Access Wikipedia, medical guides, survival resources, maps, and thousands of 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.
Thousands of timeless books from Project Gutenberg — from the Bible to Moby Dick, ready to read anytime.
Download, unzip, and run. No admin rights, no complicated setup. Works on Windows, macOS, and Linux.
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.
Thousands of survival Q&As — navigation, dehydration, foraging, and outdoor skills.
Electrical Engineering Stack Exchange — repair guides, circuit design, and technical knowledge.
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, macOS, and Linux. No installation required.
Windows 10 & 11
32-bit, 64-bit, ARM64
macOS 10.13+
Intel & Apple Silicon
AppImage, DEB, RPM
Most distributions
Be prepared for anything. Access the world's information without relying on the internet.
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