Company
About FreeToolz — Free Online Calculators & Tools
200+ free calculators and tools that work instantly in your browser — no signup, no data collection, forever free.
Our Mission
FreeToolz exists to prove that the best tools don't require payment, registration, or surveillance. We've built a collection of 200+ calculators and utilities spanning finance, health, education, productivity, and lifestyle — all free, all fast, all private.
Every calculation, conversion, and analysis you do on FreeToolz stays on your device. We don't upload your data to servers, track your activity, or sell your information. This isn't a compromise; it's the default.
What We Offer
FreeToolz hosts utilities across dozens of categories: EMI calculators for loans and mortgages, BMI and health metrics, currency and unit converters, tax calculators, investment planners, time zone tools, and much more. Each tool is designed to be simple, accurate, and useful without unnecessary features or confusing interfaces.
- Finance: loan EMI, investment returns, compound interest, GST, income tax, mutual fund calculators
- Health: BMI, calorie burn, pregnancy tracker, nutrition estimators
- Conversion: currency, units, temperature, date/time calculations
- Productivity: age calculator, word counter, number formatter, random generators
- All tools are browser-based and work offline once loaded
Our Principles
Four commitments guide every tool we build and every decision we make:
- Accuracy: Every calculator is tested against authoritative formulas and real-world scenarios. We cite our methodology and update tools when standards change.
- Privacy: Zero data collection. All calculations happen in your browser. We don't use cookies for tracking, analytics, or profiling — only what's necessary for the site to function.
- Speed: Tools load instantly and run without lag. No bloat, no waiting for servers, no unnecessary animations.
- Free Forever: FreeToolz will always be free to use. No premium tier, no paywalls, no 'free trial' that expires. Ads keep us running; your support keeps us independent.
How We Stay Accurate
Every tool on FreeToolz is reviewed by the FreeToolz Editorial Team — a group of subject-matter experts, engineers, and data analysts. We verify calculations against official sources, test edge cases, and update tools when tax laws, medical guidelines, or conversion rates change.
When we build a finance calculator, we reference RBI and SEBI guidelines. Health tools are checked against WHO and medical standards. Conversion rates are pulled from authoritative sources and refreshed regularly. If we discover an error, we fix it immediately and note the update.
You'll find footnotes and explanations within each tool so you understand the methodology. We don't hide assumptions behind a black box.
Why We're Ad-Supported
Running 200+ tools — maintaining them, updating data, securing infrastructure, and keeping the site fast — costs money. We've chosen to stay ad-supported rather than charge you, because we believe free access is more important than zero advertising.
Our ads are unobtrusive and from trusted networks. They don't track you, slow down your tools, or interrupt your workflow. And we'll never sell your data to advertisers; the ads simply help us cover our costs and keep FreeToolz alive.
Privacy & Security
Your privacy isn't a feature we're proud of — it's non-negotiable. When you use a FreeToolz calculator, the math happens on your device. Your loan amount, health metrics, financial data, and personal information never leave your browser.
We don't use third-party analytics that track your behavior across the web. We don't set cookies to follow you. We use HTTPS encryption so your connection is secure, and we audit our code regularly to stay ahead of vulnerabilities.
If you have specific concerns about your privacy or security, you can inspect the source of any calculator in your browser's developer tools — our code is transparent and auditable.
Our Community
Millions of people use FreeToolz every month to plan loans, track health, convert currencies, and solve everyday problems. We build for them — not for venture capital, not for a payday, not for growth metrics. We build because accurate, private, free tools are a public good.
If you've found FreeToolz useful, share it with someone who needs it. If you have feedback, spot an error, or want to suggest a new tool, get in touch. We read every message.
Frequently asked questions
Is FreeToolz really free?
Yes, completely. Every calculator and tool on FreeToolz is free to use forever. We're ad-supported, so there are no hidden fees, paywalls, or premium tiers. You'll never be charged.
Do you store or sell my data?
No. All calculations happen in your browser on your device. We don't upload, store, or sell any of your data. We don't even use tracking cookies or analytics that follow you across the web. Your privacy is protected by design.
How accurate are FreeToolz calculators?
All tools are tested against authoritative formulas and official guidelines (RBI/SEBI for finance, WHO standards for health, etc.). We update them when laws or standards change. If you spot an error, report it and we'll fix it immediately.
Do I need to sign up or create an account?
No. FreeToolz works without signup, login, or registration. Just open a calculator and use it immediately.
Will FreeToolz work offline?
Once a tool is loaded in your browser, it will continue to work offline. You can close the tab, disconnect from the internet, and come back — the calculator will still function.
Can I use FreeToolz tools on my phone?
Yes. Every FreeToolz calculator is mobile-friendly and works on phones, tablets, and desktops. Just visit the site in your mobile browser.