Security & Privacy Tools

Strong passwords are the most important protection for your online accounts. Our tools help you create secure credentials and realistically assess existing passwords. Everything runs directly in your browser, no sign-up and no installation.

Create random passwords with custom length and character sets using the Password Generator. The Password Checker evaluates your password by entropy and estimates how long an attack would take. You can also generate PINs, passphrases and API tokens, or create a WiFi QR code to share your network safely.

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Password Generator Generate secure, customizable passwords to your specifications for length, character types, and exclusion rules, suited to any account that needs protection. PIN Generator Generate secure, random PINs for cards, locks and codes with configurable exclusion rules, so only valid results are returned. GDPR-compliant. Passphrase Generator Create memorable, secure passphrases from German words using the Diceware method, ideal for strong passwords on any website. GDPR-compliant. API Token Generator Generate cryptographically secure tokens and API keys in Hex, Base64-URL, and alphanumeric formats for authentication and access. GDPR-compliant. Password Checker Test your password security with a heuristic check analyzing length and patterns, so you can quickly spot potential weak points. GDPR-compliant. Password Strengthener Harden your existing password so it grows longer and more robust while staying recognizable and more resistant to attacks. Runs in your browser, GDPR-compliant. Password Mnemonic Turn your password into a mnemonic so you can remember the combination easily and retrieve it quickly whenever you need it. GDPR-compliant. WiFi QR Generator Create a QR code with your WiFi credentials so guests can connect to your network instantly, without typing the login details. GDPR-compliant. Remove contact data Removes personal data (PII) from text, HTML, CSV, JSON, XML, Word (.docx) and Excel (.xlsx): emails, phone numbers, names, addresses, IBAN, credit cards, passport and tax numbers, IPs and URLs. Optional local AI. 100% in your browser, no upload.