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6 hours ago
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Plug a USB drive and run a modern LLM on any PC locally with a double‑click.
No installation, no internet, no API, no Cloud computing, no GPU, no admin rights required.
Local LLM Notepad is an open-source, offline plug-and-play app for running local large-language models. Drop the single bundled .exe onto a USB stick, walk up to any computer, and start chatting, brainstorming, or drafting documents.
🔌 Portable
Drop the one‑file EXE and your .gguf model onto a flash drive; run on any Windows PC without admin rights.
🪶 Clean UI
Two‑pane layout: type prompts below, watch token‑streamed answers above—no extra chrome.
🔍 Source‑word under‑lining
Every word or number you wrote in your prompt is automatically bold‑underlined in the model’s reply. Ctrl+left click on them to view them in a separate window. Handy for fact‑checking summaries, tables, or data extractions.
💾 Save/Load chats
One‑click JSON export keeps conversations with the model portable alongside the EXE.
⚡ Llama.cpp inside
CPU‑only by default for max compatibility.
🎹 Hot‑keys
Ctrl + S to send, Ctrl + Z to stop, Ctrl + F to find, Ctrl + X to clear chat history, Ctrl + Mouse‑Wheel zoom, etc.
Download Local_LLM_Notepad-portable.exe from the Releases page.
Copy the EXE and a compatible GGUF model (e.g. gemma-3-1b-it-Q4_K_M.gguf) onto your USB.
Double‑click the EXE on any Windows computer. First launch caches the model into RAM; subsequent prompts stream instantly.
Need another model? Use File ▸ Select Model… and point to a different GGUF.
| Local_LLM_Notepad-portable.exe | Direct download (v1.0.1) | ~45 MB, contains everything needed to run LLM on Windows computer |
| gemma-3-1b-it-Q4_K_M.gguf | Hugging Face | Fast CPU model (~0.8 GB) we recommend for first-time users. Achieves ~20 tokens/second on an i7-10750H CPU  |
| Icon (optional) | Notepad icon PNG | Save as Icon.png next to the EXE and it will be used automatically |
Every word, number you used in the prompt is bold‑underlined in the LLM answer.
Ctrl + click any under‑lined word to open a side window with every single prompt that contained it—great for tracing sources.
$ git clone https://github.com/runzhouye/Local_LLM_Notepad.git
$ cd Local_LLM_Notepad
$ python -m venv .venv && ..venv\Scripts\activate
$ pip install -r requirements.txt
$ pyinstaller --onefile --noconsole --additional-hooks-dir=. main.py
