BD Tools & Calculator
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About this app
BD Tools & Calculator is an all-in-one, offline-first Android toolbox built specifically for everyday calculations, land surveys, financial planning, and daily utility tasks.
Say goodbye to cluttering your phone with dozens of separate apps. Whether you need to calculate land area in traditional Bangladeshi units (Shatak, Katha, Bigha), calculate your loan installment (EMI), verify your exact age, scan and generate QR codes, or resize photos for government job applications, BD Tools & Calculator provides fast, accurate, and reliable tools right in your pocket.
Designed with modern Material 3 design, complete Bengali and English language support, and a zero-login architecture, the app launches instantly and respects your privacy.
KEY FEATURES & UTILITIES
1. BANGLADESH LAND AREA CONVERTER (জমির পরিমাপ ও রূপান্তর)
• Convert seamlessly between Shotangsho/Shatak/Decimal, Katha, Bigha, Acre, Square Feet, Square Meters, and Hectares.
• Includes regional Kani and Gonda reference units.
• Formula breakdown ensures complete transparency for property buyers, sellers, and surveyors.
2. LOAN & EMI INSTALLMENT CALCULATOR (কিস্তি ও লোন হিসাব)
• Calculate monthly loan payments (EMI), total interest, and total payable amount.
• Visual principal-to-interest breakdown with amortization progress bar.
• Quick preset chips for 1, 2, 3, and 5-year loans.
3. EXACT AGE & MILESTONE CALCULATOR (বয়স ক্যালকুলেটর)
• Calculate exact age down to years, months, and days.
• Total days, total weeks, and countdown to your next birthday with day of the week.
4. BODY MASS INDEX (BMI) HEALTH CHECKER (বিএমআই সূচক)
• Calculate BMI using metric (cm/kg) or imperial (feet/inches/lbs) units.
• Visual health status indicator and healthy target weight range calculation.
5. CURRENCY CONVERTER (মুদ্রা রূপান্তর)
• Live exchange rate estimations for BDT, USD, EUR, GBP, SAR, AED, MYR, INR, KWD, QAR, and SGD.
• Built-in offline mode with local rate caching for traveler convenience.
6. UNIT CONVERTER (পরিমাপ রূপান্তর)
• Comprehensive conversion for Length, Weight, Temperature, Area, and Volume.
• Instant two-way conversions with quick swap affordance.
7. PERCENTAGE & DISCOUNT CALCULATOR (শতকরা ও ভ্যাট হিসাব)
• Calculate discounts, original price, savings, and proportion percentages.
• Dedicated quick buttons for Bangladesh VAT standards (5%, 7.5%, 15%).
8. DATE & WORKING DAYS CALCULATOR (তারিখ ও দিন হিসাব)
• Days between two dates with working day calculations (excluding Friday & Saturday).
• Add or subtract days, weeks, and months from any target date.
9. QR CODE SCANNER (কিউআর কোড স্ক্যানার)
• Fast camera scanner with flash support and gallery image picker.
• Displays raw decoded text before opening external links for your security.
10. QR CODE GENERATOR (কিউআর কোড তৈরি)
• 100% offline generation for Text, URLs, Phone Numbers, Wi-Fi networks, and bKash payment notes.
• Save directly to gallery or share instantly.
11. FLASHLIGHT & STROBE (টর্চলাইট)
• Simple camera LED torchlight with Strobe frequency slider (1-10 Hz) and SOS distress mode.
• Screen flashlight fallback for devices without camera flash.
12. IMAGE COMPRESSOR & RESIZER (ছবি রিসাইজার)
• Zero-permission Android Photo Picker for maximum privacy.
• Ready-made presets for Bangladesh job applications (300x300 px, <100KB) and signatures (300x80 px, <60KB).
• Custom dimension and file size targets with side-by-side quality preview.
13. OPTIONAL USER-OWNED GEMINI AI (ঐচ্ছিক এআই ব্যাখ্যা)
• Users can optionally connect their personal Google Gemini API key to receive intelligent, qualitative explanations of loan terms, financial plans, or health metrics.
• API keys are protected using hardware-backed Android KeyStore encryption and never leave your device.
• Core calculators remain 100% offline and never require an API key.
Download BD Tools & Calculator today — the only utility toolkit you need for everyday life in Bangladesh!
Say goodbye to cluttering your phone with dozens of separate apps. Whether you need to calculate land area in traditional Bangladeshi units (Shatak, Katha, Bigha), calculate your loan installment (EMI), verify your exact age, scan and generate QR codes, or resize photos for government job applications, BD Tools & Calculator provides fast, accurate, and reliable tools right in your pocket.
Designed with modern Material 3 design, complete Bengali and English language support, and a zero-login architecture, the app launches instantly and respects your privacy.
