Free tools
Free diagnostics & practical tools
Simple tools to help you understand a Windows, Mac, Linux, iPhone, Android, or tablet problem before booking support. Free, no signup required, and usable from any device.
Windows PC Diagnostic
Slow PC, crashes, black screen, Wi-Fi trouble, or possible malware.
Mac / MacBook Diagnostic
Mac not starting, weak battery, slow performance, macOS issue, or migration help.
Linux Diagnostic
Ubuntu, Debian, Fedora, Mint, and other distributions for slowdowns, startup issues, Wi-Fi, updates, or driver problems.
iPhone Diagnostic
Broken screen, battery issue, charging problem, slowdown, or another iPhone fault.
Android / Samsung Diagnostic
Samsung, Xiaomi, Google Pixel, Huawei, and other Android brands.
Tablet Diagnostic
Screen, battery, charging, slowdown, or limits on an iPad or Android tablet.
AI Troubleshooting Assistant
Describe the issue in plain English and get quick, practical suggestions.
More practical tools
Wi-Fi Speed Test
Quickly see whether your internet connection is performing as expected.
Test my connection →Repair or Replace?
A quick decision tree to see whether repair still makes financial sense.
Backup Check
Are your key files actually protected if your device fails or gets lost?
Security Checklist
A quick look at updates, passwords, 2FA, and active protection.
Printer Help
Printer not found, queue stuck, or Wi-Fi setup failing?
Small Business IT Needs
For freelancers and small teams who want a clearer view of their setup.
AI-powered tools
These tools use Google Gemini. A free API key is enough, and it stays stored only in your browser.
🔑 API key setup
Open Google AI Studio, create a free API key, then paste it below. The same key works on this page and on the French version.
Your key is stored only in your browser. It is never sent to my server.
How to get a free Google Gemini API key
- Open Google AI Studio with your Google account.
- Click Get API key and create a key in a Google project if prompted.
- Copy the generated key and paste it into the field above.
- Click Save so it reloads automatically after refresh.
- Keep the key private. It stays stored only in your browser on this device.
These tools use the key only to call Google Gemini directly from your browser. No API key is stored on my server.
AI Repair Advisor
A likely repair type, budget range, and time estimate.
Simple Tech Explanations
Confused by a technical term? Get a short explanation in plain English.
Device Health Check
Describe a device and its symptoms to get a quick health assessment.
AI Cost Estimator
A realistic repair price range for Paris.
Need professional help?
Call, send a WhatsApp message, or use the contact page for a proper diagnosis.