ToolsJPG to PNG→19 · PDF & File ToolsPNG to JPG→20 · EverydayQR Code Generator→
Less friction, more done
Why Kitalva?
Useful tools should feel effortless. Kitalva is built to give you a clear answer without clutter, confusing forms or hidden catches.
Browser-first calculations
Your basic calculator inputs stay on your device.
Fast and simple
Clear inputs, instant answers and no unnecessary steps.
No registration needed
Open a tool and get your answer. An account stays optional.
Privacy focused
Simple calculations run in your browser whenever possible.
Understand the answer
Practical guides
Clear formulas, worked examples and the context behind everyday calculations.
01
How to Calculate Percentages Without Guesswork
Learn the three percentage formulas that solve most everyday questions, with clear examples for discounts, changes and comparisons.
Read guide →02
How VAT Works: Net, VAT and Gross Explained
Understand net prices, VAT amounts and gross totals, including the correct way to add or remove VAT from a price.
Read guide →03
Compound Interest Explained With a Simple Example
See how compounding, time, contribution frequency and fees change long-term savings growth with a practical example.
Read guide → Built for power users
Go further with Kitalva Pro.
Keep the essentials free, then unlock a faster workspace for bigger files, premium exports and unlimited AI tools.
€6.99/ month
Cancel anytime
Cancel anytime
✓Ad-free experience
✓Unlimited AI tools
✓Premium CV templates
✓PDF and DOCX export
✓Larger file limits
✓Saved history
✓Batch processing
✓Advanced tools
Freshly added
Latest tools
We are building Kitalva carefully, one genuinely useful tool at a time.