| What it does | Merge PDFs locally and securely in your browser without uploads or registration
| Digital PDF signatures for macOS
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| Stage | Not given
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| Founded | Not given
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| Based in | DE
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| Pricing model | Free
| Freemium
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| Pricing | Completely free with no limits, no subscriptions, no ads, no watermarks
| Create your first 5 signatures free, then unlock unlimited signing with a one-time purchase
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| Key features | - Drag and drop file sorting
- Local browser-based merging with WebAssembly
- No watermarks on merged PDFs
- Combine PDFs and image files together
- Compress merged PDF to target file size
- No registration required
- No tracking cookies
- Dark mode support
- Mobile-optimized responsive design
- Offline capable after initial load
| - 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
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| What makes it different | - DSGVO-compliant and safe for sensitive documents like applications and contracts
- Completely free forever with no limits, ads, or hidden fees
- Servers located in Germany with TLS encryption
- Open source code publicly available on multiple platforms for transparency
| - 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
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 39 ● no change since last check | 37 ● no change since last check |
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| Trust Flow (Majestic) | 13 | 7 |
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| Citation Flow (Majestic) | 29 | 16 |
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| Referring domains (Majestic) | 233 | 5 |
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pdfzus