JustUtil - Your All-in-One Web Tools Collection
A comprehensive suite of free online tools for developers and professionals. Validate, convert, encode, and format your data with ease.
💻Development Tools
JSON Formatter
Format, validate, and beautify your JSON data
XML Formatter
Format, validate, and compress your XML data with syntax highlighting
Regex Tester
Test regular expressions in real-time with highlighting and detailed match information
Code Formatter
Format code in multiple programming languages with syntax highlighting
Base64 Encoder/Decoder
Encode text to Base64 and decode Base64 to text instantly
QR Code Generator & Reader
Generate and read QR codes instantly. Free online QR code generator and reader tool.
UUID Generator
Free online UUID generator. Generate multiple unique identifiers with options for uppercase/lowercase formatting.
🔒Security Tools
Password Generator
Create secure passwords with customizable options
MD5 Encryptor
Free online MD5 encryptor. Generate MD5 hash values with 32-bit and 16-bit uppercase and lowercase outputs.
Symmetric Encryption Tool
Free online symmetric encryption tool. Encrypt and decrypt data using AES, DES, TripleDES, RC4, and Rabbit algorithms with custom keys.
Hash Tool
Free online hash generator. Create MD5, SHA1, SHA256, SHA512, and HMAC hashes instantly with custom keys for HMAC algorithms.
🖼️Media Tools
Image Compressor
Compress JPG, PNG, WebP images without losing quality. Batch process multiple images with adjustable compression levels.
Image Format Converter
Convert images between JPG, PNG, and WEBP formats. Batch process multiple images with drag and drop support.
Image Resizer
Free online image resizer. Resize images while maintaining aspect ratio or customize dimensions. Download resized images instantly.