| Price from | €19/mo | $9/mo |
| Free plan | Yes | Yes |
| Free trial | — | — |
| Open source | — | — |
| Web | Yes | Yes |
| API | Yes | Yes |
| Self-hosted | — | Yes |
| Plans published | 5 | 6 |
| Spec score · HTML to PDF APIs | 8.1 (#11) | 8.1 (#13) |
| Integrations | The homepage lists REST API and SDKs, CLI, MCP, spreadsheets, n8n, Zapier and Make as ways to use Formfeed. | The service exposes a REST API and supports polling or HMAC-signed completion webhooks for batch jobs. |
| Intended users | The homepage presents Formfeed for developers generating consistent documents from backends, no-code automations or AI agents. | The site presents KimiDoc for payroll and HR, banking and finance, healthcare, government, legal services, logistics, retail, and education document workloads. |
| Product | Formfeed turns JSON into PDFs and images using templates, and also supports tagged Word and PowerPoint files. | KimiDoc is an HTML-to-PDF REST API for generating documents such as invoices, payslips, statements, certificates, and labels. |
| Security | The maker says API keys are stored as hashes, download links are signed and expire, and data is encrypted in transit with TLS 1.2+ and at rest. | The site says self-hosted deployments have no telemetry or licence check-in, can run air-gapped, and keep documents on hardware controlled by the customer. |
| Support | The pricing page lists Community support for Free, Email for Starter, Email with a 1-business-day response for Pro, and Priority with a 4-hour response for Business. | The Starter plan includes email support and the Business plan includes priority support. |
| Templates | HTML templates can use Jinja2, Liquid or Handlebars, and image templates can be designed on a canvas. | Templates use plain HTML and CSS with data placeholders, and the site offers more than 100 editable starter templates across 20 categories. |