Your Free Toolkit for Smart Decisions

10 powerful tools – from finance to health – all in one place. No sign‑up, no tracking, just results.

Explore Tools ↓

✅ 100% Free 🔒 Privacy First ⚡ Instant

🧮

Scientific Calculator

Advanced math

💰

Loan & EMI

Monthly payments

📈

Compound Interest

Grow savings

📊

Percentage

Quick calculations

🤖

AI Prompts

Creative ideas

📏

Unit Converter

Length, mass, temp

❤️

BMI Calculator

Health status

📅

Age Calculator

Exact age

✍️

Text Tools

Stats & case

💼

Salary & Tax

Income tax

🧮 Scientific Calculator

Expression (e.g., sin(45)*2 + sqrt(16))

Result will appear here

Supported: +, -, *, /, ^ (power), sqrt(), sin(), cos(), tan(), log(), ln(), abs(), pi, e

💰 Loan & EMI Calculator

Loan Amount (₹)

Annual Interest Rate (%)

Tenure (months)

EMI and total payment will appear here

📈 Investment & Compound Interest

Principal Amount (₹)

Annual Rate (%)

Time (years)

Compounding Frequency

Result will appear here

📊 Percentage Calculator

Value

Percentage (%)

Result will appear

Part

Whole

Result will appear

🤖 AI Prompt Generator

Get a random creative prompt for ChatGPT, Midjourney, or any AI model.

Click to generate

📏 Unit Converter

Value

From

Result

❤️ BMI Calculator

Weight (kg)

Height (cm)

Your BMI and category

📅 Age Calculator

Date of Birth

Your age in years, months, days

✍️ Text Tools

Enter text

Stats / result will appear here

💼 Salary & Income Tax Calculator

Annual Salary (₹)

Deductions under 80C (₹) (optional)

Tax breakdown and net income

🔒 Privacy Policy

Last updated: July 2026

ToolSphere ("we", "our", "us") is committed to protecting your privacy. Since all our tools run directly in your browser, we do not collect, store, or process any personal data on our servers.

No Data Storage: We do not save any files, text, or calculations you perform on our site.
Cookies: We do not use tracking cookies. However, third-party services like Google AdSense may place cookies to serve ads based on your previous visits.
Google AdSense: We use Google AdSense to display ads. Google's use of advertising cookies enables it and its partners to serve ads based on your visit to our site and/or other sites on the Internet.
Your Consent: By using our site, you consent to our privacy policy and agree to its terms.

If you have questions, please contact us.

📜 Terms of Service

Last updated: July 2026

By using ToolSphere, you agree to the following terms:

As-Is Basis: All tools are provided "as is" without any warranties of accuracy or reliability. We are not liable for any decisions or actions taken based on the results.
Acceptable Use: You agree to use the tools for lawful purposes only.
Intellectual Property: The content, layout, and code of this site are the property of ToolSphere. You may not reproduce, distribute, or create derivative works without permission.
Changes: We reserve the right to update these terms at any time. Continued use of the site constitutes acceptance of the updated terms.

⚠️ Disclaimer

The information provided by ToolSphere is for general informational and educational purposes only. All information on the site is provided in good faith; however, we make no representation or warranty of any kind, express or implied, regarding the accuracy, adequacy, validity, reliability, or completeness of any information.

Financial Calculators: The Loan EMI, Investment, and Tax calculators are for estimation purposes only. Actual figures may vary depending on your financial institution and local laws.

Health Calculators: The BMI calculator is for informational purposes only and does not constitute medical advice. Always consult a qualified healthcare professional.

📧 Contact Us

We'd love to hear from you! If you have any questions, feedback, or suggestions, feel free to reach out:

Email: support@toolspher.com

Response Time: We aim to respond to all inquiries within 48 hours.