| Price from | — | $8.99/mo |
| Free plan | — | — |
| Free trial | — | Yes |
| Open source | — | — |
| Web | — | Yes |
| macOS | Yes | — |
| Linux | Yes | — |
| API | Yes | Yes |
| Plans published | 0 | 11 |
| Spec score · OCR API Software | 7.5 (#22) | 8.4 (#8) |
| Integrations | The documentation lists eScriptorium, OCR4all, the OCR-D suite, and arkindex by Teklia as applications or suites integrated with Kraken. | Official integrations include Make, Zapier, n8n, SharePoint, Airtable, Salesforce, Power Automate, UiPath, Blue Prism, Bubble and others. |
| Purpose | Kraken is an open-source automatic text recognition system optimized for historical documents and non-Latin scripts. | PDF.co provides low-code REST APIs to automate PDF conversion, editing, extraction, and related document workflows. |
| Support | The project welcomes feedback, pull requests, bug reports, and feature suggestions through its GitHub repository. | The company says customers can contact engineers who built the product and describes its customer service as developer-friendly. |