Umbrella: Offline AI Chat LLM

Umbrella — Offline AI & LLM Run powerful AI models directly on device. No internet. No cloud. No tracking. Just fast, private, fully offline AI chat — always under your control. Umbrella brings cutting edge open source AI to Android without compromising privacy, security, or performance. Run Any Model You Want Umbrella supports GGUF and LiteRT model formats — two of most widely used formats in open source AI community. Load any compatible model and start chatting instantly. No subscriptions. No API keys. No limits. Whether you want small fast models for quick responses or large powerful models for complex reasoning — Umbrella handles it all. Your device, your rules. Built-in Download Manager Browse and download GGUF and LiteRT models straight from Hugging Face — world's largest open source AI model hub. No manual file transfers. No third party tools. No complicated setup. Just search, tap, download, and run. Download manager handles everything in background — track progress, pause, resume, and manage downloads all from within Umbrella. Recommended Models Not sure which model to pick? Umbrella's curated Recommended Models section takes guesswork out. Handpicked selection of best performing models — tested and optimized for mobile hardware. Whether looking for general purpose chat, coding assistant, reasoning model, or creative writing companion — recommended section has right model for you. Model Manager & Switcher Manage all downloaded models in real time. Delete, organize, and switch between models without restarting app. Model switcher lets you jump between models mid-session — perfect for testing or matching right model to right task. Model manager gives full visibility into storage usage, model size, format, and status. Themes & Personalization Umbrella isn't just powerful — it's personal. Choose from handcrafted themes including Default, Cyberpunk, Apocalypse, Forest, Midnight, Cute and more. Every theme designed to give unique visual identity while keeping interface clean and distraction free. More themes added regularly based on community feedback. Privacy by Design Umbrella was built with one core belief — your conversations are yours. No data ever leaves your device. No accounts required. No analytics. No telemetry. No hidden data collection. Your prompts, conversations, and models — stored locally, never transmitted, never sold, never seen by anyone but you. True privacy is not feature in Umbrella — it is foundation. Who Is Umbrella For Privacy-conscious users who want AI without surveillance. Developers and researchers testing open source models on real mobile hardware. Students and professionals who need reliable AI that works without internet. Travelers and users in low connectivity areas. Anyone tired of cloud-dependent, subscription-locked AI tools that treat users as product rather than customer. Why Umbrella No internet required after model download. No monthly fees. No data collection. No account creation. No API keys. No prompt logging. Just powerful, private, offline AI — right in your pocket, available anywhere, anytime, with or without signal. Supported Formats GGUF — industry standard for quantized large language models. Compatible with thousands of models on Hugging Face ranging from 1B to 70B parameters. LiteRT — optimized for on-device inference on mobile hardware. Fast, efficient performance on Android without draining battery. Download Umbrella. Run AI offline. Own your data. No cloud. No compromise.

Whats new ---- - Import models from your device's storage - Save model to your device's storage - Solved gpu vulkan backend not showing error -> Select Vulkan backend in model settings to use layer settings else layer will be set to 0 if auto/cpu is used by default - Added System Prompt config option for model - Multiple Themes -> Material Dark -> Material Light -> VSCode Dark -> VSCode Light -> Solarized Dark -> Solarized Light And many more .....