| Price from | $49/mo | $8.99/mo |
| Free plan | — | — |
| Free trial | Yes | Yes |
| Open source | — | — |
| Web | Yes | Yes |
| API | Yes | Yes |
| Self-hosted | Yes | — |
| Plans published | 3 | 11 |
| Spec score · HTML to PDF APIs | 8.3 (#7) | 8.4 (#6) |
| Spec score · PDF API Software | 8.3 (#12) | 8.4 (#9) |
| Compliance | DocSpring says it completed a SOC 2 Type II audit and is GDPR and HIPAA compliant; BAAs are available on request, and a BAA is required before submitting protected health information. | The security documentation states SOC 2 Type 2 compliance and AWS-hosted processing in SOC 1, SOC 2 and ISO 27001 certified data centers. |
| Free trial | 14 days | The homepage advertises a 10,000-credit, one-month free trial without requiring a credit card. |
| Integrations | The site lists integrations with AWS S3, Bubble, Zapier, n8n, Node-RED, and Parabola, plus REST API, client libraries, and webhooks. | Official integrations include Make, Zapier, n8n, SharePoint, Airtable, Salesforce, Power Automate, UiPath, Blue Prism, Bubble and others. |
| Key features | Fill PDF templates with JSON data through a REST API · Generate PDFs from HTML, CSS, and Liquid templates · Visual drag-and-drop PDF template editor · Batch generation of up to 50 PDFs per request · Synchronous and asynchronous PDF processing with webhooks · Combine PDFs from submissions, templates, uploaded files, and URLs · Automatically generated web forms and embedded forms · Electronic signatures with data requests and audit trails | PDF compression with low, medium, high, and aggressive presets · Advanced image, font, resolution, and quality controls for compression · Asynchronous processing with job-status checking for long-running documents · PDF conversion to and from formats including HTML, Excel, CSV, XML, JSON, and images · Document and PDF data extraction, including OCR and structured parsing · PDF editing, encryption, decryption, and form filling · PDF merging and splitting · Workflow integrations through Zapier, Make, n8n, and other platforms |
| 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. | PDF.co says it uses SSL/TLS and encryption at rest, and offers user-controlled AES encryption and decryption. |
| Support | Support is handled by DocSpring's engineers, and the company says fixes are usually deployed within days. | The company says customers can contact engineers who built the product and describes its customer service as developer-friendly. |