BlackTool Web App

All tools work offline in your browser

Multi-Tool Web App

Your all-in-one toolkit for text processing, file conversion, image editing, development utilities, and more. Privacy-first design - no data leaves your device.

Popular Tools

Word Counter

Popular

Count words, characters, and paragraphs in your text

QR Code Generator

Popular

Generate QR codes for text, URLs, and more

Image Resizer

Popular

Resize images while maintaining quality

JSON Formatter

Popular

Format and validate JSON data

Password Generator

Popular

Generate secure passwords with custom options

Tool Categories

Text Tools

5 tools

Word counter, case converter, and more text utilities

File Tools

4 tools

PDF conversion, QR codes, and file manipulation

Image Tools

3 tools

Resize, compress, and convert images

Developer Tools

7 tools

JSON formatter, regex tester, and dev utilities

Utility Tools

7 tools

Calculators, timers, and everyday utilities

Why Choose Our Tools?

🔒 Privacy First

Secure

All processing happens locally in your browser. Your data never leaves your device. No servers, no tracking, no data collection.

⚡ Fast & Efficient

Instant

No server delays. Tools work instantly without internet connection after loading. Optimized for performance and speed.

🎯 Easy to Use

Intuitive

Simple, intuitive interfaces designed for both beginners and professionals. No learning curve required.