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HomeArticles🕐 Time Converter📋 JSON Tools🖼️ Base64 Image🔑 Password Generator Cron Expression🔤 Case Converter📱 QR Code#️⃣ Hash🔡 Encoding🔍 Regex Tester⚙️ Config Convert🔐 Encrypt/Decrypt

ken 站长工具

Ken Webmaster Tools is a free online toolset for developers and webmasters. All tools run entirely in the browser — no backend server, no data upload. Currently offering 12 tools including timestamp conversion, JSON formatting & validation, Base64 image conversion, password generation, Cron expression parsing, case conversion, QR code generation, hash calculation, encoding conversion, regex testing, config format conversion, and AES/DES/RSA encryption/decryption. Covers everyday scenarios in development, deployment, and security.

12 tools

Popular Tools

Tool Categories

Development

JSON formatting & validation, regex testing, case conversion, encoding conversion — essential tools for daily coding.

Security & Encryption

Hash calculation, AES/DES/RSA encryption, password generator — for data protection and password management.

Format Conversion

Timestamp & date conversion, Base64 & image conversion, YAML/TOML/JSON config format conversion.

Utilities

QR code generation, Cron expression parsing — handy tools for everyday needs.

Use Scenarios

Web Development

Quickly format JSON during API integration, write and test regex patterns, convert naming conventions and URL encoding.

DevOps & Deployment

Convert timestamps to readable dates, parse Cron expressions, transform config files between YAML, TOML, and JSON.

Security Needs

Compute hashes for files and strings locally, encrypt sensitive configs with AES/RSA, generate strong random passwords.

Why Choose Us

Client-Side Processing, Privacy First

All computation happens in your browser. Your data never leaves your device — safe for handling code, configs, and sensitive keys.

Completely Free, No Sign-Up

All tools are free with no usage limits. No registration, no login, no configuration required. Just open and use.

Built for Developer Experience

Clean terminal-inspired UI, responsive design for desktop and mobile. Double-click to copy results, real-time preview, and more.

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