Access Wikipedia, medical guides, survival resources, maps, and classic books — all without an internet connection. Be prepared for anything.
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.
Download the ArkFile app, install it in the normal way for your platform, and then add the library size that fits your storage.
A beautiful, intuitive interface designed for easy access to all 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.
Knowledge archives covering every essential topic — all available without internet.
Timeless literature, field manuals, and practical guides — all organized for quick access.
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112 books, manuals, and reference works included
Plan for emergencies with powerful offline calculators. Know exactly how much water, food, and power you'll need — no internet required.
ArkFile runs natively on Windows and macOS. Download the small base app first, then install Lite, Standard, or Complete inside ArkFile.
Windows 10 & 11
32-bit, 64-bit, ARM64
macOS 10.13+
Intel & Apple Silicon
Download the small ArkFile app first. Then choose Lite, Standard, or Complete inside the app 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
ArkFile is $29.50. Download the base app, then install Lite (~10 GB), Standard (~55 GB), or Complete (~123 GB) inside ArkFile at no additional cost.
Buy once, then choose the library size that fits your machine.
The app download stays small. After install, ArkFile lets you choose Lite, Standard, or Complete based on available storage.
Be prepared for anything. Access the world's information without relying on the internet.
Download the free app first. The full ArkFile unlock happens after you open ArkFile and continue to purchase or sign in from inside the app.
Get ArkFile pre-loaded on a rugged USB drive with all resources ready to go. Perfect for emergency kits, remote locations, or gifting.
Join USB Waitlist