Privacy Policy & Security Guarantee
Effective Date: November 2026 • Multi-Page Application (MPA) Architecture
Summary: Privacy by Design
CompressTinyImage is engineered from the ground up to respect your digital privacy. Unlike traditional image converters that upload your sensitive photos, IDs, or documents to remote cloud storage, CompressTinyImage performs all processing directly inside your web browser. Your files never touch our servers, are never recorded in databases, and cannot be viewed by anyone other than you.
1 The Core Principle: Zero Server Uploads
When you use CompressTinyImage—whether you are compressing a personal portrait, resizing an official passport photo, reducing file size to exact KB thresholds, or converting between WebP, PNG, JPG, and AVIF formats—your files are never uploaded to any remote server or third-party cloud infrastructure.
Traditional online image compressors rely on server-side processing queues (e.g., uploading files to AWS S3, Azure Blob, or temporary backend storage). CompressTinyImage eliminates this security vector completely by executing the entire image compression pipeline locally on your device's CPU and GPU via the browser's native JavaScript and HTML5 Canvas engines.
2 Technical Architecture & In-Browser Execution
Here is precisely how data flows when you compress or convert an image on our platform:
- ✓ Local Memory Loading (HTML5 File API): When you select or drag-and-drop an image, your browser creates an in-memory binary object (Blob) directly from your local file system into your device RAM.
- ✓ Off-Thread Decoding & Canvas Rendering: Image decoding, aspect ratio preservation, color quantization, and binary quality search run using HTML5 Canvas and OffscreenCanvas in worker threads on your device.
- ✓ Local Blob Output & ZIP Packaging: Resulting optimized images and multi-file ZIP bundles (generated via JSZip) are assigned temporary client-side
blob:URLs. - ✓ Instant Memory Garbage Collection: When you remove a card, navigate away, or close your browser tab, the allocated Object URLs are revoked and browser garbage collection flushes all memory buffers instantly.
3 How You Can Verify Our Zero-Upload Guarantee
We believe privacy should be verifiable, not merely promised. You can audit our privacy guarantee yourself at any time:
- Open your browser Developer Tools (press F12 or Ctrl+Shift+I / Cmd+Option+I).
- Switch to the Network tab and set the filter to Fetch/XHR.
- Drop a large image into any tool on CompressTinyImage and watch the network logs.
- Notice that zero HTTP requests carrying your image bytes are initiated.
- Optional offline test: Turn off your computer's Wi-Fi or enable Airplane mode after loading the site. The image compression and conversion tools continue to function 100% offline.
4 Information We Do NOT Collect
We deliberately do NOT collect, harvest, monetize, or store:
- Uploaded image files, photos, graphics, or document scans
- EXIF metadata, GPS geotags, camera serial numbers, or timestamps
- Biometric data, facial geometries, or identity signatures
- Original file names, directory paths, or file metadata
- User passwords, account logins, or credit card information
5 Cookies and Tracking Technologies
CompressTinyImage does NOT use third-party advertising tracking cookies, cross-site trackers, or marketing pixels.
We may utilize standard browser caching, Service Workers, or LocalStorage solely to enable fast offline Progressive Web App (PWA) operation and remember user interface preferences (such as your chosen compression codec or target size preset). No personal identity is attached to these local tokens.
6 GDPR, CCPA/CPRA & International Compliance
Because CompressTinyImage does not store or process personal data on remote servers, we fulfill data protection regulations worldwide by architectural design:
7 Third-Party Hosting & Content Delivery
Our static website assets (HTML, CSS, JavaScript, icons) are hosted and delivered via globally distributed edge networks (such as Cloudflare or Vercel). These providers may log standard web server access logs (such as IP address, user-agent, and HTTP status codes) strictly for security and DDoS mitigation. These edge logs never contain your image data because your files are never transmitted over HTTP.
8 Children's Privacy Protection (COPPA)
CompressTinyImage is a general-purpose digital utility safe for all age groups. We do not knowingly solicit or collect personally identifiable information from children under the age of 13 in compliance with the Children's Online Privacy Protection Act (COPPA).
9 Contact Our Privacy Team
If you have any questions or inquiries regarding this Privacy Policy or our client-side security architecture, please contact us:
CompressTinyImage Privacy & Security Team
Email: privacy@compresstinyimage.com
Website: https://compresstinyimage.com
Contact Form: compresstinyimage.com/contact
Frequently Asked Questions about our Privacy Policy
Clear answers about in-browser data processing and verified security.