In-depth, practical guides on privacy, images, code, time, and the tools we build.
A practical walkthrough of what image compression actually does, why a 4 MB photo becomes 300 KB, and how to hit the sweet spot between size and quality.
Why "cloud processing" almost always means "uploaded to a server you cannot audit", how to tell, and how to verify a tool is really private with nothing but your browser.
JSON is everywhere but raw JSON is unreadable. Here is what the structure means, how to format it so it makes sense, and the three things that go wrong most often.
Why "3pm my time" is a recurring problem, the two rules that make timezone math simple, and how to stop double-booking international calls.
The difference between an interest rate and the total cost of a loan, why "low APR" can still be expensive, and how to compare offers with one number.
Three encoding concepts that sound technical but are simple once you see what problem each one solves — and why developers reach for them daily.
The difference between a predictable random number and a cryptographically secure one, and why your browser already has the good kind built in.
The psychology of timeboxing, how a countdown timer changes your focus, and the practical ways a simple timer beats a full productivity app.
Why "randomly" splitting a group by hand is often not random, what a fair shuffle requires, and how to run a defensible draw.
A look under the hood at how a tool can do real work with no backend — what the browser is now capable of, and what "no server" really means.