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Elephas

Free

Personal AI writing assistant for the Mac.

FreeFree tier
Outputs: text
Type
Open Source
Founded
2021
Company
Liberation Softwares LLP
Visit Website GitHub (40 stars)

About Elephas

Elephas is a private AI assistant designed for Mac users who handle sensitive or confidential documents. It indexes files locally on the device, automatically redacts 28 types of sensitive data (e.g., names, emails, SSNs) before any cloud AI processing, and offers a fully offline mode for maximum privacy. Users can create 'Super Brains'—knowledge bases built from their own PDFs, notes, contracts, and other documents—to ask questions, generate summaries, and extract insights with citations. Elephas integrates with Apple Notes, Notion, Obsidian, Zoom transcripts, and 20+ other formats. Trusted by over 3,000 professionals in legal, finance, consulting, and research. Founded in 2021 by Liberation Softwares LLP, based in Chennai, India.

Key Features

100% local indexing of documents on your Mac
Automatic redaction of 28 types of sensitive data before cloud calls
Fully offline AI mode (no data leaves the device)
Super Brains: chat with your own knowledge base from files
Zero data retention cloud AI option
Integrations with Apple Notes, Notion, Obsidian, Zoom transcripts, and 20+ formats
Full redaction inspector (Pro+ plan) with detailed visibility
Answers grounded in your files with citations
Works with PDFs, Word docs, Markdown, notes, and more

Pros & Cons

Pros
  • Privacy-first: data stays on your Mac or is redacted before cloud use
  • Fully functional offline mode for air-gapped workflows
  • Automatically redacts 28 sensitive data types, reducing compliance risk
  • Creates persistent knowledge bases (Super Brains) from your files
  • Citations provided for each answer, increasing trust
  • Integrates with popular note-taking and document tools
  • Trusted by over 3,000 professionals with high ratings
Cons
  • Currently macOS only (requires macOS 13+)
  • Free plan limited to 20 credits per month
  • Advanced redaction visibility only on Pro+ plan
  • Cloud AI processing (even with zero retention) may still be undesirable for some users

Best For

Client engagements under NDA for consultantsLegal research and contract analysis for lawyersTax memos, audit prep, and client returns for accountantsResearch libraries and unpublished papers for academicsClient portfolios and planning for financial advisorsPrivate notes and journals with full privacySummarizing proposals, deliverables, and confidential material

FAQ

How does Elephas protect sensitive data?
Elephas automatically redacts 28 entity types (names, emails, phone numbers, addresses, SSNs, financial details, etc.) from your documents before they reach any AI model. Indexing always happens locally on your Mac. You choose whether AI runs offline, through built-in cloud AI with zero data retention, or with your own API keys.
Can I use Elephas without sending anything to the cloud?
Yes. Elephas supports fully offline AI using local models. You can run 100% offline with no data leaving your device. A guide is provided to set this up.
Does Elephas work with my own files and notes?
Yes. Elephas works with PDFs, Word docs, Markdown files, Apple Notes, Notion pages, Obsidian vaults, Zoom transcripts, and 20+ other formats. All indexing happens locally on your Mac.
Is there a free version?
Yes. The free plan includes 20 credits per month with the built-in Elephas AI engine. You can upgrade when ready. No credit card required for the 7-day Pro trial.
How many credits do I get on each plan?
Credits power the built-in Elephas AI engine. Each plan refreshes monthly. Standard ($19/mo), Professional ($39/mo), and Pro+ ($49/mo) have increasing credit limits. Maximum usage comes under Fair Usage Policy.