À propos
WebTool est une collection d'outils en ligne gratuits pour les développeurs, comprenant des utilitaires pour l'encodage, la cryptographie, le traitement JWT, les images et bien plus encore.
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
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.