Otter Vault

API key management is a chronic pain point for software teams. Developers routinely generate credentials they never see again, then scatter them across environment files, messaging apps, and scattered notes. Recovery is tedious; tracking where keys are deployed is often impossible; offboarding team members leaves residual access questions unanswered. Otter Vault addresses this problem with a Chrome extension that automatically intercepts API keys at the moment they appear on provider consoles.

The personal vault runs entirely on the user's device. When a key appears, Otter offers to capture it with a single click, encrypting it locally using AES-256-GCM with PBKDF2 key derivation across 600,000 rounds. The passphrase never leaves the device, making recovery by the vendor impossible even if they wanted to provide it. The extension fills keys only on the exact origin they were saved from, rejecting lookalike domains outright. No account creation is required; the entire feature set is free.

What distinguishes Otter from similar offerings is its specificity about security mechanics and its testing rigor. The founder details the exact encryption parameters, the clickjacking protection, and the exact-origin matching rule that prevents phishing. The product is backed by 137 unit tests, seeded fuzzing, cryptographic verification checks, and weekly testing across 12 real provider consoles. The code is public for anyone to audit, removing the need to trust claims.

For teams, Otter offers a second tier called Teams. It introduces a key map that tracks where every shared credential is deployed—which Vercel variable, which GitHub Actions secret, which .env file. When someone leaves the team, Otter re-encrypts all shared keys and generates a checklist of exactly what that person could access and where it lives. Activity logs of all key operations are signed and cannot be tampered with server-side. The trial period is 21 days free for up to 10 developers; the regular price is 29 dollars per month, though an early-bird rate of 20 dollars per month applies through November 13.

The personal vault solves an immediate problem with minimal friction. The team offering adds organizational visibility that most startups lack. For developers who have experienced losing or misplacing credentials, the appeal is straightforward.