NextPDF Core
Apache-2.0The open-source PDF 2.0 engine.
Free, forever
- ISO 32000-2 generation & HTML-to-PDF
- PAdES B-B signatures, ICC v4 colour
- PDF/UA-2 tagging + MCP server
Editions
Four editions. One engine.
NextPDF Core and Connect are free and open-source under Apache-2.0. Pro and Enterprise add commercial capabilities on top of the same engine — no rewrite, no lock-in.
NextPDF Connect
Apache-2.0Deterministic PDF tools for AI systems.
Free, forever
- One engine over MCP, REST, and gRPC
- Risk-gated, human-in-the-loop tools
- Soft-loads Pro & Enterprise capabilities
NextPDF Pro
CommercialSignatures, compliance, optimization.
From $490 / yr
- Specialty barcodes & charts
- PAdES B-T, DocMDP, AWS KMS signing
- Split, diff, templates, flow layout, redaction
NextPDF Enterprise
CommercialForensic-grade & regulated workflows.
Let's talk
- PAdES B-LTA, HSM / PKCS#11, FIPS support
- PDF/A-4, ZUGFeRD & Factur-X e-invoicing
- Batch compliance, forensics, e-filing
Compare
What each edition adds
Pro and Enterprise build on the open-source core; Enterprise is a superset of Pro. Every capability below is supported in the editions marked.
| Capability | Core | Pro | Enterprise |
|---|---|---|---|
| Generation | |||
| ISO 32000-2 (PDF 2.0) output | Supported | Supported | Supported |
| HTML & CSS to PDF | Supported | Supported | Supported |
| PDF/UA-2 tagged structure | Supported | Supported | Supported |
| Charts & specialty barcodes | Not in this edition | Supported | Supported |
| Templates & streaming flow layout | Not in this edition | Supported | Supported |
| Signing & trust | |||
| PAdES baseline | B-B | B-T | B-LTA |
| DocMDP, KMS & remote signing | Not in this edition | Supported | Supported |
| HSM / PKCS#11 hardware signing | Not in this edition | Not in this edition | Supported |
| FIPS algorithm support | Not in this edition | Not in this edition | Supported |
| Compliance & ops | |||
| PDF/A-4 archival | Not in this edition | Not in this edition | Supported |
| ZUGFeRD / Factur-X e-invoicing | Not in this edition | Not in this edition | Supported |
| PII masking & redaction | Not in this edition | Supported | Supported |
| Forensics & batch compliance | Not in this edition | Not in this edition | Supported |
| Access | |||
| MCP / REST / gRPC server | Supported | Supported | Supported |
| Framework integrations | Supported | Supported | Supported |
| Delivery | Composer | ionCube / source | Signed source |
Capability language reflects what each edition supports. Formal compliance is the verdict of an external checker, not a NextPDF claim.
Ready to choose?
See annual pricing and delivery options, or talk to us about Enterprise.