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Password & UUID Generator
Generate strong passwords and UUIDs securely on your device.
Your files are processed directly on your device and are not uploaded to our servers.
Password options
Your password
U-?vIU{xNr:b0[Gw
Strength: Very strong (104 bits entropy, pool of 89 characters)
UUID v4 generator
How to use
- Choose password length and character sets.
- Click Generate — a fresh password appears with its strength rating.
- Copy it to your password manager. Generate UUIDs below for identifiers.
FAQ
- Are generated passwords sent anywhere?
- No. Passwords are generated on your device with crypto.getRandomValues and never leave your browser. We never see or store them.
- What does the entropy meter mean?
- Entropy (in bits) measures how hard a password is to guess: length × log2(pool size). 60+ bits is strong for most accounts; 80+ bits resists offline attacks. Longer is always better than clever.
- Should I exclude ambiguous characters?
- If you type passwords manually, excluding Il1O0 avoids confusion. If you use a password manager with copy-paste, keep them for maximum strength.
- What is a UUID used for?
- UUID v4 is a random 128-bit identifier for database keys, filenames, and API tokens. Every click generates a fresh one — collision chance is negligible.