Privacy Policy
Last updated: February 1, 2026
Introduction
Welcome to COB ("Converter Bulk"). We are committed to protecting your privacy and ensuring the security of your personal information. This Privacy Policy explains how we collect, use, disclose, and safeguard your information when you use our file conversion service.
By using COB, you agree to the collection and use of information in accordance with this policy. If you do not agree with the terms of this privacy policy, please do not access the site.
Information We Collect
Files You Upload
Client-Side Processing: For conversions marked as "Instant (Client-side)", your files are processed entirely within your web browser. These files never leave your device and are not transmitted to our servers. We have no access to these files whatsoever.
Server-Side Processing: For conversions that require cloud processing (such as Word, PowerPoint, and Excel to PDF), your files are temporarily uploaded to our secure servers. These files are:
- Processed immediately upon receipt
- Automatically deleted immediately after conversion completes
- Never shared with third parties
- Never used for any purpose other than the requested conversion
Automatically Collected Information
When you visit COB, we may automatically collect certain information about your device, including:
- Browser type and version
- Operating system
- IP address (anonymized)
- Pages visited and time spent
- Referring website
How We Use Your Information
We use the information we collect to:
- Provide and maintain our file conversion service
- Improve and optimize our website performance
- Analyze usage patterns to enhance user experience
- Detect and prevent technical issues or abuse
- Display relevant advertisements through Google AdSense
Cookies and Tracking Technologies
We use cookies and similar tracking technologies to track activity on our service and hold certain information. Cookies are files with a small amount of data that are sent to your browser from a website and stored on your device.
Types of Cookies We Use
- Essential Cookies: Required for the website to function properly
- Analytics Cookies: Help us understand how visitors interact with our website
- Advertising Cookies: Used by Google AdSense to display relevant advertisements
You can instruct your browser to refuse all cookies or to indicate when a cookie is being sent. However, if you do not accept cookies, some portions of our service may not function properly.
Third-Party Services
Google AdSense
We use Google AdSense to display advertisements on our website. Google AdSense may use cookies and web beacons to collect information about your visits to this and other websites in order to provide relevant advertisements. You can opt out of personalized advertising by visitingGoogle's Ads Settings.
Vercel Analytics
We use Vercel Speed Insights to monitor and analyze the performance of our website. This service collects anonymized data about page load times and user interactions to help us improve our service.
Data Security
We implement appropriate technical and organizational security measures to protect your information:
- All data transmissions are encrypted using SSL/TLS
- Server-processed files are automatically deleted after conversion
- We do not store any uploaded files permanently
- Our servers are hosted on secure, reputable cloud platforms
While we strive to use commercially acceptable means to protect your information, no method of transmission over the Internet or electronic storage is 100% secure.
Your Rights
Depending on your location, you may have the following rights regarding your personal data:
- Right to Access: Request copies of your personal data
- Right to Rectification: Request correction of inaccurate data
- Right to Erasure: Request deletion of your personal data
- Right to Restrict Processing: Request limitation of data processing
- Right to Data Portability: Request transfer of your data
- Right to Object: Object to processing of your personal data
Children's Privacy
Our service is not intended for use by children under the age of 13. We do not knowingly collect personal information from children under 13. If we discover that a child under 13 has provided us with personal information, we will delete it immediately.
Changes to This Privacy Policy
We may update our Privacy Policy from time to time. We will notify you of any changes by posting the new Privacy Policy on this page and updating the "Last updated" date. You are advised to review this Privacy Policy periodically for any changes.
Contact Us
If you have any questions about this Privacy Policy, please contact us:
- By visiting our Contact Page