Privacy Policy

Privacy Policy

Last updated: 7/25/2025

Overview

RatioGenie is a comprehensive aspect ratio calculator and image analysis tool for content creators, designers, and developers. Our platform includes an aspect ratio calculator, image upload and analysis, batch image processing, and export tools. This privacy policy explains how we handle your information when you use our services.

100% Client-Side ProcessingNo Server UploadsPrivacy-First
Information We Collect

Analytics Data

We use Google Analytics to understand how visitors interact with our tools:

  • • Page views and session duration across all tools
  • • Popular presets usage (10 built-in aspect ratios)
  • • Feature usage patterns across all tools
  • • User interactions (copy, preset selection, slider usage)
  • • Device type, browser, and approximate location
No Personal Data
Local Browser Storage

The application uses your browser's local storage and URL parameters to:

Session Data
Current aspect ratio values
Input mode preferences
Tool Settings
Batch processing cache
URL sharing configurations

Privacy: This information remains on your device and in your browser's local storage. It is not transmitted to our servers unless you share URLs with others.

File System Access

The application accesses your device's file system and clipboard for the following purposes:

Image Upload

Access local image files for analysis

Clipboard

Copy dimensions and shareable links

Batch Processing

Upload multiple images simultaneously

Download

Save processed images to Downloads

All file access happens only when you explicitly select files, click download buttons, or use copy features. Your browser will request permission for these actions.

Cookies and Tracking

Analytics Cookies

Google Analytics

Understand site usage and improve features

Core Web Vitals

Monitor performance metrics (LCP, CLS, INP, FCP, TTFB)

Privacy Note: These do not track personal calculations or sensitive information

Data Security
Client-Side Processing

All calculations and image analysis performed entirely in your browser using JavaScript and Web Workers.

Memory Management

Advanced techniques including canvas pooling and automatic cleanup prevent memory leaks.

Image Privacy

Images processed locally using HTML5 Canvas API and never leave your device.

Analytics Security

Only aspect ratio parameters in shareable URLs, no personal information or image data.

Performance and Processing
Web Workers

Background processing for intensive tasks without UI freezing

Memory Optimization

Canvas pooling and memory pressure detection for efficient usage

Progressive Loading

Large images processed in chunks with progress indicators

Performance Monitoring

Core Web Vitals metrics collected for site optimization

Advertising and Monetization

To keep RatioGenie free for all users, we may display advertisements. When ads are implemented:

Ad Loading

Lazy-loaded to minimize performance impact

Performance Throttling

Auto-pause if Core Web Vitals affected

Third-Party Content

Ads from partner networks

Opt-Out Options

Ad blockers and privacy settings supported

We monitor ad performance to ensure optimal user experience. Ads are throttled if they impact site metrics.

Third-Party Services

We use the following third-party services:

Google Analytics

Website analytics and performance monitoring

Web Vitals Library

Core Web Vitals performance metrics

Ad Networks

Various advertising partners (when implemented)

Privacy Policies:

Google Privacy Policy

You can opt out using browser extensions, ad blockers, or privacy-focused browsers.

Data Retention

Local Storage: Your preset selections, input preferences, and tool settings are stored in your browser until you clear them or uninstall your browser.

Analytics Data: Google Analytics retains data according to their retention policies (typically 26 months for user and event data).

Performance Metrics: Aggregated performance data is retained for analysis but does not identify individual users.

Ad Data: When implemented, ad networks will retain data according to their individual privacy policies.

Your Choices

You can:

  • Use the simple calculator with manual input without selecting presets
  • Use the golden ratio and comparison tools without analytics tracking
  • Disable cookies and analytics through your browser settings
  • Use the application in private/incognito browsing mode
  • Disable JavaScript to prevent all client-side processing (though this will disable the app)
  • Request data deletion by contacting us (for analytics data only)
  • Use browser "Do Not Track" settings to limit tracking
Changes to This Policy

We may update this privacy policy to reflect changes in our practices or for legal requirements. Changes will be reflected in the “Last updated” date at the top of this policy.

Contact

If you have questions about this privacy policy or our data practices, please contact us through our website or project repository.