| Price from | $49/mo | $16/mo |
| Free plan | — | Yes |
| Free trial | Yes | — |
| Open source | — | — |
| Web | Yes | — |
| API | Yes | Yes |
| Self-hosted | Yes | — |
| Plans published | 3 | 5 |
| Spec score · HTML to PDF APIs | 8.3 (#7) | 8.0 (#16) |
| Intended users | The company identifies SaaS developers, agricultural software developers, and financial and legal businesses processing forms as users of DocSpring. | Doppio describes itself as a replacement for self-hosted Puppeteer, wkhtmltopdf, and fragile PDF libraries for teams automating document generation. |
| Product | DocSpring is a PDF automation API for developers to fill forms, generate documents, and collect e-signatures. | Doppio is a managed API that converts HTML, URLs, and saved templates into PDFs and PNG screenshots using Chromium. |
| Security | DocSpring says stored submission data is encrypted at rest with AES-256, stored files use AWS Key Management Service, and access is via TLS. | Doppio states that it is GDPR compliant, EU hosted, HDS certified, and renders each document in a sandboxed Chromium instance destroyed after processing. |
| Support | Support is handled by DocSpring's engineers, and the company says fixes are usually deployed within days. | The features page says live chat with the engineering team has an average response time under two hours. |
