# PDF invoices to Twinfield via UBL

SnelUBL converts PDF, DOCX and image invoices to validated UBL 2.1 or UBL 2.3 XML for use with Twinfield. You review the data, download the UBL file and import it by following Twinfield's current UBL instructions.

## From source invoice to Twinfield in three steps

### 1. Submit the invoice

Upload a PDF, DOCX, PNG, JPEG, HEIF/HEIC or WebP file in Quick Mode, or let a workflow process recurring files.

<!-- TODO: screenshot of SnelUBL upload for Twinfield -->

### 2. Review the conversion

Review the supplier, customer, invoice number, lines, totals, currency and VAT. Correct the recognized data before exporting the UBL.

<!-- TODO: screenshot of SnelUBL review for Twinfield -->

### 3. Download and import the UBL

Download the validated UBL file and follow Twinfield's current UBL import instructions. SnelUBL does not claim a direct export integration for Twinfield.

<!-- TODO: screenshot of Twinfield UBL import -->
<!-- TODO: confirm import route with owner -->

## Automate with an inbox or cloud folder

Use a dedicated inbox for each workflow or collect files from Dropbox, OneDrive/SharePoint or Google Drive. SnelUBL detects invoice attachments automatically, sends status emails and provides API access for custom automation.

<aside class="integration-price-box" aria-label="Price"><strong>€0.35 per conversion</strong><span>Your first 3 conversions are free, with no credit card. After that, you pay per conversion with no subscription or minimum, billed monthly in arrears.</span></aside>

## Frequently asked questions

### Does SnelUBL connect directly to Twinfield?

No. SnelUBL provides a UBL file that you import by following Twinfield's current instructions.

### Is SnelUBL suitable for accountants with multiple clients?

Yes. Multiple organizations, an organization hierarchy, batch processing and central billing support client-specific processing.

### Can I process many invoices together?

Yes. SnelUBL supports batch processing and workflows for recurring delivery.

### Can I review the conversion before import?

Yes. Review and correct recognized data before downloading the validated UBL.

### How much does a Twinfield conversion cost?

Your first 3 conversions are free. After that, each conversion costs €0.35, with no subscription or minimum.

## Other accounting packages

See [SnelStart](/en/integrations/snelstart.html), [Exact Online](/en/integrations/exact-online.html), [AFAS](/en/integrations/afas.html), [Moneybird](/en/integrations/moneybird.html), [e-Boekhouden.nl](/en/integrations/e-boekhouden.html) and [Yuki](/en/integrations/yuki.html), or read about the [Dutch cabinet's 2030 e-invoicing plan](/en/e-invoicing-netherlands-2030.html).

Last updated: 1 October 2026.