| What it does | Digital PDF signatures for macOS
| AI tool that summarizes PDF files and analyzes documents faster through AI-powered chat
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| Stage | Not given
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| Founded | Not given
| 2023
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| Based in | Not given
| CY
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| Pricing model | Freemium
| Freemium
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| Pricing | Create your first 5 signatures free, then unlock unlimited signing with a one-time purchase
| Free: first PDF summary and up to three chat questions. Paid plans available for unlimited access.
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| Key features | - Keychain signing with support for CryptoTokenKit smart cards
- Visible signature with optional image, signer name, and signing time
- RFC 3161 timestamping and long-term validation (LTV)
- Signature inspection with status, certificate chains, and DSS material review
- Multiple signatures as independent document revisions
- Local document processing without server uploads
- Support for PAdES-B-B, PAdES-B-T, PAdES-B-LT, and PAdES-B-LTA profiles
| - AI-powered PDF summarization that extracts key points automatically
- Interactive AI chat to ask follow-up questions about document content
- Support for 90+ languages for summarization and chat
- Multiple AI model selection including Claude, GPT, and Gemini
- Upload 14 different file formats including PDF, Word, PowerPoint, images, and e-books
- Structured summary output with key points and bullet-point format
- File history tracking with saved summaries in left-hand panel
- Works across all devices and operating systems with no software installation
- Processes entire documents page-by-page without content length limits
- Industry-standard security with SSL encryption and Google Safe Browsing verification
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| What makes it different | - Real digital signatures that preserve original PDF bytes, not just image stamps
- Incremental PDF updates preserve existing signatures as independently verifiable
- All document processing stays local without server uploads
- Works with macOS Keychain and supported smart cards without PKCS#11 limitation
- Verification always unlimited while signing has free tier option
| - First summary and three chat questions are completely free with no credit card required
- Choice of latest AI models allows users to optimize results for their specific document type
- Structured summary format with key points and bullets is more actionable than free-form answers
- Integrated into broader PDF Guru platform for file conversion, compression, editing and e-signing
- Supports 14 file formats and handles scanned documents through OCR technology
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 37 ● no change since last check | 66 ● no change since last check |
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| Trust Flow (Majestic) | 7 | 33 |
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| Citation Flow (Majestic) | 16 | 45 |
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| Referring domains (Majestic) | 5 | 1604 |
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