Access Wikipedia, medical guides, survival resources, maps, and classic books on iPhone, Windows, and macOS — all without an internet connection.
ArkFile bundles essential knowledge and tools in a portable app that works anywhere — no internet required.
Access the entirety of Wikipedia, medical encyclopedias, travel guides, and Stack Exchange Q&As — all stored locally on your device.
Navigate without GPS or cell service. Built-in map viewer with detailed regional atlases for when you're off the grid.
WikiMed medical encyclopedia with 50,000+ health topics. Essential first aid and healthcare information when help is far away.
Calculators for water needs, food rationing, battery runtime, solar sizing, and fuel consumption. Plan for any emergency.
Classic books and practical documents from Project Gutenberg — from the Bible to Moby Dick, ready to read anytime.
Use ArkFile on iPhone, Windows, and macOS. Start with the small app, then add the offline library size that fits your storage.
Sign in with your ArkFile account, unlock Access through the App Store, then download Essentials on Wi-Fi. Wikipedia, maps, medical references, survival guides, and classic books stay readable on your iPhone when the network is gone.
General knowledge, medical, food prep, travel, and books — bundled in one offline pack.
Local vector maps and atlases. Pinch to zoom. No cell service required.
Calculators for water, power, evacuation range, food safety, and field checklists.
ArkFile Access syncs to your account so the same unlock works on iPhone, Mac, and Windows.
The iPhone app focuses on ArkFile Essentials, a compact offline library. Desktop ArkFile still offers larger Standard and Complete installs for machines with more storage.
Tap any screen to see it full size.
The Mac & Windows app — a beautiful, intuitive interface for browsing your offline knowledge.
Organize your knowledge library by category — General, Medical, Food Prep, Travel, Books & Documents.
The complete Wikipedia experience, searchable and browsable, entirely offline.
Emergency planning calculators — water, food, battery, solar, fuel, and unit conversions.
Interactive offline maps with pan, zoom, and detailed geographic information.
Detailed regional atlases with topographic features, cities, roads, and geographic reference data.
Offline entertainment — classic games and puzzles to keep morale high during extended situations.
Thousands of survival Q&As — navigation, dehydration, foraging, and outdoor skills.
Electrical Engineering Stack Exchange — repair guides, circuit design, and technical knowledge.
USDA Complete Guide to Home Canning — safe food preservation methods, recipes, and storage techniques.
Motor Vehicle Maintenance & Repair — DIY guides for common repairs, troubleshooting, and upkeep.
Trapping & Hunting techniques — field dressing, snare construction, tracking, and game processing.
Timeless literature, field manuals, and practical guides — all organized for quick access.
.png)
.png)
.png)
.png)
.png)
.png)
.png){kind=tracking}
.png)
.png)
.png)
.png)
.png)
.png)
.png)
.png)
.png)
.png)
.png)
.png)
.png)
112 books, manuals, and reference works included
ArkFile runs on iPhone, Windows, and macOS. Create your account first, then sign in inside ArkFile to unlock access and install the offline library that fits your device.
iPhone app
ArkFile Essentials
Windows 10 & 11
32-bit, 64-bit, ARM64
macOS 10.13+
Intel & Apple Silicon
Create your ArkFile account first. Then download the small app, sign in inside ArkFile, and choose Essentials, Standard, or Complete based on your storage. All packs are included with one purchase.
Best for limited storage or the fastest first install after purchase
Included with your purchase and installed from inside the app
Included with your purchase and installed from inside the app
The app download stays small. After install, ArkFile lets you choose Essentials, Standard, or Complete based on available storage.
Be prepared for anything. Access the world's information without relying on the internet.
Create your account before download. The ArkFile unlock happens after you open ArkFile, sign in, and purchase from inside the app.