Offline AI chatbot in your browser — download once, chat forever
Calculator / Reminders / Timer / Clock / Unit Converter
Chat / Writing / Translation / Summarize / Code
Latest news / Precise data / Medical / Legal / Financial
Web search / Send emails / Control device / Generate images
About this tool
A fully offline AI assistant that runs in your browser. Download model once, then chat without internet. No API, no signup, 100% private.
What Is the Local AI Assistant?
The Local AI Assistant is a free browser-based AI tool that performs local AI assistant tasks entirely on your device using in-browser machine learning models. Unlike cloud-based AI services that send your data to remote servers for processing, this tool downloads the model once and then runs completely offline — your text, images, or documents never leave your browser. The AI engine uses optimized WebAssembly and WebGL for near-native inference speed. It supports offline AI chatbot capabilities and handles multi-language input. No API key, no account, no subscription — the tool is completely free with no usage limits.
Who Should Use This Tool?
Content creators use this tool for local AI assistant tasks without worrying about their drafts being stored on third-party servers. Professionals in regulated industries (legal, healthcare, finance) use it to process sensitive offline AI chatbot data while maintaining client confidentiality. Students use it as a free alternative to paid AI services for learning and research. Developers integrate browser AI assistant capabilities into their workflows without API costs. Privacy-conscious users prefer it over cloud alternatives because there is no telemetry, no logging, and no data retention. The tool is especially valuable in regions with limited internet connectivity after the initial model download.
How to Use the Local AI Assistant
The first time you use the tool, it downloads the AI model (typically 20-80MB depending on capability). After that, it works fully offline. For local AI assistant tasks, enter or paste your input text into the editor. Select your desired options — tone, style, language, or output format. Click the generate button and the AI processes locally, typically returning results in 2-10 seconds depending on input length and model size. Results appear in the output panel where you can edit, copy, or download them. Your input and output are never transmitted or stored on any server.
Frequently asked
Does the AI assistant work without an internet connection?
Yes. After the initial model download (0.8-2GB depending on model choice), all inference runs locally in your browser via WebLLM and WebGPU. No internet is needed for conversations. Your chat history never leaves your device—no API calls, no telemetry, no cloud dependency. Ideal for air-gapped environments and privacy-sensitive use.
Which models are available and what are their sizes?
Three options: Llama-3.2-1B (fastest, ~0.8GB download, good for simple Q&A), Llama-3.2-3B (recommended balance, ~2GB, handles complex reasoning), and Phi-3.5-mini (~2GB, strong at code and math). All run at 10-30 tokens/second on a modern GPU. Models are cached after first download for instant subsequent loading.
How does it compare to ChatGPT or Claude?
It runs 1B-3B parameter models locally versus 100B+ parameter cloud models, so it cannot match their reasoning depth or knowledge breadth. The trade-off is absolute privacy: your conversations are physically incapable of leaving your device. Best suited for drafting, brainstorming, calculations, and tasks where data sensitivity outweighs the need for frontier-model capability.
Related tools
Why did the fish blush?
No paywalls, no signups, no data sold. Built by a solo developer who believes useful tools should be accessible to everyone.
☕Support me on Ko-fi— keep tools free100% of proceeds go towards hosting & building more free tools.