| What it does | Digital PDF signatures for macOS
| Free browser tool to compress PDFs to an exact size without uploading
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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
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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
| - Compress PDF to exact target size from 100 KB to 20 MB
- Convert camera RAW files to full-resolution JPG
- Batch processing with zip download
- Runs entirely in browser with no upload
- Adaptive page rendering with quality budget
- Works offline after first page load
- Supports RAW formats: ARW, CR2, CR3, NEF, DNG, ORF, RAF, RW2
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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
| - Browser-based so files never leave your device
- Truly free with no trial, subscription, watermark or daily quota
- Lossless rebuild runs first to preserve quality
- Reports honest final size when target cannot be reached
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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 | 1 |
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| Referring domains (Majestic) | 5 | 1 |
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MillFile