Cookie Policy

Introduction

This Cookie Policy explains how mp4to3 ("we," "our," or "us") uses cookies and similar technologies on our website mp4to3.com. By using our website, you consent to the use of cookies as described in this policy.

What Are Cookies

Cookies are small text files that are stored on your device (computer, tablet, or mobile phone) when you visit a website. They help websites remember your preferences and improve your browsing experience.

How We Use Cookies

We use cookies to:

• Keep you signed in to your account
• Remember your preferences such as audio conversion settings
• Understand how you use our service to improve it
• Ensure security and prevent fraud
• Provide relevant content based on your interests

Types of Cookies We Use

Essential Cookies

These cookies are necessary for the website to function properly. They enable core functionality such as:

• Authentication: Keeping you logged in during your session
• Security: Protecting against cross-site request forgery (CSRF)
• Session Management: Maintaining your session state

You cannot opt out of essential cookies as they are required for the website to work.

Functional Cookies

These cookies enhance your experience by remembering your choices:

• Audio Settings: Remembering your preferred bitrate, sample rate, and format
• Language Preference: Remembering your selected language (English/Chinese)
• Theme Preference: Remembering your light/dark mode preference
• UI Settings: Storing your interface preferences

Analytics Cookies

We use analytics cookies to understand how visitors interact with our website:

• Page Views: Which pages are visited most frequently
• User Journey: How users navigate through the site
• Performance: Page load times and errors encountered
• Feature Usage: Which conversion options are most popular

We may use the following analytics providers:

• Google Analytics
• Umami Analytics
• Other privacy-focused analytics tools

Marketing Cookies

With your consent, we may use marketing cookies to:

• Show relevant advertisements
• Measure the effectiveness of our marketing campaigns
• Understand our audience demographics

Local Storage

In addition to cookies, we use browser local storage to:

• Cache FFmpeg WASM: Store the FFmpeg WebAssembly libraries for faster conversion processing
• Save Conversion History: Store your recent conversions locally (if enabled)
• Remember Settings: Keep your preferences between sessions

This data stays on your device and is not transmitted to our servers.

Browser-Based Processing Benefits

Since mp4to3 is a browser-based service:

• Your video files are never uploaded to our servers
• All conversions happen locally in your browser
• Local storage is only used for performance and convenience
• No sensitive video or audio data is stored in cookies or local storage

Third-Party Cookies

Some cookies are placed by third-party services that appear on our pages:

Note: We do not use third-party payment processors or external conversion services, as all processing happens in your browser.

Managing Cookies

You can control and manage cookies in several ways:

Browser Settings

Most browsers allow you to:

• View what cookies are stored
• Delete individual or all cookies
• Block third-party cookies
• Block all cookies from certain websites
• Block all cookies entirely

Note: Blocking essential cookies may prevent you from using certain features of our website.

Common Browser Instructions

• Chrome: Settings → Privacy and security → Cookies
• Firefox: Settings → Privacy & Security → Cookies
• Safari: Preferences → Privacy → Cookies
• Edge: Settings → Privacy, search, and services → Cookies

Opt-Out Links

• Google Analytics Opt-out

Cookie Duration

Updates to This Policy

We may update this Cookie Policy from time to time to reflect changes in our practices or for legal, operational, or regulatory reasons. We will notify you of any material changes by posting the updated policy on this page.

Contact Us

If you have any questions about our use of cookies or this Cookie Policy, please contact us or email us at hello@mp4to3.com.

Last Updated: January 15, 2025