I'm Karl. I write little desktop apps that do one job each and then get out of the way. Free to use, cheap to keep, no subscriptions.
Makes video files smaller without making them look worse. You pick the quality in plain words, it finds the smallest file that passes. Free does 5 videos a day.Pro $29.99 once
The same trick for photos. JPG, HEIC, PNG and camera RAW, shrunk to a fraction of the size on your own computer. Free does 10 photos a day.Pro $9 once
Hover the seam between two monitors and see the windows on the other screen. Click one and you're there. Free, about 2 MB, Windows 10/11.
A one-page widget that tells you if the New York Stock Exchange is open right now, or when it opens next. I kept checking the clock, so now the page does it for me.
Everything above is made by one person. No ads, no accounts, no telemetry in any of it, and nothing you feed these apps ever leaves your machine. The squishers have free tiers that stay free; Pro is a one-time purchase when you want the limits off. If any of this saved you some time or disk space, a coffee is always appreeciated.