This Tiny Survival Hotspot Gives You 5 Libraries' Worth of Critical Information to Survive Outdoors, Find Your Way Back Home, or Treat Wounds in Seconds
All without lugging around 100,000+ copies of books, maps, and survival guides.
100% OF WIKIPEDIA | 90,000 How-To DIY Instructions | Entire USA, Europe, & OCEANIA Mapped | Plus lots more stored OFF-LINE
- 📡 Runs on grid, car, or battery power
- 📱 Easier to use than most smartphones
- 🛡️ Free of AI
For the people who want to keep accessing Wikipedia, WikiHow, iFixit, and so much more, completely offline.
The End of the Internet As You Know It
Disaster strikes
Storms, floods, fires, and manmade attacks all have the ability to sever the internet for days, weeks, or even longer, leaving you cut off from the information your household runs on.
Government censorship
Governments hold the power to throttle or completely cut off internet access in their own countries, and they can do it without giving anyone a moment's notice.
AI takeover
AI is reshaping the internet quickly, from making information unreliable to potentially shutting down large parts of it as a kind of digital doomsday device, which is why owning a snapshot of the web from when it was still mostly human-made could prove genuinely valuable.
Going off-grid
Whether you are forced into the wilderness by circumstances or you choose to live off-grid on a homestead, on a sailboat, or while traveling through remote regions, reliable connectivity is almost always the very first thing to disappear.
Here's How It Works in Any Situation
A pocket-sized device, your existing phone or laptop, and a few seconds of setup are all it takes.
When the internet goes down, you simply switch the WiFi on your phone, laptop, or tablet over to the Prepper Disk's network. Power the unit on by plugging it into a wall outlet, a car charger, a portable power bank, or even a generator, and within seconds it creates its own private WiFi network that up to twenty people can connect to at the same time.
From there you browse all of the included material as if you were online, except nothing actually is online, since every article, map, video, and book lives directly on the Disk. When you don't need it, you can stash it in a drawer, drop it into a waterproof container, or pack it away securely in your bug-out bag for next time.
What's On It
Your private version of the internet's most useful knowledge, ready to browse the moment you connect.
100% of Wikipedia
Over 7 million English articles, fully searchable, with images included.
Medical Manuals
Diagnose, treat, and stabilize, plus the complete library of FEMA disaster guides.
iFixit + 90,000 Tutorials
Repair the generator, fix the well pump, get the truck running again.
Offline Maps
Streets, satellite imagery, and the full US National Park trail system.
60,000+ Books
Classics, survival manuals, and US Military field guides ready to read.
Ham Radio Database
Frequencies, callsigns, and emergency channels at your fingertips.
View the full content list
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Plus, we release new content updates regularly so your library keeps growing over time.
When You'd Actually Use It
Built for the moments you can't Google your way out of.
Why a Prepper Disk Beats Every Alternative
A quick look at why the obvious substitutes fall short the moment you actually need them.
vs. Your phone
Your phone is only as useful as the internet it's connected to, and the moment that connection drops, almost everything that makes the device valuable drops with it. The Prepper Disk gives your phone its own private emergency internet, restoring the apps, articles, and answers you depend on even when every cell tower around you is dead.
vs. Printed books
You would need a forty-foot shipping container just to store a small fraction of what fits on the Prepper Disk in printed form, and even then you would be flipping through pages by hand instead of searching a library by keyword in seconds.
vs. A USB drive
A regular USB drive could technically hold the same files, but you would struggle to navigate any of it without a proper interface, and you would have to physically hand it around every time someone else needed access. The Prepper Disk wirelessly shares its full library with up to twenty devices at once, and the built-in interface lets you find critical information in moments, like how to apply a tourniquet after a car crash.
Stashed With 7,000+ Households
From homesteaders to off-grid families to entire small communities, here's what people are saying.
This device is a must have in a disaster situation. I can have the library of Alexandria in my hands using the USB feature with an external drive on multiple devices. If I could give Prepper Disk six stars, I would.
WOW! Firstly, the customer service is above and beyond fantastic. When I encountered a delivery hiccup I reached out to the company and Adam responded promptly and thoughtfully.
Within seconds I was connected on my mini PC and my phone. It's really a pretty amazing device. The Pi is USB-C powered so it makes it super easy to take on the go, in the car, or in my comms trailer. It's well organized and easy to find everything.
Get the Prepper Disk Premium 512GB
Pick the package that fits your household, your group, or your organization. Every option ships out of the USA within 24 hours.
What Gets Delivered to Your Front Door
Everything you need to be up and running in under five minutes.
- Raspberry Pi 4B with 2GB RAM and 512GB premium SD card pre-loaded with the full library.
- Rugged aluminum case with passive cooling, since there is no fan to fail in the field.
- Compact 3.5″ × 2.75″ × 1″ form factor that fits comfortably in a jacket pocket or glove box.
