Giới thiệu

WebTool là bộ sưu tập các công cụ trực tuyến miễn phí dành cho nhà phát triển, bao gồm các tiện ích mã hóa (encoding), mật mã (cryptography), xử lý JWT, hình ảnh và nhiều hơn nữa.

Your Privacy-First Developer Toolkit

Astro Web Tools is a comprehensive, open-source collection of utilities designed for developers, security professionals, and digital creators. Built with performance and privacy at its core, we provide essential tools that run entirely in your browser.

100% Client-Side Lightning Fast Works Offline Free & Open Source
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Why Choose Us?

Privacy First

All operations happen locally in your browser. Your data never leaves your device, ensuring complete confidentiality for sensitive information.

High Performance

Built with Astro's static site generation, our tools load instantly and perform complex calculations with native-like speed.

Accessible Anywhere

Responsive design that works seamlessly across desktop, tablet, and mobile devices. No installation or setup required.

Explore Our Toolkit

Popular Tools

  • QR Code Generator
  • Syntax Highlighting
  • S Notes (Secure Notes)
  • File & Folder Comparison
  • Calculator & Keyboard Test
  • Image Editing & Optimization

Hashing Algorithms

  • CRC Checksum
  • MD2, MD4, MD5
  • SHA-1, SHA-224, SHA-256
  • SHA-384, SHA-512 (including 224/256)
  • SHA3 Family (224/256/384/512)
  • Keccak (224/256/384/512)
  • SHAKE128, SHAKE256
  • cSHAKE128, cSHAKE256
  • KMAC128, KMAC256
  • RIPEMD (128/160/256/320)
  • BLAKE2b, BLAKE2s, BLAKE3

Cryptography

  • AES Encryption/Decryption
  • DES & Triple DES
  • RC4 Stream Cipher
  • RSA Key Generator & Signing
  • ECDSA Signatures
  • JWT Encoder/Decoder
  • JWT Libraries Reference

Encoding & Decoding

  • Hex (Base16)
  • Base32 & Base58
  • Base64 (Text & Files)
  • HTML Entities
  • URL Encoding
  • File Encoding Support

Format & Validation

  • JSON Validator & Formatter
  • JSON Minifier & Viewer
  • XML Validator & Formatter
  • SQL Formatter
  • Syntax Highlighting

Converters

  • Case Conversion (7 types)
  • Weight Converter
  • Length Converter
  • Temperature Converter
  • Currency Converter

Image Tools

  • Edit Image
  • Resize Image
  • Optimize Image
  • Crop & Rotate Image

Time Tools

  • World Clock
  • Stopwatch
  • Timer
  • Alarm

Ready to get started?

Explore the sidebar to find the tool you need or use the search bar for quick access.

Get in Touch

Have questions, suggestions, or want to report an issue? We'd love to hear from you!

Email Us

For general inquiries, ideas, or bug reports

service@webtool.center

GitHub Issues

Report bugs or request features

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