Show HN: TimeScroll – an open-source, local replacement for Rewind on Mac

Hi HN, I've been building TimeScroll since September 2025. It's a Mac app that records your screen in the background, so you can scroll back through your day or search for anything you've seen. It is local and open-source. The key features are introduced on the site, so I'll try to reduce the repetition in this post.My motivation for building was (1) Rewind shutting down and the lack of alternatives that are as polished and direct; (2) Most apps like this (including Rewind really) are super CPU and storage intensive, to the point of having a noticeable impact on your battery life.I identified a few issues with the 'standard' way of capturing and made it a point to fix them in this app.1. The part I spent the most time on is how the text gets captured. Basically all the apps run OCR on every screenshot, which means the heavy OCR step will always take a certain amount of CPU. I noticed that the text is already inside the apps, so I took the completely different approach of reading it through the macOS Accessibility API instead (which I call Direct mode). It has big advantages - gets the exact text with no misread characters, along with the position of each line, and it's much…