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A password generator creates random, high-entropy strings suitable for use as passwords. By combining uppercase letters, lowercase letters, digits, and symbols in configurable quantities, it produces passwords that are resistant to dictionary attacks and brute force.
Using a generator instead of inventing passwords yourself ensures true randomness — humans are poor at generating randomness and tend toward predictable patterns.
Password managers generate passwords internally, but you need an account and the app installed. ToolPop generates secure passwords in your browser using the Web Crypto API — useful for one-off needs, shared computers, or when you want to verify the generation logic yourself.