Private Toolbox

Toolbox Labs

About this app

Private Toolbox is your ultimate collection of professional tools that work completely offline. All tasks are processed on your device, ensuring total privacy: your data never leaves your phone.

🤖 OFFLINE AI
• Local AI Chat - Chat with a private on-device AI assistant. The model runs entirely on your phone — your conversations never leave your device and no account is required.

🗂️ DOCUMENT TOOLS
• QR Code Scanner - Read any QR code or barcode instantly
• QR Generator - Create custom QR codes for URLs, text, contacts and more
• Image to PDF Converter - Convert photos into professional PDF documents
• PDF Tools - Merge, split and edit PDF files without limits
• Document Scanner - Digitize physical documents with automatic edge detection

🖼️ MEDIA TOOLS
• Image Compressor - Reduce photo size without losing quality
• Image Resizer - Adjust dimensions and resolutions easily
• Image Format Converter - Convert images between PNG, JPG, WebP and more
• Color Picker - Extract color codes (HEX, RGB)

🔧 UTILITY TOOLS
• Unit Converter - Convert lengths, weights, temperatures, volumes and more
• Calculator - Advanced scientific calculator
• Graphing Calculator - Plot functions and visualize mathematics
• Number Base Converter - Convert between binary, decimal, hexadecimal and octal
• Flashlight - Quick control of your device's flashlight

📝 TEXT TOOLS
• Text Counter - Count words, characters, lines and paragraphs
• Text Case Converter - Transform text between different formats
• Hash Generator - Create MD5, SHA-1, SHA-256 and SHA-512 hashes
• Base64 Encoder - Encode and decode text in Base64

⚡ PRODUCTIVITY TOOLS
• Notepad - Take quick notes
• Timer & Stopwatch - Manage your time efficiently

✨ KEY FEATURES
✓ 100% OFFLINE - Works without an internet connection (only required to download AI models)
✓ TOTAL PRIVACY - Your data, including AI chats, never leaves your device
✓ NO ADS, NO TRACKERS - Clean, distraction-free experience
✓ MODERN INTERFACE - Intuitive and easy-to-use design
✓ MULTILINGUAL - Available in 11 languages
✓ FREE - All tools at no cost

🔒 PRIVACY GUARANTEED
Unlike other apps, Private Toolbox processes everything locally on your device. We don't collect data, don't track your activity, and don't require user accounts. Even the AI assistant runs entirely on your phone — your conversations are yours alone. Your information stays private and secure.

Download Private Toolbox now and carry all essential tools in your pocket.

What’s new

• Smarter local AI chat: more reliable answers, better memory of the conversation, and no more freezing during long chats. Added the smarter Qwen 2.5 1.5B model.
• Document Scanner & Image to PDF: new "Scan" filter (color and B&W) that makes paper bright white like a real scanner.
• Fixed angled crops — documents are no longer stretched or squashed.
• Faster, smoother filters.
Thanks for using Private Toolbox!