A little update: I added privacy-focused optional shorter URLs to SDocs.

You can read more about the implementation here: https://sdocs.dev/#sec=short-links

Briefly:

  https://sdocs.dev/s/{short id}#k={encryption key}
                      └────┬───┘   └───────┬──────┘
                           │                │
                      sent to           never leaves
                       server           your browser

You can test this by opening your browser's developer tools, switch to the Network tab, click Generate next to the "Short URL" heading, and inspecting the request body. You will see a base64-encoded blob of random bytes, not your document.