Password Generator

Generate strong, random passwords with customizable length, character sets, and complexity requirements.

How to Use Password Generator

1

Set password length

Choose how many characters your password should contain.
2

Select character types

Toggle uppercase, lowercase, numbers, and special characters.
3

Generate and copy

Click generate and copy the secure password to your clipboard.

Tested tool guide Tested browser tools Checked August 16, 2026

What Password Generator does and how it behaves

This tool builds a password by assembling a pool of allowed characters from the sets you switch on - lowercase, uppercase, digits, symbols - then fills the requested length by drawing from that pool, optionally forcing at least one character from each enabled set. The one thing people misjudge is length versus character variety: adding symbols to a short password adds far less resistance to guessing than simply making the password longer, since total strength scales with length times log2 of the pool size, not a fixed bonus per character type you turn on.

How the result is produced

Character pool and inclusion rules

Each toggle - lowercase, uppercase, digits, symbols - adds its characters to a single pool the generator draws from. Some options also exclude visually similar characters, such as l, 1, I, O, and 0, so the result is easier to transcribe by hand or read aloud. Turning off a set removes it from consideration entirely; it does not just make it less likely to appear.

Length-driven output

The generator fills the password out to the length you set, typically guaranteeing at least one character from every enabled set so a rule like 'must contain a digit' isn't left to chance. Because strength scales with length times log2 of the pool size, raising the length by a few characters usually does more for resistance to guessing than adding one more character set.

Good uses

picking a fresh, unmemorized password when signing up for a new online account
replacing a password you reused across sites after hearing about a breach
filling vault entries in a password manager where you never need to type or remember the password yourself

Limits and checks

The tool can't verify whether a target site's own password policy (max length, banned symbols, no leading digit, and so on) matches what it generated - test the result on the actual signup form before relying on it
A 'strength' label or bar, if the tool shows one, is an estimate based on length and character variety, not a guarantee against every attack; a rule-following but patterned password can still be weaker than it looks
Whatever appears on screen is only as safe as your clipboard and device - a generated password left in clipboard history or visible on screen is exposed to anything else with access to either

Common questions

Should I trust this for a banking or primary email password?

Use it as a convenience for producing characters, but the meaningful security choice is length (16+ where the site allows it) and never reusing the result. This page doesn't state whether its randomness source meets cryptographic standards, so for your most sensitive accounts pairing it with a reputable, audited password manager is the safer default.

Does turning on every character set make a stronger password?

Not by itself. Broadening the pool only helps if you also keep or increase the length; a longer password using fewer character types often beats a short one using all of them, which is why NIST guidance favors length over composition rules like mandatory symbols.

References and verification

The behavioral notes were checked against the browser implementation. Standards and primary references below define the relevant format, formula, or platform behavior.