PDF24 Tools is 100% free ad-supported. Files are processed on PDF24 servers.
| Criterion | PDFX | PDF24 |
|---|---|---|
| Upload | No | Yes |
| Ads | No | Yes |
| Windows offline app | No (browser) | Yes (Creator) |
| File privacy | Maximum (local) | Deletion policy |
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Users who refuse upload and ads while editing confidential documents.