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Encrypted Link Storage

Private URL Shortenerfor destinations worth protecting

SafeSlug encrypts destination URLs and slugs with AES-256-GCM before storage, keeps redirect analytics lean, and lets anyone shorten without first creating an account.

End-to-End Cryptographic FlowZero-Knowledge Storage
1. Plaintext In

https://corp/doc

Raw URL entered

2. AES-256-GCM

SHA-256 HKDF

Client & server salt

3. At Rest

8f4b...9a12

URL & slug encrypted

4. Redirect

<10ms Edge

0 raw IPs stored

Custom
Length:7 chars

Security Architecture

Destinations and slugs stay encrypted at rest.

SafeSlug is built for users and organizations who need short links without turning their link database into a readable map of every asset they share.

Encrypted before storage

Destination URLs and slugs are encrypted with AES-256-GCM before they are saved, so raw destinations and slugs are not stored as plain text.

Decrypted only for redirect

The server decrypts the destination and slug only when a short link is requested and needs to redirect the visitor.

Analytics without raw IP retention

SafeSlug stores aggregated redirect signals such as visits, country, referrer, and device class without keeping raw IP addresses.

No-referrer redirects

Redirect responses include a no-referrer policy so destination sites do not receive your short-link domain as the source.

What makes a URL shortener truly private?

Standard shorteners store links and slugs in plain text. That means any internal breach, misconfigured backup, or data export exposes every URL, document path, and token you have ever shortened.

SafeSlug encrypts both destination URLs and custom slugs before writing to the database. Even if storage were dumped, links remain completely unreadable without the server-side environment keys.

Redirect analytics follow the same strict discipline: visit counts, high-level country codes, and device types are aggregated without ever saving raw visitor IP addresses.

Create an encrypted short link now.

Generate random or memorable passphrase slugs without signing in, or create an account to unlock custom slugs and analytics.

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