| What it does | Digital PDF signatures for macOS
| Free image and PDF tools that process files in your browser without upload or account
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| Stage | Not given
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| Founded | Not given
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| Based in | Not given
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| Pricing model | Freemium
| Free
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| Pricing | Create your first 5 signatures free, then unlock unlimited signing with a one-time purchase
| All tools are free with no account, subscription or credit card required.
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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
| - Image crop, edit, compress and convert
- PDF organization, editing, signing and conversion
- Batch processing up to 20 images or 10 PDFs for merging
- File size limits of 25 MB per file, 60 MB total
- Support for JPG, PNG, WebP, GIF, BMP, SVG and TIFF formats
- PDF page operations up to 300 pages total
- AES-256 password encryption for PDFs
- No account or login required
- Download files individually or as ZIP archives
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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
| - Files process in your browser without uploading to any server
- All tools are completely free with no subscription or account required
- Honest limits disclosed upfront before choosing files
- No artificial intelligence or OCR, only practical file operations
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 37 ● no change since last check | Not checked yet ● no change since last check |
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| Trust Flow (Majestic) | 7 | 0 |
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| Citation Flow (Majestic) | 16 | 0 |
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| Referring domains (Majestic) | 5 | 0 |
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Tsubami