Why I Built a Dev Tool That Refuses to Connect to the Internet A developer created CodeFootprint, a Mac app that tracks file changes in project folders without ever connecting to the internet. The tool records every edit with full diffs and deletions with recoverable content, requiring no accounts, cloud sync, or telemetry. It was designed to keep sensitive project files—code, configs, and unpublished work—entirely on the user's machine. Most developer tools in 2026 want your data. They want you to create an account, sync to the cloud, share analytics, and join a team plan. Every new tool is another service that knows what you are working on. I wanted something different. CodeFootprint https://apps.apple.com/app/codefootprint/id6741222848 is a Mac app that tracks file changes in your project folders. It records every edit with full diff, every deletion with recoverable content, and precise timelines for everything. And it does all of this without ever connecting to the internet. I made a deliberate choice: no accounts, no cloud, no telemetry, no data leaving your machine. Not because cloud is bad, but because your project files are some of the most sensitive data you own. Your code, your configs, your unpublished work — a file change tracker sees all of it. A tool that watches everything you change should be trustworthy by design, not by promise. If you work with multiple AI coding tools, CodeFootprint gives you something valuable: a shared context you can export. Instead of manually explaining to each new AI tool what happened in your project, you hand it a trace file and say "here is the history." CodeFootprint is on the Mac App Store https://apps.apple.com/app/codefootprint/id6741222848 . No account needed. No internet required. Your files stay on your machine. More convenience. More protection. More peace of mind.