Privacy Policy
Your privacy and data security are our top priorities. Learn how we protect your information when using BD Bill Calculator.
Last updated: September 19, 2025
Introduction
BD Bill Calculator ("we," "our," or "us") is committed to protecting your privacy and ensuring transparency about how we handle your information. This Privacy Policy explains our practices regarding the collection, use, and protection of your personal information when you use our free Bangladesh electricity bill calculator service available at bdbillcalculator.netlify.app (the "Service").
By using our Service, you agree to the collection and use of information in accordance with this Privacy Policy. This policy applies to all visitors, users, and others who access or use our Service.
Information We Collect
Information You Provide
When you use our electricity bill calculator, we may collect the following information that you voluntarily provide:
- Appliance names and power consumption details you enter into the calculator
- Usage patterns (hours per day, days per month) for your appliances
- Electricity unit rates you specify for calculations
- Contact information if you reach out to us through our contact form
- Feedback or suggestions you provide about our service
Important: All calculator data is stored locally in your browser and is never transmitted to our servers. We cannot see your appliance list, consumption data, or calculation results.
Automatically Collected Information
When you visit our website, we automatically collect certain information:
- Browser type and version
- Operating system
- IP address (anonymized)
- Pages visited and time spent on our website
- Referring website information
- Device type and screen resolution
- General geographic location (country/region level only)
Cookies and Local Storage
We use the following types of data storage:
- Local Storage: Saves your calculator data, dark mode preference, and appliance list on your device
- Session Storage: Temporarily stores data during your current browsing session
- Essential Cookies: Required for basic website functionality
- Advertising Cookies: Used by Google AdSense to display relevant advertisements
How We Use Your Information
We use the collected information for the following purposes:
Service Provision
- • Provide electricity bill calculation functionality
- • Save your preferences and calculator data locally
- • Ensure website functionality and user experience
Communication
- • Respond to your inquiries and support requests
- • Send updates about calculator features (with consent)
- • Provide customer support when needed
Analytics & Improvement
- • Analyze website usage patterns (anonymized data)
- • Improve our calculator functionality and user interface
- • Identify and fix technical issues
Legal & Security
- • Comply with legal obligations
- • Protect against fraud and abuse
- • Ensure website security and stability
Third-Party Services
Our website uses the following third-party services:
Google AdSense
We use Google AdSense to display advertisements that help support our free service.
- • Data collected: Browsing behavior, interests, demographics
- • Purpose: Display relevant advertisements
- • Privacy policy: Google Privacy Policy
- • Opt-out: Google Ad Settings
Netlify (Hosting)
Our website is hosted on Netlify, which may collect basic server logs.
- • Data collected: IP addresses, access logs
- • Purpose: Website hosting and security
- • Privacy policy: Netlify Privacy Policy
Google Fonts
We use Google Fonts to enhance the visual appearance of our website.
- • Data collected: IP address (when fonts are loaded)
- • Purpose: Font delivery and website styling
- • Privacy policy: Google Privacy Policy
Data Sharing and Disclosure
We do not sell, trade, or rent your personal information to third parties. We may share your information only in the following limited circumstances:
- Legal Requirements: When required by law, court order, or governmental authority
- Safety and Security: To protect our rights, property, or safety, or that of our users
- Service Providers: With trusted third-party service providers who assist in operating our website (under strict confidentiality agreements)
- Business Transfers: In the event of a merger, acquisition, or sale of business assets
Remember: Your calculator data (appliances, usage patterns, calculations) is stored only on your device and is never shared with anyone.
Data Security
We implement appropriate security measures to protect your information:
Technical Safeguards
- • HTTPS encryption for all data transmission
- • Secure hosting infrastructure
- • Regular security updates and monitoring
- • Client-side data storage (no server transmission)
Administrative Safeguards
- • Limited access to personal information
- • Employee training on privacy practices
- • Regular privacy policy reviews
- • Incident response procedures
While we strive to protect your information, no method of transmission over the internet is 100% secure. We continuously work to improve our security measures.
Your Privacy Rights
You have the following rights regarding your personal information:
Access and Portability
Request access to your personal information and receive a copy in a portable format.
Correction
Request correction of inaccurate or incomplete personal information.
Deletion
Request deletion of your personal information (subject to legal obligations).
Objection and Restriction
Object to certain processing activities or request restriction of processing.
To exercise these rights, please contact us using the information provided in the "Contact Us" section below.
Children's Privacy
Our Service is intended for general audiences and is not directed to children under the age of 13. We do not knowingly collect personal information from children under 13. If you are a parent or guardian and believe your child has provided us with personal information, please contact us immediately. If we discover that we have collected personal information from a child under 13 without parental consent, we will take steps to delete that information promptly.
International Users
While our service is primarily designed for users in Bangladesh, we welcome users from other countries. Please note:
- Your information may be transferred to and processed in countries other than your own
- We comply with applicable data protection laws, including GDPR for EU users
- We implement appropriate safeguards for international data transfers
- EU users have additional rights under GDPR, which we fully respect
Changes to This Privacy Policy
We may update this Privacy Policy from time to time to reflect changes in our practices, technology, legal requirements, or other factors. When we make changes:
- We will update the "Last updated" date at the top of this policy
- For significant changes, we will provide prominent notice on our website
- We may notify users via email for material changes (if email addresses are available)
- Your continued use of the Service after changes constitutes acceptance of the updated policy
We encourage you to review this Privacy Policy periodically to stay informed about how we protect your information.
Contact Us
If you have any questions, concerns, or requests regarding this Privacy Policy or our privacy practices, please contact us:
We aim to respond to all privacy-related inquiries within 72 hours.