Private AI Toolbox

Private AI Toolbox is your suite of AI-powered tools that runs directly on your device, with complete privacy.

TOOLS INCLUDED:

Languages

Multilingual Translator (EN, IT, ES, FR, DE, PT)
Language Practice: interactive exercises with 6 modes (translation, Q&A, fill-in-the-blank, vocabulary, conjugation, free conversation)
Synonyms: find alternative translations with usage examples
Image Translator: take a photo and translate the text with AI vision
Idioms & Expressions: discover idiomatic ways to say things in other languages
Productivity

Text and PDF document summarizer
Text rewriter with tone control (formal, informal, simplified)
Grammar checker with explanations
Email composer from key points
Info extractor (dates, names, action items from text)
Content

Summarize YouTube videos from captions
Summarize web articles and pages
Study

Generate flashcards from notes and PDFs
Interactive quiz with scoring
Personal

Private diary with mood tracking
Chat with your diary: AI finds patterns and recurring themes
Full AI chat with vision, documents and voice input

PRIVACY FIRST:

On-device AI: Qwen 3.5 models (0.8B-9B) via llama.cpp
Optional cloud: Google Gemini API only if you set it up
Offline voice transcription with Whisper
Zero telemetry, zero analytics, zero ads
No account required
Your data NEVER leaves your device
Requirements: Android 12+, at least 4GB RAM for base models