A privacy-first developer studio to detect and mask sensitive secrets, API keys, credentials, and private data in source code with local on-demand restoration.
✓ Built a multi-language AST-based secret masking studio with multi-theme switching, zero-server privacy, and instant local restoration.
01What problem does it solve?
Developers frequently need to share code snippets in public channels, AI prompts, or bug reports without inadvertently leaking private API keys, database credentials, emails, or sensitive tokens.
02Constraints & Tradeoffs
Must perform 100% client-side sanitization with zero server telemetry for absolute privacy, support multiple languages (TypeScript, JavaScript, Python, JSON), and enable exact one-click local secret restoration.
03Architecture & Data Flow
Source Code Input ─► Lexical & Regex AST Scanner ─► Secret Masking Engine ─► Findings Registry & Local Vault ─► Sanitized Output
04Screenshots
05What was the outcome?
Delivered an instant code sanitizer web application supporting 4+ languages, multi-theme UI (Dark, Light, Hacker Green), and reversible local masking.