| What it does | Digital PDF signatures for macOS
| Convert Markdown to beautifully styled PDFs right in your browser, free and private
|
|---|
| Stage | Not given
| Not given
|
|---|
| Founded | Not given
| Not given
|
|---|
| Based in | Not given
| US
|
|---|
| Pricing model | Freemium
| Free
|
|---|
| Pricing | Create your first 5 signatures free, then unlock unlimited signing with a one-time purchase
| Not given
|
|---|
| 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
| - Multiple document styles (Classic, Modern, Academic, Report, Résumé, GitHub)
- Syntax highlighting for dozens of programming languages
- Tables and task lists
- Footnotes support
- Math formulas
- Mermaid diagrams
- Image embedding from web URLs
- Page break customization
- Desktop app installation for offline use
|
|---|
| 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
| - Completely private—conversion happens entirely in your browser with no uploads
- Professional typography with proper page margins and page numbers
- Free with no account, limits or watermarks
- Installable as an offline-capable desktop app
- Uses browser's native PDF engine for sharp output
|
| Community votes | 0 | 0 |
| DR (Domain Rating by Ahrefs) | 37 ● no change since last check | 6 ● no change since last check |
| Trust Flow (Majestic) | 7 | 0 |
| Citation Flow (Majestic) | 16 | 13 |
| Referring domains (Majestic) | 5 | 1 |