KEY FEATURES & UTILITIES
1. BANGLADESH LAND AREA CONVERTER (জমির পরিমাপ ও রূপান্তর)
• Convert seamlessly between Shotangsho/Shatak/Decimal, Katha, Bigha, Acre, Square Feet, Square Meters, and Hectares.
• Includes regional Kani and Gonda reference units.
• Formula breakdown ensures complete transparency for property buyers, sellers, and surveyors.
2. LOAN & EMI INSTALLMENT CALCULATOR (কিস্তি ও লোন হিসাব)
• Calculate monthly loan payments (EMI), total interest, and total payable amount.
• Visual principal-to-interest breakdown with amortization progress bar.
• Quick preset chips for 1, 2, 3, and 5-year loans.
3. EXACT AGE & MILESTONE CALCULATOR (বয়স ক্যালকুলেটর)
• Calculate exact age down to years, months, and days.
• Total days, total weeks, and countdown to your next birthday with day of the week.
4. BODY MASS INDEX (BMI) HEALTH CHECKER (বিএমআই সূচক)
• Calculate BMI using metric (cm/kg) or imperial (feet/inches/lbs) units.
• Visual health status indicator and healthy target weight range calculation.
5. CURRENCY CONVERTER (মুদ্রা রূপান্তর)
• Live exchange rate estimations for BDT, USD, EUR, GBP, SAR, AED, MYR, INR, KWD, QAR, and SGD.
• Built-in offline mode with local rate caching for traveler convenience.
6. UNIT CONVERTER (পরিমাপ রূপান্তর)
• Comprehensive conversion for Length, Weight, Temperature, Area, and Volume.
• Instant two-way conversions with quick swap affordance.
7. PERCENTAGE & DISCOUNT CALCULATOR (শতকরা ও ভ্যাট হিসাব)
• Calculate discounts, original price, savings, and proportion percentages.
• Dedicated quick buttons for Bangladesh VAT standards (5%, 7.5%, 15%).
8. DATE & WORKING DAYS CALCULATOR (তারিখ ও দিন হিসাব)
• Days between two dates with working day calculations (excluding Friday & Saturday).
• Add or subtract days, weeks, and months from any target date.
9. QR CODE SCANNER (কিউআর কোড স্ক্যানার)
• Fast camera scanner with flash support and gallery image picker.
• Displays raw decoded text before opening external links for your security.
10. QR CODE GENERATOR (কিউআর কোড তৈরি)
• 100% offline generation for Text, URLs, Phone Numbers, Wi-Fi networks, and bKash payment notes.
• Save directly to gallery or share instantly.
11. FLASHLIGHT & STROBE (টর্চলাইট)
• Simple camera LED torchlight with Strobe frequency slider (1-10 Hz) and SOS distress mode.
• Screen flashlight fallback for devices without camera flash.
12. IMAGE COMPRESSOR & RESIZER (ছবি রিসাইজার)
• Zero-permission Android Photo Picker for maximum privacy.
• Ready-made presets for Bangladesh job applications (300x300 px, <100KB) and signatures (300x80 px, <60KB).
• Custom dimension and file size targets with side-by-side quality preview.
13. OPTIONAL USER-OWNED GEMINI AI (ঐচ্ছিক এআই ব্যাখ্যা)
• Users can optionally connect their personal Google Gemini API key to receive intelligent, qualitative explanations of loan terms, financial plans, or health metrics.
• API keys are protected using hardware-backed Android KeyStore encryption and never leave your device.
• Core calculators remain 100% offline and never require an API key.
Download BD Tools & Calculator today — the only utility toolkit you need for everyday life in Bangladesh!
Everyday calculators, land converter, QR tools, and daily utilities for BD.
Updated on
Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
What’s new
Users seeking these utilities have immediate, task-focused problems:
Property Buyers & Landowners: Need to calculate land shares across Shatak, Katha, and Bigha accurately without being misled.
Borrowers & Business Owners: Want to calculate their monthly loan installment without complex banking jargon.
Daily Mobile Users: Need quick QR code scanning, flashlight, or age verification without downloading multiple ad-heavy apps.
Property Buyers & Landowners: Need to calculate land shares across Shatak, Katha, and Bigha accurately without being misled.
Borrowers & Business Owners: Want to calculate their monthly loan installment without complex banking jargon.
Daily Mobile Users: Need quick QR code scanning, flashlight, or age verification without downloading multiple ad-heavy apps.
Everyone
Learn moreApp support
phone
Phone number
+8801819062270
About the developer
ViveScript Solutions LLC
amir@vivescriptsolutions.com
30 N Gould St
Sheridan, WY 82801
United States
+880 1819-062270
