Easy Converter

Password Generator

Generate strong, cryptographically random passwords directly in your browser — never stored, never logged. Pick a length, choose character classes, exclude ambiguous symbols, and copy a password that resists modern brute-force attacks for thousands of years. Built with the Web Crypto API.

How to use

  1. 1

    Pick a length

    Choose between 8 and 64 characters. 16 is a sensible default for everyday accounts.

  2. 2

    Select character classes

    Mix uppercase, lowercase, digits and symbols. Exclude ambiguous characters if you will type the password manually.

  3. 3

    Copy the password

    Click the copy button. The generator never sends the value anywhere.

Technical details

Password strength is measured in entropy bits: the logarithm base 2 of the number of possible passwords a generator could have produced. A 12-character password drawn from the 95-symbol ASCII printable set has roughly log₂(95¹²) ≈ 79 bits of entropy — comfortably above the 70-bit threshold considered safe against current offline cracking rigs.

Easy Converter uses `window.crypto.getRandomValues`, which under the hood calls into the operating system entropy pool (Windows BCryptGenRandom, Linux /dev/urandom, macOS Security.framework). This is the same source used by browsers to generate TLS session keys — provably suitable for cryptographic use, unlike `Math.random()` which is predictable.

For long-term storage, prefer a passphrase of 5–6 random words (e.g. correct-horse-battery-staple). At ~13 bits per word from a 7,776-word dictionary, six words give 78 bits of entropy while being immensely easier to type and remember than a comparable random string. The generator offers a passphrase mode for exactly this scenario.

Never reuse passwords across services. The single biggest reason credentials leak is database breaches at low-value sites, after which attackers replay the same email/password pair at higher-value targets (banks, email). A password manager solves the reuse problem without sacrificing entropy.

Frequently asked questions

Are my passwords stored anywhere?
No. They live only in your browser memory until you close the tab. Easy Converter has no server-side logging.
Is the random number generator secure?
Yes. We use the Web Crypto API, which sources entropy from the OS — the same source used for TLS.
How long should my password be?
For everyday accounts, 16 characters with mixed classes. For high-value accounts, 20+ characters or a 6-word passphrase.
Should I use symbols?
They add entropy but some legacy systems reject them. Length is the more important variable.
Can I generate passphrases instead?
Yes. Switch to passphrase mode for memorable diceware-style passwords.
Reviewed by:Easy Converter Engineering Team

This tool was tested and calibrated by our engineering team. All processing happens locally in your browser — your files and data never leave your device.