Be prepared when power or the internet fails
KeinInternet is a free emergency command centre for your Windows PC. While the network works it collects official alerts, disaster and supply data. If it fails, the supplies calculator, emergency folder, Wikipedia and 31 guides stay usable offline – no account, no tracking, your data stays on your PC.
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The video: KeinInternet in 3 minutes
What KeinInternet does
Emergency supply calculator
How many days can your household last? Based on official recommendations – with children, dog and cat, shopping list as PDF.
Alerts & early warning
Official alerts for your region, airspace situation, government travel advice and scenarios – automatically in the background.
Power cut & blackout
What to do in a blackout: light, heating, cooking without power, backup power – step by step.
Drinking water & food
Water supplies, boiling, filtering, food without refrigeration – with amounts per person.
Emergency folder
Key data, emergency numbers, meeting points and medication – fill in and print as PDF.
Offline Wikipedia
Wikipedia, dictionary and repair guides offline on your PC and to your phone over your home network.
World situation map
Earthquakes, disasters, wildfires, conflicts, air traffic and prediction markets on one map.
Supply radar
Power, gas, fuel and food: spot shortages early – with sources and timestamps.
Emergency guides
- Emergency Overview — Read This First
- First Aid — Quick Reference
- Drinking Water — Supplies & Treatment
- Food — Supplies & Cooking Without Power
- Power Cut / Blackout
- Heating & Light Without Power
- Communication Without Internet
- Using Local AI Offline
- PC & Network Without Internet
- Money & Documents
- Home Medicine Cabinet & Medication
- Hygiene & Safety During a Prolonged Outage
- Download Checklist — Do It NOW, While the Internet Still Works!
- Staying Informed When the Internet Fails
- Escape & Evacuation
- Offline Wikipedia & More (Kiwix)
- OSINT Threat Analysis (local)
- Risk Map & Public Webcams
- Supply Radar & Phone Alerts
- War, Air-Raid Alerts & State of Defence
- Nuclear accident & chemical accident
- Pandemic & severe wave of infection
- Dogs in an emergency
- Older person in the household (from about 70)
- Early warning — know before the crowd
- Shelter in the basement — conversion & protective ventilation
- Building your own power & electronics — circuit diagrams
- Growing & seeds — producing your own food
- Edible wild plants & mushrooms
- Medicinal plants & home remedies — make your own
- Library — old handbooks offline (PDF)
Frequently asked questions
Is KeinInternet really free?
Yes. No cost, no account, no subscription and no ads. Your data stays on your PC.
Does KeinInternet work without internet?
Yes. Guides, supplies calculator, emergency folder, offline Wikipedia and the last known situation remain usable without a network.
How much emergency food and water do I need?
Authorities recommend supplies for several days to two weeks. The supplies calculator works out water, food and pet food for your household.
Which countries is KeinInternet for?
Germany, Austria, Switzerland, France, Belgium, Luxembourg, the UK, Ireland, the USA and Canada – each with its own alert systems and authorities.
Which systems are supported?
Windows 10 and 11. Live situation, supplies calculator and emergency folder also run right in the browser.
What happens to my data?
Nothing leaves your PC. No sign-up, no cookies, no tracking.