Learn how to find duplicate files on Mac with Finder, Photos, Terminal, and Sensei, then safely remove copies without losing originals or backups.

Mac does not have Windows Task Manager, but Activity Monitor does the same job. Learn how to open it, read CPU and memory usage, and quit stuck apps safely.

Learn how to check Mac storage from System Settings, Finder, Disk Utility, Terminal, and Sensei so you can see what is filling your drive and clean next.

Learn how to clean up your Mac and make it faster with proven methods. From clearing caches to removing hidden junk files, here are the manual steps and smarter tools that actually work.

Our Black Friday 2025 sale is live! Get Sensei or Backdrop at 50% off in the best deal of the year for all of our Mac apps.

Want to use a video as your Mac wallpaper? Learn why the built-in options are limited and how to easily set stunning 4K video wallpapers using Backdrop without draining your battery.

New to Mac? Learn the essential keyboard shortcuts for copy and paste, how to use the Universal Clipboard across devices, and tips to keep your workflow smooth.

Is your browser redirecting to MyFlixer or showing aggressive pop-ups? Your Mac might be infected with adware. Here is the complete guide to removing it safely and permanently.

Learn every way to screen record on Mac with microphone or system audio. Includes QuickTime, Screenshot toolbar, audio routing, and performance optimization tips.

Master every Mac screenshot method with keyboard shortcuts, the Screenshot toolbar, and pro tips for capturing exactly what you need—from full screens to specific windows.

App frozen on your Mac? Learn 5 reliable ways to force quit on Mac—from keyboard shortcuts to Activity Monitor and Terminal commands.

Master Metal shaders in SwiftUI to create stunning custom visual effects. Learn shader fundamentals, build distortion effects, color filters, and performance-optimized GPU-accelerated visuals.

Learn how to build a custom video player in SwiftUI using AVKit. This comprehensive guide covers video playback, custom controls, picture-in-picture, and performance optimization for macOS and iOS.

Improve battery life on MacBook with this comprehensive optimization guide. Learn which settings drain battery, how to monitor power usage, and expert tips for all‑day runtime.

Mac desktop customization made easy: 10 essential ways to personalize your workspace. From dynamic wallpapers to menu bar tweaks, build a setup that matches your style and boosts productivity.