Anhphong Blog

Apple publishes an ambient temperature limit for Mac laptops, not a battery-cell limit.

System Data is the category Apple used to call Other.

What Apple actually publishes about MacBook battery longevity: the 1000-cycle rating, Optimized Battery Charging, the new Charge Limit setting, and which popular advice its own docs contradict.

Xcode quietly hoards tens of gigabytes across four directories.

Find which WiFi channel your Mac is on, see what your neighbors are using, and pick a clearer one.

Translate hardcoded video subtitles line by line on Mac with offline OCR.

Translate any screenshot with foreign text to English on your Mac, fully offline.

Read untranslated Japanese manga and raws on your Mac by translating the text on screen with offline OCR, no scanlation wait and no data leaving your machine.

Play import JRPGs, visual novels, and untranslated indie games on your Mac by translating menus and dialogue on screen with offline OCR, even in full-screen.

Draw with light using just your iPhone: how light painting works, the settings that matter, and how a long exposure app makes the shot repeatable instead of luck.

How to get the silky, flowing waterfall look with just an iPhone: Live Photo long exposure, dedicated apps, exposure times, and composition that works.

Delete hundreds of old screenshots at once: the Screenshots album trick, a Shortcuts automation, and AI cleaners that find the ones worth keeping first.

Turn moving lights into ribbons with your iPhone: Live Photo's hidden long exposure mode, dedicated apps with real-time preview, and the settings that matter.

Apple's Duplicates album misses burst shots, retakes, and near-identical photos.

How contractors and tradespeople should photograph job sites: timestamps, GPS, before/after pairs, and the habits that win disputes.

Three ways to add a date, time, and location stamp to iPhone photos: while shooting, after the fact, and in bulk.

Your iPhone photos contain GPS coordinates, device info, and timestamps.

How to shoot long exposure photos on iPhone using Live Photos and dedicated apps.

Convert HEIC photos to JPG directly on your Mac without uploading to any website.

Four ways to batch compress images on macOS, from built-in tools to modern format converters.

A practical comparison of the best markdown viewers on macOS.

A straightforward guide to introducing the top 9 allergens to your baby, including when to start, how to track reactions, and what to do if something goes wrong.

Your iPhone has a built-in duplicate finder, but it misses a lot.

I tested 6 duplicate photo cleaner apps on my iPhone with 12,000+ photos.

The menu bar is the most underused part of macOS.

coconutBattery is the go-to Mac battery tool, but it's showing its age.

Practical ways to reduce Mac data consumption when connected to iPhone hotspot so you stop burning through your cellular plan

Fix VPN connection drops on Mac and set up instant disconnect alerts so you're never exposed without knowing

Compare the best VPN monitoring tools for macOS including built-in options, browser extensions, and dedicated menu bar apps

Mac WiFi crawling?

Your Mac says startup disk is almost full.

Your MacBook shows 80% battery health.

Step-by-step guide to find what's eating your Mac storage, from built-in tools to visual analyzers that make cleaning up fast and easy

Detailed comparison of Storage Peek and DaisyDisk for analyzing Mac storage: speed, features, pricing, and which disk analyzer you should choose

Detailed comparison of SignalPeek and WiFi Explorer for monitoring WiFi on Mac: features, pricing, and which WiFi analyzer you should choose

Find which app is draining your MacBook battery using Activity Monitor, then fix it.

Five Mac disk analyzers compared head to head: DaisyDisk, GrandPerspective, OmniDiskSweeper, Disk Inventory X, and Storage Peek.

Comprehensive roundup of the best MacBook battery monitoring and management apps: features, pricing, and which one you should choose

Detailed comparison of Battery Vitals and AlDente for MacBook battery health management: features, pricing, and which one you should choose

Learn how to find the best WiFi spot, troubleshoot weak signal, and monitor signal strength on Mac for better internet performance

Learn how to test for DNS leaks, IPv6 leaks, and verify your VPN connection is actually protecting your privacy on macOS

Learn how to translate text from games, PDFs, images, and copy-restricted apps on Mac using offline OCR translation tools

Learn how to schedule meetings, track team hours, and avoid timezone confusion when working with international remote teams

Learn how to clear Mac storage using built-in tools and prevent 'disk full' errors with proactive monitoring

Learn how to monitor iPhone Personal Hotspot data usage when connected to Mac, set limits, and avoid exceeding your cellular plan

Learn how to check your MacBook battery health using built-in tools and when third-party apps like Battery Vitals provide more value

My philosophy and motivation behind creating minimal utility apps for macOS

Technical decisions and polish details that matter when building native menu bar utilities