PDF Pals

freemium

Chat with any PDF on your Mac using AI. PDF Pals is a native macOS app with no file size limit, full privacy, OCR support, and local data storage. No uploads required.

Summarizers

PDF Tools

Document AI Tools

About

PDF Pals is a lightweight, native macOS application that brings AI-powered chat to your PDF documents without sacrificing privacy or performance. Unlike browser-based PDF chat tools, PDF Pals runs entirely on your Mac, meaning your files never leave your device and no cloud vector database is required. Simply open any PDF and start asking questions — there is no file size limit. The app is built with performance in mind: it is a true native macOS app (not an Electron wrapper), supports macOS Ventura 13 and above, and includes a powerful OCR engine to handle scanned PDFs and complex forms. PDF Pals is flexible with AI providers, supporting OpenAI, Azure OpenAI Service, and OpenRouter, so users can bring their own API key or rent one through the app. Your API key is stored securely in the Apple Keychain, there are no in-app analytics, and all chat history and training data are stored locally for easy backup. Users can customize AI model settings and system prompts to fit their workflow. PDF Pals is ideal for researchers extracting insights from academic papers, legal professionals reviewing contracts, software developers navigating technical documentation, HR professionals analyzing policy documents, and anyone who regularly works with PDFs and wants faster, smarter access to their content.

Key Features

Private & Local Processing: All documents stay on your Mac. No files are uploaded to the cloud, and chat data is stored in a local SQLite database — ensuring full privacy and easy backups.
No File Size Limit: Unlike many web-based PDF tools, PDF Pals imposes no file size restrictions, making it suitable for large documents like books, legal filings, or lengthy reports.
OCR for Scanned PDFs: A built-in OCR engine processes scanned PDFs and complex forms, allowing you to chat with documents that aren't natively text-selectable.
Flexible AI Provider Support: Connect PDF Pals to OpenAI, Azure OpenAI Service, or OpenRouter using your own API key, giving you control over cost, model selection, and data governance.
Native macOS Performance: Built as a true native macOS app (not Electron), PDF Pals is fast, lightweight, and integrates naturally with macOS Ventura 13 and above.

Use Cases

Researchers and academics extracting key information from papers, journals, and e-books to accelerate literature reviews.
Legal professionals reviewing contracts, case files, and legal documents to quickly surface relevant clauses and summaries.
Software developers querying technical documentation, API references, and specification PDFs without reading them end-to-end.
HR professionals analyzing policy documents, employee handbooks, and compliance materials for quick answers.
Students studying from textbooks and lecture notes by asking AI-powered questions directly within the document.

Pros

Strong Privacy Guarantees: No cloud uploads, no in-app analytics, and API keys secured in Apple Keychain make PDF Pals one of the most privacy-respecting PDF AI tools available.
No File Size Restrictions: Handles PDFs of any size, which is a significant advantage over web-based competitors that cap uploads at a few MB or a limited number of pages.
Multi-Provider Flexibility: Support for OpenAI, Azure OpenAI, and OpenRouter gives users freedom to choose their preferred model and manage their own API costs.

Cons

macOS Only: PDF Pals is exclusively available on macOS (Ventura 13+), with no Windows, Linux, iOS, or web version currently offered.
Requires Your Own API Key: While API key rental is available, most usage depends on having (and paying for) your own API key from a supported AI provider, adding an ongoing cost.