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Free, privacy-first

Password Generator: Custom Rules and Strength

Generate strong browser-based passwords with custom length, character rules, exclusion filters, and a quick strength estimate before you copy.

Password generator controls

Generated passwords

The result panel shows the generated passwords plus a strength estimate so you can adjust the settings before you copy anything.

What this password generator is best for

It is built for practical password creation where you want a stronger result than memory-based passwords but still need control over readability and character rules.

  • Account signups, resets, and password manager entries
  • Temporary credentials, shared vault items, and test environments
  • Read-aloud or device-entry passwords where ambiguous characters are a problem

How to use the password generator

Start with length, then decide which character groups need to be included. The strength estimate updates from the available character pool.

  1. Choose a sensible password length

    Longer passwords generally matter more than clever patterns. Use the slider to pick a length that fits the account or device you are working with.

  2. Pick the character groups you need

    Enable uppercase, lowercase, numbers, and symbols as needed. The generator guarantees at least one character from each selected group when possible.

  3. Exclude characters that cause practical problems

    Remove ambiguous symbols when you need to read a password aloud, or exclude specific characters when a system rejects certain symbols.

Example scenarios

These are common real-world password setups rather than theoretical edge cases.

Standard strong account password

Use all character groups and a medium-long length for general account security.

Sample setup

Length
16
Character groups
Uppercase, lowercase, numbers, symbols
Ambiguous characters
Allowed

Result: A balanced strong password suitable for most password manager use.

Read-aloud device password

Remove ambiguous characters for easier manual entry on TVs, routers, or consoles.

Sample setup

Length
20
Character groups
Uppercase, lowercase, numbers
Ambiguous characters
Excluded

Result: A long password that is easier to dictate or retype correctly.