Hash Generator
Generate SHA-256, SHA-384, and SHA-512 hashes.
- On your device
- No signup
A password generator creates strong random passwords with your chosen length and character sets. Passwords are generated locally and are not stored.
Private on your device
Your information stays on your device and is not uploaded.
Generate SHA-256, SHA-384, and SHA-512 hashes.
Generate UUIDs for apps, tests, and databases.
Generate random text strings for testing and placeholders.
Encode and decode text with Base64.
Decode JWT header, payload, and expiry—including Bearer tokens—on your device.
Service UUID lookup: inspect version, variant, and embedded timestamps.
Build a simple crossword grid from your own words and clues.
Unscramble letters into words with Easy, Medium, and High difficulty modes.
Create strong random passwords using secure random generation on your device. Choose length and include uppercase, lowercase, numbers, and symbols. Optionally exclude ambiguous characters. Passwords are never stored—canonical destination for strong password generator searches.
Generated passwords are only as secure as how you store them. Copy into a password manager immediately and avoid saving secrets in plain notes or chat logs. Exclude ambiguous characters when the target system rejects them.
Password generation uses secure random generation on your device. Nothing is sent to Utilnivo servers. Rotate passwords after vendor breaches even when the old password was strong.
For Wi-Fi passwords you must read aloud, favor longer passphrases with words and digits rather than short random strings.
Sites that cap length at 16 characters need shorter outputs—raising length here does not help if the destination form truncates silently.
Developer test accounts can use separate generated secrets per environment so a leaked staging password never unlocks production.
Memorable master passwords for password managers can be long passphrases generated here once, then used only to unlock the vault that stores everything else.
Regenerate if the password appeared on screen during a screen share—treat displayed secrets as compromised.
NIST guidance favors length over forced symbol rotation every 90 days—use 16+ characters unless a site policy requires symbols.
1. Set password length (12–16+ is a practical baseline for most accounts; longer is stronger). 2. Enable the character types you need. 3. Optionally exclude ambiguous characters like O/0 or l/1. 4. Generate and copy. 5. Store in a password manager—do not reuse across sites.
Example A — 16 characters with upper, lower, numbers, and symbols: high entropy for a primary account password. Example B — 20 characters, no ambiguous symbols: easier to type when a manager cannot autofill. Example C — 12 characters letters+numbers only: weaker than a longer mixed set—prefer length when a site bans symbols.
Generates strong random passwords on your device with secure randomness. Choose length and character sets (uppercase, lowercase, numbers, symbols) and optionally exclude ambiguous characters. Passwords are not stored or sent to a server.
Results are based on the inputs you provide and may not cover every edge case. This tool is for general use and is not professional advice.
Your data stays on your device and is not uploaded.
Explore focused guides that reuse this strong password generator with different examples and FAQs.
FAQ
No. Passwords are generated on your device and are not logged or sent to a server.
The generator uses the secure random generation for strong randomness.
Ambiguous characters include look-alikes such as 0, O, 1, l, and I. You can exclude them for easier reading.
Length plus mixed character types. Prefer 16+ characters with uppercase, lowercase, numbers, and symbols, and avoid reused or guessable phrases.
A password generator builds random character strings. Passphrases use several random words. Both can be strong; use a password manager either way.
Try Hash Generator for checksums, or UUID Generator for unique IDs.
This tool is one step in a longer job. Jump straight to your step or open the full workflow guide.
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