What You Know, Stays With You.

A 100% offline AI document assistant. Your documents, your models, your machine. No cloud. No accounts. No data leaves your computer. Ever.

Download Locke — $29.99Read the Docs
Locke
YouWhat are the key findings in the Q4 report?
Locke (llama3.1)

Based on your Q4 report, revenue grew 23% YoY driven by enterprise expansion. Customer retention hit 94%...

Q4-report.pdf p.12Q4-report.pdf p.28
43 file types
Vision model
100% offline
Cross-platform

Your Documents, Your Machine

Locke brings the power of RAG to your desktop without sending a single byte to the cloud.

100% Offline & Private

No cloud. No telemetry. No accounts. No data ever leaves your machine. AI inference runs locally through Ollama.

43 File Types

PDF, DOCX, XLSX, PPTX, CSV, HTML, images, and dozens more. If you can read it, Locke can index it.

Vision Model

Optional vision model extracts text from images and photos. Index screenshots, scanned documents, and diagrams alongside your other files.

Source Citations

Every answer is grounded in your documents with clickable source citations. Click a source to preview the original file.

Multiple AI Models

Choose from Llama 3.1, Mistral, Gemma, and more via Ollama. Switch models any time from Settings.

4 Color Themes

Cyan, Violet, Rose, and Amber. Pick the theme that fits your style. Cross-platform on Windows, macOS, and Linux.

See Locke in Action

Locke chat interface with source citations
Locke indexing documents from a folder
Locke settings with themes and vision prompt
Locke AI model selection

Three Steps. That's It.

The setup wizard handles everything. Add folders and start chatting.

1

Download & Launch

Install Locke and launch it. The setup wizard installs Ollama and downloads an AI model for you automatically.

2

Add Your Folders

Point Locke at folders containing your documents. PDFs, images, spreadsheets, code files — 43 file types supported.

3

Start Chatting

Ask anything about your documents. Locke retrieves the most relevant chunks and generates answers with clickable source citations.

One Price. Yours Forever.

No subscriptions, no recurring fees. Pay once and own it.

Locke

$29.99/ one-time

One purchase, all platforms. Lifetime updates included.

  • 100% offline — no cloud, no telemetry
  • 43 file types including images
  • Optional vision model for photos & scans
  • Multiple AI models via Ollama
  • Semantic search with source citations
  • 4 color themes
  • Cross-platform: Windows, macOS, Linux
  • Lifetime updates included
Download Locke

Ready to chat with your documents in private?

Download Locke, add your folders, and start asking questions. Everything stays on your machine.

Download Locke — $29.99

$29.99 one-time purchase · No subscription · Windows, macOS & Linux