Why Your Diff Tool Shouldn't See Your Code

Here's something most developers don't think about: every time you paste code into an online diff tool, that content hits a server somewhere. Config files. API keys. Internal service names. Database connection strings. Infrastructure YAML. It all gets sent to a third party, logged, and potentially retained — and you agreed to it somewhere in a terms of service you didn't read. For most diffs that's fine. For the ones that matter, it's not. The Problem With Server-Side Diff Tools The popular onli