Title: Password Generator Author: Kriko Published: Jul 20, 2026 Last modified: Jul 21, 2026 --- 1. [Home](https://kriko.io/) / 2. [Tools](https://kriko.io/tools) / 3. Password Generator # Password Generator Loading Password Generator… 1 ## Set your password rules Weak, reused passwords are the leading cause of account breaches. A long, random password is far harder to guess or crack than anything you would invent. 2 ## Generate and copy Choose the length and character types, and the tool creates a strong random password using the browser's secure randomness. 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A Password Generator creates random passwords according to a selected length and character set. Instead of relying on familiar words, names, dates, keyboard patterns, or small variations of existing passwords, it combines characters unpredictably to produce credentials that are more difficult to guess. Random generation is particularly useful because people often choose memorable passwords by following predictable patterns. A sufficiently long password generated from a large character set creates many more possible combinations, making automated guessing attacks less practical. NIST identifies password length as an important security control and recommends using distinct passwords for different services. The Password Generator allows you to choose the desired length and character types before creating a new password. Generation takes place locally in the browser, and the resulting value is not stored or transmitted by the tool. ## How to Generate a Strong Password Begin by selecting the required password length. Longer passwords generally provide a larger number of possible combinations, particularly when they are created randomly rather than based on common words or predictable substitutions. The appropriate length may also depend on the requirements of the website, application, or system in which the password will be used. Next, choose the character types that should be included. Depending on the available settings, a generated password may contain uppercase letters, lowercase letters, numbers, and special characters. The tool then creates a random value that follows the selected rules. Copy the generated password and save it directly in a trusted password manager. Avoid sending it through unsecured messages, storing it in an unprotected document, or reusing it for several accounts. Password managers can help users maintain separate credentials for each service without needing to memorise every generated value. ## Why Are Random Passwords More Secure? A password does not become strong simply because one letter is capitalised or a symbol is added at the end. Attackers can test common substitutions, keyboard sequences, frequently used words, breached credentials, and predictable combinations during password-guessing attacks. Random passwords avoid many of these human patterns. When every character is selected independently through a secure random process, the result is less closely connected to personal information or familiar password structures. Increasing the length also expands the number of potential combinations that would need to be tested. Randomness must come from an appropriate source. The browser’s Web Crypto API provides cryptographically strong random values through methods such as `Crypto.getRandomValues()`. This is designed for security-sensitive randomness and is more appropriate for password generation than non-cryptographic functions such as `Math.random()`. ## How Long Should a Password Be? There is no single password length that suits every system, because websites and applications apply different limits and authentication policies. In general, increasing the length of a randomly generated password improves resistance to guessing by expanding the possible combination space. Current NIST guidance places significant emphasis on password length and recommends that services support passwords of at least 64 characters as a maximum permitted length. Users may also rely on password managers to generate and maintain unique passwords for separate accounts. When a website permits it, choose a long generated password that can be stored in your password manager. If a platform imposes a shorter limit or restricts certain symbols, adjust the generator settings to meet those requirements without relying on personal information or easily recognised patterns. ## Why Password Reuse Is Risky Using the same password across several services means that a credential exposed by one platform may also provide access to other accounts. This type of attack is commonly known as credential stuffing, in which compromised usernames and passwords are tested against additional services. Maintaining a distinct password for every account limits the impact of a single credential exposure. A password generator makes this practice easier by producing a different random value whenever a new credential is required. A password manager can then associate each generated password with the correct website or application. For accounts containing important personal, financial, business, or administrative information, passwords should also be combined with multi-factor authentication whenever the service supports it. A second authentication factor can provide an additional barrier even when a password is exposed. ## Store Generated Passwords Safely Strong random passwords are intentionally difficult to remember. Rather than simplifying them or reusing one password across several accounts, store them in a reputable password manager protected by a strong master password and multi-factor authentication. Do not keep passwords in publicly accessible spreadsheets, unprotected text files, browser notes, shared documents, or messages that other people can read. Passwords should also never be stored by an application as plain text. Secure services use purpose-built password-hashing methods rather than reversible encryption or fast general-purpose hashes. The generated password should be copied carefully and saved before closing or refreshing the page. Because the tool does not store the result, a password that has not been recorded may need to be generated again. ## Private Password Generation in Your Browser The Password Generator uses the browser’s secure randomness to create passwords directly on your device. The entered settings and generated values do not need to be uploaded to an external server, and the tool states that nothing is stored or transmitted. Local generation reduces the need to share newly created credentials with a remote conversion or processing service. Once the password has been generated, copy it into your password manager and use it only for the account for which it was created. ## Track the digital heartbeat with Kriko Subscribe to receive curated insights, news, and ideas shaping the digital landscape. By checking this box, you acknowledge and accept our [privacy policy](https://kriko.io/privacy-policy).