Random Password Generator

Password length

characters
1 128

Character types

Prefix and suffix settings

Advanced options

Result
🔒
After configuring the password options, click "Generate password"
to generate a random password

Random Password Generator

The Random Password Generator is a professional password generator that helps you quickly create secure, random passwords. It supports customizing password length, character types, prefixes and suffixes, and automatically calculates the password’s MD5 value and strength assessment, providing reliable protection for your account security.。

Key features

🔐 Flexible configuration

Supports password lengths from 1 to 128, with the freedom to include lowercase letters, uppercase letters, digits, and special characters.。

Character types:
Lowercase letters:abcdefghijklmnopqrstuvwxyz
Uppercase letters:ABCDEFGHIJKLMNOPQRSTUVWXYZ
Number:0123456789
Special symbols:~!@#$%^&*()_+-=[]{}|;:,.<>?

📦 Prefix and suffix support

Add custom prefixes and suffixes to meet specific format requirements.。

  • Prefix - add fixed characters before the password
  • Suffix - add fixed characters after the password
  • Prefixes and suffixes support up to 32 characters.

🔑 Advanced options

Lets you exclude similar characters and ambiguous symbols to improve password readability.。

  • Exclude similar characters - avoid ambiguous characters like 0OoIl1
  • Exclude ambiguous symbols - avoids hard-to-type symbols like {}[]()
  • Improves password readability and ease of typing.

🛡️ Security

Uses the browser’s native cryptographic random number generator to ensure password security and randomness.。

  • Generated locally - passwords are never uploaded to a server
  • Secure random numbers - using crypto.getRandomValues()
  • MD5Compute - automatically generates the password’s MD5 value
  • Strength assessment - evaluates password security level in real time

Strong password traits

1

At least 8 characters long

Password length is a key factor in security. We recommend using at least 8 characters, with 16 or more being even safer.

2

No personal information

Avoid using all or part of your account name, name, birthday, or other personal information.

3

Mix character types

Include at least three of the following: uppercase letters, lowercase letters, digits, and special characters.

4

Change passwords regularly

Change your passwords regularly and use a different password for each site to avoid a chain reaction if one password is leaked.

Password security best practices

Password securityare the first line of defense for cybersecurity. A strong password effectively prevents common attacks such as brute-force and dictionary attacks. Follow password security best practices to keep your digital assets safe.。

Password strength level

Weak password

Trait: length<8characters or a single character type

Easily cracked, not recommended. Example:12345678、password、abcdefgh

Medium password

Feature: length 8-12 + 2 character types

Has basic security, suitable for low-risk scenarios. Example:Pass1234、abc123XYZ

Strong password

Feature: length 12-16 + 3 character types

Has high security, recommended for everyday use. Example:MyPass@2025、Secure#789

Very strong password

Feature: length >16 + 4 character types

Has very high security, suitable for important accounts. Example:Tr0ng@Pass#2025!Sec

Common password mistakes

❌ Using common passwords

Avoid common passwords like 123456 or password.

❌ Reusing passwords

Use a different password for each site to avoid a chain reaction.

❌ Including personal information

Do not include personal information such as your name or birthday in passwords.

❌ Simple, predictable passwords

Avoid predictable passwords like abc123 or qwerty.

❌ Storing passwords in plain text

Do not store passwords in plain text in insecure places.

❌ Sharing with others

Passwords are private and should not be shared with others.

Password management tips

🔒 Use a password manager

Use a professional password manager (such as 1Password or LastPass) to store passwords securely.

🔐 Enable two-factor authentication

Enable 2FA on supported sites to add an extra layer of security.

🔄 Change passwords regularly

Change passwords for important accounts every 3 to 6 months.

🛡️ Monitor account security

Review your account login history regularly and act promptly on anything unusual.