Built for the Archive.
Secured at the Edge.

Your collection represents years of history. We use enterprise-grade technology to ensure that history is private, portable, and permanent.

Private Media.

Your private scans and covers are for your eyes only. We generate a temporary 'digital key' every time you view them.

Technical Spec
Cloudflare R2 + Signed URLs + AES-256 Encryption

Privacy Proxy.

Protect your device and your identity. Our zero-log proxy masks your IP from third-party APIs like Discogs while ensuring high-speed metadata fetching.

Technical Spec
Zero-Log Worker @ Edge + IP Masking + RSA Encryption

Identity Guard.

Your account credentials never touch our database. Our encrypted auth broker signs your requests at the edge, keeping your keys private and portable.

Technical Spec
OAuth 1.0a + HMAC-SHA1 (Required by Discogs) + Edge-Based Signing
System Architecture: V1.4.0

The Sovereignty Standard.

We don't believe in vendor lock-in. Your data is stored in open, industry-standard formats. Below is a technical overview of how Cratr bridges local performance with global edge protection.

LOCAL VAULT browser based indexedDB storage Global Broker EDGE ASSETS Global Cache Signed R2 URLs PERSONAL SYNC dropbox auth g-drive backup
Explore the Open Core

Ready to Secure Your Vault?

Get peace of mind with encrypted cloud backups and full privacy-first media storage.