- USB-C charger and cable included so you can power up out of the box.
- Optional Faraday Bag to protect the unit from EMP and electromagnetic interference.
- Optional Power Bank Battery for long off-grid sessions away from a wall outlet.
Our Ironclad 60-Day Guarantee
Because the only way you should ever feel about your Prepper Disk is genuinely safer, more capable, and more prepared than you were the day before it arrived.
If your Prepper Disk doesn't make you feel safer, more capable, and more prepared, just email our team at support@prepperdisk.com within sixty days and we'll send you instructions for getting it back to us, with a full refund processed the moment it arrives.
On top of that, every single unit we ship comes with a full one-year hardware warranty, so you're covered in every direction from the moment your order is placed.
Why We Built This
Hi, I'm Adam
Hi, I'm Adam, and the short version of how Prepper Disk came to exist starts with a long career in software. I spent years as an engineer and then as a technology executive, and right before launching Prepper Disk I was leading an educational software company focused on K-8 students.
That work eventually pulled me into board service with The Water Project, and I started traveling to communities in Kenya to help build wells, sand dams, and protected springs. While I was over there I noticed schools trying to teach computer science on traditional chalkboards because they had no reliable electricity or internet at all, which is when I first came across the early software being used to store pieces of the internet on small offline devices so kids could keep learning regardless of their connection.
I brought the idea home and started kicking it around with my oldest son, who happens to be an avid outdoorsman and a casual prepper himself, and together we asked the question that eventually became Prepper Disk, which was simply, what does the digital version of a prep actually look like? From there we worked closely with survival experts and seasoned preppers to make sure what ended up on the disk was genuinely useful out in the field, and not just impressive on paper.
The response since launch has honestly blown us away, and seeing major prepper channels and respected experts test our work and share it with their own communities has been one of the most rewarding parts of this whole journey. Today we run Prepper Disk as a small family team out of Massachusetts, building the kind of device we always wanted for our own home.
You've Got Three Choices From Here
Close this tab and go on with your day, hoping that the internet, and all of the systems your family quietly depends on it for, keeps working forever in exactly the way it does today.
Building a Prepper Disk yourself is doable. All you need is a Raspberry Pi, a durable case, all of the information on it which will take weeks to collect and download, build a UI, and then hope it all works smoothly. Yes, it's doable for sure. I've done it myself, and if you want a challenging DIY project, go for it. To be honest, it's a fun project, but it took me a tremendous amount of effort and troubleshooting to get the setup right, and the hours and frustration involved aren't really for everyone.
Spend $279 today to save yourself the time and the headaches, and have all of those answers waiting in your pocket for the rest of your life. This is the route most of our customers end up taking, and the one we'd quietly recommend to a friend.
Frequently Asked Questions
Quick answers to the questions we hear most often. If yours isn't here, just shoot us a note at support@prepperdisk.com and we'll get right back to you.
Is there a subscription, or any kind of ongoing fee?
There are no subscriptions, no monthly fees, and no usage limits whatsoever. Once your Prepper Disk arrives, every single piece of content on it is yours to keep forever, and any future content updates we release are included at absolutely no extra cost.
Do I really need to be tech-savvy to set this up?
Not even a little bit. The Prepper Disk arrives fully loaded and ready to go, so all you need to do is plug it in, switch your phone or laptop's WiFi over to its private network, and start browsing like you would on any normal website. Most of our customers are completely up and running within five minutes of opening the box.
How do I power it on, and what happens when there is no electricity?
The Prepper Disk runs on a standard USB-C power source, which means a regular wall outlet, a car charger, a portable power bank, or even a generator will all do the job perfectly. The moment it has power, it creates its own private WiFi network and is ready to use within a few seconds.
How many devices can connect to a single Disk at the same time?
Up to twenty devices can be connected to a single Prepper Disk at once, which is more than enough capacity for a typical household, a small classroom, a community group, or even a fully off-grid homestead with extended family staying through an emergency.
How big is it, and is it durable enough to take outdoors?
The Disk measures 3.5 by 2.75 by 1 inches and slips comfortably into a jacket pocket, glove box, or bug-out bag. It lives inside a rugged aluminum case with passive cooling, which means there is no internal fan that could fail on you in dusty, sandy, or wet field conditions.
What about EMP events or electromagnetic interference?
We offer an optional Faraday Bag that protects the unit from EMP events and general electromagnetic interference, and it's something we'd genuinely recommend for anyone who wants to keep the Disk fully shielded and stored safely between uses.
What happens if it doesn't work out for me?
Every Prepper Disk comes with a 60-day return window, so if it doesn't end up making you feel safer, more capable, and more prepared, just email our team at support@prepperdisk.com and we'll send you the instructions to ship it back for a full refund. On top of that, every unit is covered by a one-year hardware warranty just in case anything ever does go sideways.