What this tool does

Generate strong random passwords locally with secure browser randomness, length controls, character sets, ambiguity filtering, copy, and strength feedback.

  • Create a 16-character password with uppercase, lowercase, numbers, and symbols for a new account.
  • Generate a longer 32-character password for a password manager or shared secret rotation.
  • Exclude ambiguous characters such as 0, O, I, l, and 1 when a password must be typed manually.

Password Generator

live
Password strength: Strong

When this tool is a good fit

Password Generator helps when you need a random password that can be copied immediately and stored in a password manager from a target length plus the character groups the destination system allows. It is most useful for creating strong credentials for new accounts, password manager entries, shared admin rotations, and one-time access handoffs. The notes below focus on the settings that matter, the checks worth doing before you export, and the limits that tend to cause mistakes.

  • Takes a target length plus the character groups the destination system allows.
  • Lets you adjust length, uppercase, lowercase, numbers, symbols, and whether ambiguous characters should be avoided.
  • Calls out what to review: the strength label, enabled character groups, and whether the result can be typed or pasted in the target field.
  • Produces a random password that can be copied immediately and stored in a password manager.
  • Fits common jobs such as creating strong credentials for new accounts, password manager entries, shared admin rotations, and one-time access handoffs.

Example jobs

  • Create a 16-character password with uppercase, lowercase, numbers, and symbols for a new account.
  • Generate a longer 32-character password for a password manager or shared secret rotation.
  • Exclude ambiguous characters such as 0, O, I, l, and 1 when a password must be typed manually.

How to use Password Generator

  1. Prepare a target length plus the character groups the destination system allows.
  2. Set length, uppercase, lowercase, numbers, symbols, and whether ambiguous characters should be avoided before running the tool.
  3. Generate or process the result, then review the strength label, enabled character groups, and whether the result can be typed or pasted in the target field.
  4. Copy, export, or download a random password that can be copied immediately and stored in a password manager.
  5. Run a second pass if the destination system, document, or workflow has stricter requirements.

What to know before you use it

  • The generator uses crypto.getRandomValues() for browser-provided cryptographic randomness.
  • Selected character sets are combined locally, and at least one character from each enabled set is included when possible.
  • The strength indicator scores length and character set diversity without sending the password anywhere.
  • Browser cryptographic randomness is more appropriate for passwords than Math.random because it is designed for security-sensitive values.
  • Longer passwords usually matter more than complicated-looking short passwords, especially when a password manager can store the result.

Checks and edge cases

  • Use at least 16 characters for ordinary accounts and longer values for infrastructure, shared secrets, or recovery codes.
  • Disable symbols only when the receiving system rejects them; otherwise keep multiple character groups enabled.

How your data is handled

Passwords are generated entirely in your browser. Toolumina does not upload, save, log, or transmit generated passwords.

FAQ

Is this password generator secure?

It uses the browser crypto API rather than Math.random, which is the right local primitive for generating random passwords.

Does Toolumina store generated passwords?

No. Generated passwords stay on the page in your browser and are not uploaded or saved by Toolumina.

What length should I use?

Sixteen characters is a practical default for many accounts. Use longer passwords for high-value credentials or when your password manager can store them.