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日本語 Token/Secure Password Generator
Generate high-strength passwords with customizable length and character types, exclude ambiguous characters, and view real-time strength scoring for account security.
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Secure Password Generator is a browser-first utility for creating strong random passwords with practical control over length, character classes, and readability filters. It is designed for developers, security-conscious users, and operations teams who need quick password generation for account setup, testing environments, staging credentials, and temporary access workflows. The tool runs entirely on the client side, so generated passwords are never transmitted to a remote server.
You can configure password length from 4 to 50 characters, then choose which character groups to include: uppercase, lowercase, numbers, and symbols. For real-world usability, advanced options help avoid confusing or visually ambiguous characters. This is especially useful when passwords must be manually typed from screenshots, shared verbally, or entered on devices with poor typography.
A built-in strength indicator gives immediate feedback based on length and complexity. This encourages better choices while keeping the interface lightweight and fast. With one-click generation and clipboard copy, the workflow stays efficient for repeated operations.
Key Features
- Adjustable length (4–50 characters).
- Selectable character groups.
- Exclude similar characters.
- Exclude ambiguous symbols.
- One-click generation and copy.
- Real-time visual strength meter.
- Fully local execution in browser.
Best Practices
- Use 16+ characters for important accounts.
- Enable at least three character groups.
- Prefer symbols for high-risk credentials.
- Store generated passwords in a trusted password manager.
Last verified: 2026-04-03
Source: HMWCS/secure-password-generator