Free Online Tools
A collection of free online tools for developers, security professionals, and everyday users. Fast, secure, and easy to use.
Categories
All Tools
JSON Formatter
Format, validate, and beautify your JSON data
XML Formatter
Format, validate, and compress your XML data with syntax highlighting
Password Generator
Create secure passwords with customizable options
Image Compressor
Compress JPG, PNG, WebP images without losing quality. Batch process multiple images with adjustable compression levels.
Regex Tester
Test regular expressions in real-time with highlighting and detailed match information
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.
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.
UUID Generator
Free online UUID generator. Generate multiple unique identifiers with options for uppercase/lowercase formatting.
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.
Online Timer
Set countdown timers with customizable time, sounds, and notifications. Track your productivity with timer history.
Online Alarm Clock
Set alarms for specific times with customizable sounds and notifications. Track your alarms with history and export functionality.
Why Use Our Tools?
Privacy Focused
All processing happens in your browser. Your data never leaves your device.
Fast & Free
No registration required. Fast processing with no hidden costs.
Mobile Friendly
Works seamlessly on desktop, tablet, and mobile devices.