Author
ZeroApps Team
Makers of privacy-first macOS utilities. We write guides on PDFs, images, privacy, productivity, and macOS.
Mac Utility Bundle vs Single App: How to Choose
Compare a focused Mac utility with a bundle by task coverage, license scope, updates, privacy, device limits, and refund terms before you buy.
7 min read
How to Find Apps Using CPU on Mac
Use Activity Monitor to identify CPU-heavy apps, interpret System and User usage, and decide what to close safely before you install another Mac health tool.
7 min read
Responsible Video Downloading on Mac: What VideoFetchZero Supports
VideoFetchZero saves videos you are permitted to download — public content, files you own, and self-hosted media. Here is exactly what that means, what the app does not do, and how to tell whether a download is appropriate.
7 min read
How to Auto-Sort Your Downloads Folder by File Type on Mac
Your Mac Downloads folder is probably a mess. Here is how to automatically sort new downloads into subfolders by file type — with DownZero or macOS Folder Actions.
6 min read
How to Check Battery Health on a MacBook
Your MacBook battery degrades over time. Here is how to check its current health, cycle count, and condition — and what the numbers actually mean.
6 min read
How to Compress a PDF for Email on Mac
Email attachments have size limits, and large PDFs often hit them. Here is how to reduce a PDF file size on Mac quickly — using built-in tools and PDFZero.
6 min read
How Much Storage Are You Wasting on Duplicate Files?
Most Mac users have gigabytes of duplicate files they don't know about. Here is how to find out exactly how much space yours are wasting — and how to reclaim it safely.
6 min read
How to Find and Delete Duplicate Files on Mac
Duplicate files quietly consume gigabytes of Mac storage. Here is how to find them accurately and remove them safely — without deleting files you still need.
7 min read
What GPS Coordinates Are Stored in Your iPhone Photos
Your iPhone records your exact GPS location in every photo. Here is what that metadata contains, who can access it, and how to remove it before sharing.
7 min read
How to Convert HEIC to JPEG on Mac
HEIC photos from your iPhone don't always open or share well. Here is how to convert HEIC to JPEG on Mac — in bulk and without uploading your photos anywhere.
6 min read
How to Batch Resize Images on Mac
Need to resize dozens of images at once? Here are the fastest ways to batch resize images on a Mac — using the built-in Preview, Automator, or ImageZero.
6 min read
How to Password-Protect a ZIP File on Mac
Need to send a file securely? Creating a password-protected ZIP on Mac is straightforward — here is how to do it with and without Terminal.
5 min read
How to Extract RAR Files on Mac
macOS cannot open RAR files natively. Here is exactly how to extract RAR archives on a Mac — without installing bloated software or uploading files to the internet.
6 min read
How to Replace Spaces with Dashes in File Names on Mac
File names with spaces cause problems on the web, in code, and when sharing. Here is how to replace spaces with dashes or underscores across hundreds of files on Mac.
5 min read
How to Rename Hundreds of Files at Once on Mac
Renaming files one by one on a Mac takes forever. Here is how to batch rename hundreds of files at once — with live preview and one-click undo.
7 min read
HEIC, JPG, PNG or WebP on Mac: Which Format Should You Use?
Choose HEIC, JPG, PNG or WebP on a Mac by matching the image format to quality, transparency, compatibility, editing and web-delivery needs.
6 min read
How to Merge PDFs on Mac Without Uploading Them
Merge PDF files locally on a Mac with Preview or a private desktop tool, while keeping the original documents safe and checking page order before export.
6 min read