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Trình kiểm tra độ mạnh mật khẩu

Password strength checker: evaluate length and complexity with crack time and tips locally offline for safety, with one-click copy and multilingual.

Cách sử dụng

Nhập mật khẩu, cấp độ mạnh, giá trị entropy và thời gian phá ước tính sẽ hiển thị theo thời gian thực, đồng thời đưa ra gợi ý cải thiện.

Overview

Password Strength Checker is a generator tool that Password strength checker: evaluate length and complexity with crack time and tips locally offline for safety, with one-click copy and multilingual. It runs 100% in your browser with no upload, so you get instant results with privacy. Whether you need a quick answer or batch processing with precise control, you can enter, validate and export in seconds. The UI is responsive on mobile, tablet and desktop and supports one-click copy.

Use cases

  • Create UUIDs and short strings
  • Mock data for testing
  • Generate strong passwords
  • Raffle and random picks
  • Use it to cross-check “密码强度、password strength” in reports, docs or APIs to avoid manual conversion errors

How to use

  1. 1 Choose type and quantity
  2. 2 Set length/charset rules
  3. 3 Preview and lock/exclude items
  4. 4 Copy or export CSV/TXT

Highlights

  • Local & private: processing stays in your browser
  • Live validation with tolerant parsing
  • One-click copy and export for docs, code or sheets
  • Batch and offline support under poor network

Notes

  • Uses Crypto API
  • Batch export in chunks for thousands
  • Mock data for testing only

FAQ

Reproducible?
Fix seed or export log if needed.
How random?
crypto.getRandomValues with system entropy.
How is Password Strength Checker different?
It runs locally with a focus on speed and privacy, plus tolerant parsing for “密码强度、password strength” and one-click copy for reuse.
Can I use results in official reports?
Use it as a working draft and cross-check with authoritative sources; keep the exported log and parameters for traceability.
Tip：Tip: Bookmark this page or pin the tab; find related tools via categories and search (convert → calculate → export).
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All calculations run locally in your browser; nothing is uploaded.