Privacy Policy

Last updated: March 23, 2026

Introduction

mkpl.com ("we", "our", or "us") develops Chrome extensions including UX Replay, Marketplace Monitor, and Universal Dark Mode. This Privacy Policy explains how we collect, use, disclose, and safeguard your information when you use our extensions and website.

Privacy-First Approach: Most of our extensions run entirely in your browser with minimal or no data sent to our servers. Where server communication is required (for features like AI analysis or notifications), we are transparent about what data is transmitted.

Information We Collect

UX Replay

  • Session Data: DOM events, console logs, network requests during recording
  • AI Analysis: Session data sent to OpenAI API for bug report generation (opt-in)
  • Share Links: Session data stored on our servers when you create share links
  • Automatic Masking: Password fields are automatically masked before recording

Marketplace Monitor

  • Account Information: Email and password for user accounts
  • Search Keywords: Keywords you want to monitor
  • Location Preferences: Cities/regions for search
  • Notification Settings: Telegram chat ID (if configured)
  • Listing Data: Marketplace listings matching your search criteria

Universal Dark Mode

  • Local Only: All preferences stored locally in your browser
  • No Server Communication: This extension does not send any data to our servers
  • Site Preferences: Which sites have dark mode enabled
  • Custom Themes: Your color preferences and brightness settings

How We Use Your Information

We use collected information to:

  • Provide the core functionality of each extension
  • Generate AI-powered insights (UX Replay only, when requested)
  • Send notifications about relevant content (Marketplace Monitor only)
  • Improve extension performance and fix bugs
  • Provide customer support
  • Detect and prevent abuse or technical issues

Data Storage and Security

  • Local Storage: Extension settings cached locally when possible
  • Server Storage: Only for features requiring server-side processing
  • Encryption: All server communication uses HTTPS/TLS
  • Password Security: Hashed using industry-standard bcrypt
  • Access Control: Only you can access your data with your credentials

Third-Party Services

Some extensions use third-party services:

  • OpenAI API (UX Replay): For AI bug report generation. Subject to OpenAI's privacy policy.
  • Telegram API (Marketplace Monitor): For sending notifications. Only if you configure it.
  • Public Marketplaces (Marketplace Monitor): We access Facebook, Kijiji, Craigslist on your behalf.
  • No Analytics: We do not use Google Analytics or similar tracking services.

Data Retention

  • Account Data: Retained until you delete your account
  • Session Recordings (UX Replay): 7 days for free tier, 30 days for pro
  • Marketplace Listings: 90 days by default
  • Error Logs: 30 days for debugging
  • Right to Deletion: Request deletion anytime by contacting us

Your Rights

You have the right to:

  • Access: Request a copy of your personal data
  • Correction: Update or correct your information
  • Deletion: Request deletion of your account and data
  • Export: Export your data in JSON format
  • Opt-out: Disable features or uninstall extensions
  • Portability: Transfer your data to another service

Children's Privacy

Our extensions are not intended for users under 13 years of age. We do not knowingly collect personal information from children under 13. If you believe we have collected information from a child, please contact us immediately.

Changes to This Policy

We may update this Privacy Policy from time to time. We will notify you of significant changes by posting the new policy on this page and updating the "Last updated" date. Continued use of our extensions after changes constitutes acceptance of the updated policy.

Contact Us

If you have questions about this Privacy Policy or our data practices, contact us at:

Legal Basis (GDPR)

For users in the EU/EEA, we process your data based on:

  • Consent: When you install and configure our extensions
  • Legitimate Interest: To improve our services and prevent abuse
  • Contract Performance: To provide the services you requested