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Generate strong random passwords with length 6–64 (default 16), lowercase, uppercase, numbers, and symbols, optional exclusion of I, l, 1, O, 0, cryptographic randomness when available, per-group character guarantee, strength feedback, and one-click copy — all in your browser.
Also try the API Key Generator, GUID Generator, and more in Utility tools.
Last updated: May 19, 2026 · Published: 2026-04-09 · Updated: 2026-05-19
Generated password
Click generate to create a secure password
Length: 0
Strength: Weak
A random password generator creates unpredictable login secrets from character pools you select — length, letter cases, digits, and symbols — instead of memorable phrases. Muxgen ensures at least one character from each enabled group, fills to your target length, shuffles the result, and labels strength before you copy into a password manager.
Generation uses crypto.getRandomValues when the browser supports it. Passwords are not uploaded to Muxgen servers, and no account is required.
Three steps to stronger account credentials.
Enter Password length (6–64) — default 16; values clamp on input and again when generating.
Toggle lowercase, uppercase, numbers, symbols; optionally keep Exclude similar characters (I, l, 1, O, 0) on.
Click Generate Password, review Length and Strength, then Copy to clipboard into your password manager.
Every control in the live random password generator component.
Number input min 6 max 64 — default 16. safeLength uses Math.max(6, Math.min(64, length || 16)) on generate.
Checkbox default on — pool abcdefghijklmnopqrstuvwxyz.
Checkbox default on — pool ABCDEFGHIJKLMNOPQRSTUVWXYZ (I and O removed when exclude similar is on).
Checkbox default on — digits 0–9 (0 and 1 removed when exclude similar is on).
Checkbox default on — special set !@#$%^&*()-_=+[]{};:,.?/|~
Checkbox default on — strips I, l, 1, O, 0 from each enabled pool via regex before building the master charset.
Primary action — guarantees one pick per enabled pool, fills remaining slots from combined pool, Fisher-Yates shuffle.
Emerald monospace display — placeholder Click generate to create a secure password until first run.
Shows password.length and Weak/Fair/Strong/Very Strong with color classes (red, amber, emerald, green).
Ghost button — copies current password; Copied! for two seconds.
Algorithm steps behind Generate Password.
Each selected pool contributes at least one character before random fill — so toggled sets always appear in the final password.
Remaining positions sample from the concatenation of all normalized pools until safeLength is reached.
shuffle() randomizes character order so guaranteed picks are not always at fixed positions.
randomInt uses Uint32Array modulo when Web Crypto is available — preferred entropy source.
Used only when crypto.getRandomValues is missing — still functional but less ideal for high-threat models.
If every checkbox is off, normalizedPools is empty and generate sets password to blank.
For API credentials use the API Key Generator. For standard unique IDs use the GUID Generator or UUID Generator.
Document rotation policies in internal wikis with the Markdown Table Generator.
Aligned with the live random password generator component.
Default 16 characters — suitable for most sites; increase toward 64 for high-value accounts.
Mix lowercase, uppercase, numbers, and symbols to satisfy typical complexity policies.
Optional removal of I, l, 1, O, 0 for easier manual entry without sacrificing much entropy.
Browser crypto API when available for index selection and shuffle swaps.
Weak through Very Strong feedback updates whenever a new password is generated.
No sign-up; passwords never leave the browser during generation.
Where random password generation improves account security.
Create unique login passwords for email, banking, and SaaS sign-ups.
Replace compromised or aged credentials during security audits.
Strong dummy passwords for test users without reusing production secrets.
Demonstrate length and character-set requirements with live strength feedback.
Enable all four groups and 12+ length until strength reaches Strong or Very Strong.
Generate once, copy to clipboard, save in 1Password, Bitwarden, or similar vaults.
Passwords vs API keys, UUIDs, length, and related utilities.
Passwords use mixed charset rules for human login; API Key Generator formats dev tokens.
UUIDs are fixed-format identifiers; passwords are variable-length secrets from chosen pools.
Uncheck symbols for sites that disallow them — per-group guarantee still applies to remaining pools.
On by default for readability; turn off when maximum symbol diversity matters more than typing ease.
16 fits most policies; 64 maximizes entropy when the service allows very long passwords.
Shareable URL and policy toggles — still store output only in a trusted password manager.
Terms used in the generator UI.
Unpredictability from random character choice — longer passwords and larger pools increase it.
Set of allowed symbols for one category (lowercase, uppercase, numbers, or symbols).
I, l, 1, O, 0 — visually confusable glyphs removed when the exclude filter is enabled.
Algorithm used to randomize the order of picked characters after length fill.
Heuristic Weak/Fair/Strong/Very Strong score — not a substitute for breach or policy checks.
Web Crypto API method used to pick unbiased random indices when supported.
Improve account safety beyond generation alone.
Generate a new password for every account — never reuse across services.
Copy once into Bitwarden, 1Password, or similar — avoid plain-text notes or chat.
Enable all character types and length 12+ until the strength label reflects policy goals.
Pair strong passwords with multi-factor authentication on email and financial accounts.
If a password was pasted in a ticket or screenshot, click Generate Password again and update the vault.
Confirm minimum length and required character classes before deploying work credentials.
Habits that pair with Generate Password and Copy to clipboard.
Click Generate Password once with defaults to see a balanced Strong or Very Strong example.
Some older portals reject punctuation — uncheck Symbols and keep other groups on.
When reading passwords aloud to a colleague, I/l/1/O/0 removal reduces mistakes.
Length panel confirms clamped output matches your input when policies require exact counts.
Machine-to-machine auth belongs in API Key Generator — not duplicated login passwords.
Publish team rules with Markdown Table Generator and link from onboarding docs.
Length, character sets, similar-character filter, randomness, strength labels, copy, and privacy.
Explore more tools in the directory.
Mock API keys and tokens for staging apps — not a substitute for login passwords.
RFC 4122 UUID v4 values for IDs and secrets that need standard identifier format.
Bulk unique UUIDs for test databases and integration fixtures.
Pretty-print config JSON after storing generated credentials in env files.
SEO snippets for help pages that document your team password policy.
Clean URL paths for internal security wiki articles about password rotation.