No signup. No download. 100% free — forever.
Basic Calculator Online is a fast, lightweight, and fully browser-based toolkit offering 60+ professional-grade calculators, converters, image tools, PDF utilities, developer tools, and fun utilities — all accessible instantly without any login or installation.
Whether you're a student calculating GPA, a developer generating UUIDs, a professional building invoices, a fitness enthusiast tracking macros, or just looking for a fun screen tool — this platform has something for everyone.
🔗 Live at: https://basiccalculatoronline.com 📋 All Tools: https://basiccalculatoronline.com/all-tools
| Tool | URL |
|---|---|
| Basic Calculator | / |
| Scientific Calculator | /scientific-calculator |
| Percentage Calculator | /percentage-calculator |
| Fraction Calculator | /fraction-calculator |
| Discount Calculator | /discount-calculator |
| Time Calculator | /time-calculator |
| GPA Calculator | /gpa-calculator |
| Grade Calculator | /grade-calculator |
| Date Calculator | /date-calculator |
| Tool | URL |
|---|---|
| Loan / EMI / Mortgage Calculator | /loan-emi-mortgage-calculator |
| Mortgage Calculator | /mortgage-calculator |
| Compound Interest Calculator | /compound-interest-calculator |
| Investment Calculator | /investment-calculator |
| Retirement Calculator | /retirement-calculator |
| Tax Calculator | /tax-calculator |
| Salary Calculator | /salary-calculator |
| Tip Calculator | /tip-calculator |
| Tool | URL | Status |
|---|---|---|
| BMI Calculator | /bmi-calculator | ✅ |
| Age Calculator | /age-calculator | ✅ |
| Calorie Calculator | /calorie-calculator | ✅ |
| TDEE Calculator | /tdee-calculator | ✅ |
| Sleep Calculator | /sleep-calculator | ✅ |
| Ovulation Calculator | /ovulation-calculator | ✅ |
| Pregnancy Calculator | /pregnancy-calculator | ✅ |
| Macro Calculator | /macro-calculator | ✅ |
| Ideal Weight Calculator | /ideal-weight-calculator | ✅ |
| Body Fat Calculator | /body-fat-calculator | ✅ |
| Tool | URL | Status |
|---|---|---|
| Unit Converter | /unit-converter | ✅ |
| Currency Converter | /currency | ✅ |
| Temperature Converter | /temperature-converter | ✅ |
| Case Converter | /case-converter | ✅ |
| Number to Word | /number-to-word | ✅ |
| Color Converter | /color-converter | ✅ |
| Number Base Converter | /number-base-converter | ✅ |
| Tool | URL | Status |
|---|---|---|
| Image Resizer | /image-resizer | ✅ |
| Image Compressor | /image-compressor | ✅ |
| Image Cropper | /image-cropper | ✅ |
| Image Type Converter | /image-type | ✅ |
| Image to PDF | /image-to-pdf | ✅ |
| Image to Text (OCR) | /image-to-text | ✅ |
| Background Remover | /background-remover | 🆕 New |
| Merge PDF | /merge-pdf | ✅ |
| Compress PDF | /compress-pdf | ✅ |
| PDF to Word | /pdf-to-word | ✅ |
| Tool | URL | Status |
|---|---|---|
| JSON Formatter | /json-formatter | ✅ |
| QR Code Generator | /qr-code-generator | ✅ |
| Password Generator | /password-generator | ✅ |
| UUID Generator | /uuid-generator | ✅ |
| Base64 Encoder | /base64-encoder | ✅ |
| Hash Generator | /hash-generator | ✅ |
| Random Number Generator | /random-number-generator | ✅ |
| Number Base Converter | /number-base-converter | ✅ |
| Tool | URL |
|---|---|
| Invoice Generator | /invoice |
| Word Counter | /word-counter |
| Lorem Ipsum Generator | /lorem-ipsum-generator |
Lightweight tools for everyday quirky needs.
| Tool | URL | Status |
|---|---|---|
| White Screen | /white-screen | 🆕 New |
| Fake OS Update Screen | /fake-update | 🆕 New |
- ⚡ Instant Access — All tools load in the browser with zero friction
- 🔒 Privacy First — No data is stored or transmitted to any server
- 📱 Fully Responsive — Works seamlessly on mobile, tablet, and desktop
- 🌍 Currency Live Rates — Real-time exchange rates updated hourly for 150+ currencies
- 🧩 60+ Tools — One platform for math, finance, health, dev, and more
- 🆓 100% Free — No paywalls, no subscriptions, no hidden costs
- ⌨️ Keyboard Support — Full keyboard and numpad support for faster input
- 🚀 Actively Growing — New tools added regularly
Educational articles and guides published at basiccalculatoronline.com/blog:
| Article | URL |
|---|---|
| How to Calculate Percentage — Complete Guide | /blog/how-to-calculate-percentage-complete-guide |
| Best Free Calculators for Students 2025 | /blog/best-free-calculators-for-students-2025 |
| How to Calculate BMI — Formula & Chart | /blog/how-to-calculate-bmi-formula-chart |
| How to Calculate Age from Date of Birth | /blog/how-to-calculate-age-from-date-of-birth |
| How to Calculate Loan EMI — Formula | /blog/how-to-calculate-loan-emi-formula |
| GPA Calculator — How to Calculate GPA | /blog/gpa-calculator-how-to-calculate-gpa |
| Unit Conversion Guide — Complete Reference | /blog/unit-conversion-guide-complete-reference |
| JSON Formatter Guide — Validate & Beautify | /blog/json-formatter-guide-validate-beautify |
# Clone the repository
git clone https://github.com/shahedbd/awesome-web-tool.git
# Navigate into the project
cd awesome-web-tool
# Install dependencies
npm install
# Start the development server
npm run dev