| Feature |
Free |
Standard |
Premium |
| Create PDF from any application that can print1 |
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| Integration with Microsoft Word and Excel |
|
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| Supports PDF 1.3, 1.4, 1.5, and PDF/X standards |
|
|
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| ZIP, JPEG, and JPEG 2000 image compression |
|
|
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| Batch conversion to PDF |
|
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| Stamp |
|
|
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| Watermark |
|
|
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| File attachments |
|
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| Encryption |
|
|
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| Citrix and Terminal Services support |
- |
|
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| Technical support |
- |
|
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| Can output PDF/A-1a and PDF/A-1b compliant files |
- |
|
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| Digital signatures |
- |
|
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| Shared printer |
- |
|
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| Prepare client install |
- |
|
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| Watched folders1 |
- |
|
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| Watched POP3 e-mail2 |
- |
|
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| Unattended SDK/API access |
- |
|
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| Unattended conversion through a Windows Service |
- |
- |
|
| PDF conversion through a standard web browser |
- |
- |
|
| PDF conversion through a SOAP call |
- |
- |
|
