{ ILoveJS }

Password Generator

Generate strong random passwords with customizable options.

passwordgeneratorsecurityrandom

What is Password Generator?

The Password Generator creates cryptographically random passwords tailored to your exact specifications. Whether you need an 8-character PIN-style password or a 64-character high-entropy string for a production secret, this tool gives you full control over character sets — uppercase letters, lowercase letters, digits, and special symbols — so every generated password meets the requirements of virtually any platform or security policy.

For developers, strong password generation is a recurring need across the entire software lifecycle. From seeding test databases with realistic credentials, to provisioning service accounts, to creating default admin passwords for fresh deployments, having a fast and reliable generator saves time and eliminates the temptation to reuse weak or predictable strings. This tool runs entirely in the browser, meaning no generated password ever touches a server.

How to Use

Using the generator is straightforward. Set your desired password length using the length input — typically anywhere from 8 to 128 characters. Then toggle the character groups you want included: uppercase letters (A–Z), lowercase letters (a–z), numbers (0–9), and symbols (!@#$%^&* and similar). Hit Generate and your password appears instantly in the output field, ready to copy with a single click.

Each generation is independent and uses the browser's built-in cryptographic random source, so results are not predictable or reproducible — which is exactly what you want from a security tool. If you need a password that excludes ambiguous characters like 0, O, l, and 1 (common for user-facing credentials that might be read aloud or typed manually), look for the 'exclude ambiguous characters' option to avoid transcription errors.

One edge case to be aware of: if you select very short lengths (under 6 characters) while requiring all four character groups, the generator will ensure at least one character from each group is included, which can reduce apparent randomness slightly. For maximum entropy, use lengths of 16 characters or more with all character groups enabled.

Use Cases

Database seeding: Quickly generate unique passwords for test user accounts when populating a development or staging database, avoiding reuse of real credentials in non-production environments.
CI/CD secrets provisioning: Generate strong random values for environment variables, API keys, and service-to-service tokens when setting up pipelines, ensuring each secret is unique and meets length and complexity requirements.
Default admin credentials: When scaffolding a new application or self-hosted service, generate a secure one-time admin password to include in setup documentation or initialization scripts.
Security auditing and policy testing: Verify that your application correctly accepts or rejects passwords of various lengths and character compositions by generating edge-case inputs — maximum length strings, symbol-heavy passwords, or digit-only sequences.

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