Blog
Product updates, engineering insights, and announcements.
How Image Compression Works
Your photos are bigger than they need to be. Here is how image compression works and how to shrink files without ruining them.
Private Dictation on a Mac
Most dictation apps send your voice to a remote server. Here is how on-device transcription works and why it matters.
Why Two Speed Tests Disagree
Run two speed tests back to back and you get two different numbers. Neither is lying. Here is what each one actually measures, why parallel connections read higher, and which number answers which question.
The Computer Inside Your Battery
Your battery tracks its own health. Here is what the gauge knows and how macOS reads it.
Weather Without Your Location
Forecasts run on a grid several miles wide, so a weather app never needs your exact spot.
How to Keep Your Mac Awake
Your Mac is built to sleep. Here is how that works and how to keep it awake the right way.
Why We Build Privacy-First Software
Our rule is simple. If an app does not need your data to do its job then we do not collect it. You can check that yourself.
Why Your Screen Brightness Matters
Most people never adjust their screen brightness. Here is what the research says about eye strain and sleep.