Nutrient

Nutrient is not a tool you use to edit a PDF. It is what other software uses to let its own users edit PDFs. If you have annotated a document inside a European enterprise application, there is a reasonable chance this Vienna-built SDK was underneath.

The company changed its name from PSPDFKit to Nutrient in 2024, but the product lineage and the Austrian engineering base are unchanged.

What You Get

SDKs for web, iOS, Android and server, providing a document viewer with annotation, form filling, digital signatures, redaction and OCR, all embedded in your product with your branding. Building this properly in-house is a multi-year project, which is why buying it is the normal choice.

Server components handle conversion, generation and processing at volume for document-heavy workflows.

On-Premise Deployment

Nutrient can run entirely inside your infrastructure, including as a container. For software sold into healthcare, legal or government, being able to state that documents are never processed by a third party is frequently a procurement requirement rather than a preference.

European Supply Chain

For a European software vendor, sourcing the document layer from an Austrian company keeps the supply chain within the EU — which matters increasingly when their own customers ask where each component of the product comes from.

Limitations to Consider

Nutrient is enterprise infrastructure with enterprise pricing, quoted per platform and deployment, and it is entirely irrelevant unless you are building software. Integration is a development project rather than a configuration task, and the SDK is proprietary, so you are dependent on a single vendor for a core capability of your product.

Who Should Use Nutrient

Software companies that need document viewing, editing, annotation or signing inside their own applications, particularly European vendors selling into regulated sectors where on-premise document processing is required.