Windows · macOS

Legal Vault AI comes to your vault.

Search, analyze, and draft across thousands of case files — on your own machine.

Runs only on your PC Nothing sentwithout consent Offline AIsupport
Legal Vault app workspace screen

Default work stays off our servers. Your documents stay on your computer.

Storage, search, and analysis run on your PC. Backup and sharing transfer files only when you explicitly choose them.

Other Cloud Services
PC
Cloud
AI

Files sent to external servers

Legal Vault
HDD
Index
AI

Files never leave your PC

Structural Security

Default work runs without server upload.

Document storage, search, and analysis happen on your PC. Cloud backup and sharing transfer files only when you choose and consent to those features.

  • All documents stored locally on your PC
  • Backup and sharing transfer only with explicit consent
  • Cloud features stay off until explicitly enabled
Source Verification

AI answers show clear source evidence

Cited files and source passages appear beside the answer, so you can open the underlying material and verify where each claim came from.

  • Show source files and quoted passages with each answer
  • Compare the original document and AI response in one view
  • Designed so unsupported answers are not taken on trust
Legal Vault AI answer with source citations
Legal Vault sensitive data masking review
Sensitive Data Protection

Review sensitive information before Cloud AI

When a task needs Cloud AI, Legal Vault detects likely personal data before anything is sent and lets you review the masked preview first.

  • Flag likely sensitive data such as phone numbers before transfer
  • Compare the original and masked preview side by side
  • Send only the content the user approves to Cloud AI
Closed beta scope

Use verified AI, then protect sensitive data first

This section reflects the model selection and pre-transfer protection currently available in the closed beta.

AI model selection Gemini 3 family

Choose from verified Gemini 3 models

Legal Vault exposes only vetted Cloud AI models in beta. During the closed beta, users can select Gemini 3 family models.

  • Gemini 3.5 Flash
    Suited for fast Q&A and document exploration
    Beta
  • Gemini 3.1 Pro
    Suited for deeper legal document analysis and drafting
    Beta
Sensitive data protection Review before sending

Detect and mask before Cloud AI transfer

When you use cloud AI, Legal Vault detects likely sensitive data such as ID numbers, phone numbers, addresses, and email addresses before anything is sent.

  1. 1 Automatic detection Documents and questions are scanned for likely personal data before transfer.
  2. 2 User review You review the masking preview and decide what can be sent.
  3. 3 Masked transfer Only confirmed, masked content is sent to Cloud AI.
  4. 4 No AI training Documents, queries, and conversations are not used to train AI models.

For matters that require full network isolation, keep Cloud AI disabled and work in offline mode.

Closed beta free trial

During the closed beta, the free trial lets you try Cloud AI and local LLM together.

Free Trial

Try Cloud AI and local LLM for 48 hours — no payment required.

₩0 48 hours
  • Cloud AI + local LLM trial
  • 50 Gemini 3 Cloud AI units
  • Local LLM download and runtime trial
  • No credit card needed

Frequently asked questions

Are my documents sent to external servers?
No. All documents and indexes stay on your PC. Cloud features are disabled by default and require explicit consent before transfer.
Is my data safe when using cloud AI?
When using cloud AI, personal information is detected and a masking preview is shown. Nothing is sent until you review and confirm.
What file formats are supported?
PDF, DOCX, HWP/HWPX, XLSX, PPTX, RTF, HTML, CSV, TXT, EPUB, and more — over 15 formats. Scanned PDFs are processed with OCR.

Get started for free

Install and start using immediately. No account or payment required.

Installed on your PC. Runs on your PC.