What Are Cookies?
Cookies are small text files that are placed on your computer or mobile device when you visit a website. They are widely used to make websites work more efficiently and provide information to the website owners.
Small Text Files
Cookies are tiny files stored on your device
Remember Preferences
They help remember your settings and choices
Improve Experience
They make websites faster and more personalized
Cookies can be "persistent" or "session" cookies. Persistent cookies remain on your device when you go offline, while session cookies are deleted as soon as you close your web browser.
How We Use Cookies
Basic Calculator Online uses cookies and similar technologies to:
1
Remember Your Preferences
We save your theme preference (light/dark mode) so you don't have to set it each time you visit.
2
Store Calculation History
Your recent calculations are stored locally so you can access them across sessions.
3
Analyze Website Traffic
We use analytics to understand how visitors use our website and improve our service.
4
Ensure Security
Some cookies help us detect and prevent security threats.
Types of Cookies
We categorize cookies into the following types based on their purpose:
These cookies are necessary for the website to function properly. They enable basic functions like page navigation and access to secure areas.
- Cannot be disabled
- Do not store personal information
- Essential for website operation
These cookies enable personalized features and remember your preferences, such as theme settings and language choices.
- Remember your preferences
- Improve user experience
- Can be disabled
These cookies help us understand how visitors interact with our website by collecting and reporting information anonymously.
- Track page views and visits
- Data is anonymized
- Help improve our service
Cookies We Use
Below is a detailed list of cookies used on Basic Calculator Online:
| Cookie Name |
Type |
Purpose |
Duration |
bco-theme |
Functional |
Stores your theme preference (light/dark mode) |
Persistent |
bco-history |
Functional |
Stores your calculation history locally |
Persistent |
_ga |
Analytics |
Google Analytics - Distinguishes unique users |
2 years |
_ga_* |
Analytics |
Google Analytics - Maintains session state |
2 years |
_gid |
Analytics |
Google Analytics - Distinguishes users |
24 hours |
Local Storage
In addition to cookies, we use browser local storage to save certain data on your device. Local storage is similar to cookies but can store larger amounts of data.
What We Store Locally
Your calculation history and theme preferences are stored using local storage. This data never leaves your device and is not transmitted to our servers.
Local Storage Items:
bco-theme
Your light/dark mode preference
bco-history
Your calculation history (up to 20 items)
You can clear local storage data at any time through your browser settings or by using the "Clear History" button in the calculator.
Third-Party Cookies
Some cookies on our website are set by third-party services. These services help us analyze traffic and improve our website.
Google Analytics
We use Google Analytics to understand how visitors use our website. This helps us improve our service and user experience.
Google Privacy Policy
Bootstrap CDN
We use Bootstrap CDN to deliver CSS and JavaScript files. This service may use cookies for performance optimization.
jsDelivr Privacy Policy
Google Fonts
We use Google Fonts to display typography on our website. Google may collect usage data.
Google Fonts Privacy
Managing Cookies
You have several options for managing cookies on our website:
Browser Settings
Most browsers allow you to control cookies through their settings. You can block or delete cookies at any time.
Clear Calculator History
Use the "Clear" button in the calculator history panel to delete your stored calculations.
Private Browsing
Use your browser's private or incognito mode to prevent cookies from being stored.
Browser Extensions
Install browser extensions that give you more control over cookies and tracking.
Browser Settings
Here's how to manage cookies in popular browsers:
Google Chrome
Settings → Privacy and Security → Cookies and other site data
Learn more
Mozilla Firefox
Settings → Privacy & Security → Cookies and Site Data
Learn more
Safari
Preferences → Privacy → Manage Website Data
Learn more
Microsoft Edge
Settings → Cookies and site permissions → Manage and delete cookies
Learn more
Impact of Disabling Cookies
If you choose to disable cookies, please be aware of the following impacts:
Theme Preference
Your light/dark mode preference won't be saved between visits
Calculation History
Your calculation history won't persist after closing the browser
Analytics
We won't be able to collect anonymous usage data to improve our service
Core Functionality Preserved
The main calculator functionality will continue to work normally even if you disable all cookies. Only preference storage and analytics will be affected.
Policy Updates
We may update this Cookie Policy from time to time to reflect changes in our practices or for other operational, legal, or regulatory reasons.
When We Update:
- We will update the "Last Updated" date at the top of this policy
- Significant changes will be communicated through a notice on our website
- We encourage you to review this policy periodically
Your continued use of the Service after any changes indicates your acceptance of the updated Cookie Policy.
Contact Us
If you have any questions about our use of cookies or this Cookie Policy, please contact us: