Browser Data Vault

8.1

devtools speculative added: Saturday October 2026 00:56

A browser extension that securely stores and manages sensitive data like API keys, JWT tokens, and configuration files, ensuring client-side processing and preventing data uploads to external services.

80h

mvp estimate

8.1

viability grade

views

technology stack

JavaScript Easy

inspired by

12 free browser-only dev tools (JSON, YAML, JWT, regex, hashes) that don't upload your data