Convert a PDF invoice to an e-invoice (ZUGFeRD): attach the XML
Turn your PDF invoice into a ZUGFeRD/Factur-X e-invoice: embed an existing XML, let AI read the data or enter it yourself, online or offline.
Stefan Ziegler
Create e-invoices automatically: command line, JSON and XML
Create ZUGFeRD, Factur-X and XRechnung on the command line: all -createInvoice switches, JSON format, XML input, examples for batch, PowerShell, Access.
E-invoice data: where it is stored, backup and sharing
Where the PDF24 e-invoice generator stores your data, how to reopen invoices, back up your data, move it to a new PC and share it with colleagues.
E-invoice types: credit note, down payment, self-billing, series
Create down payment and final invoices, credit notes (381), self-billed invoices (389), corrections and Excel serial invoices as e-invoices with PDF24.
Open, view and validate e-invoices – make XML readable
Received an XRechnung or ZUGFeRD invoice? Make the XML readable as a PDF for free, extract the XML from the PDF, validate, print and archive it.
New in PDF24 Tools: what changed in November
Last updated on 13 November 2026 PDF24 Tools keep getting better, and many improvements come straight from your feedback. A lot has happened in the past few weeks: new options, smaller files, fewer clicks. As always, everything is free and needs no sign-up on tools.pdf24.org. We present the biggest changes in posts of their own: ... Read more
Create e-invoices: self-billing in series, cumulative charges and more
E-invoicing is becoming mandatory for more and more businesses, and our free e-invoice generator keeps growing (on the Create electronic invoice page, choose “Switch to the new version” at the top; PDF24 remembers your choice). The latest version brings features you would otherwise look for in accounting software. Here is what's new. Allowances and charges ... Read more
Convert PDF to black and white: now with true 1-bit black and white
Grayscale is fine, but sometimes it really has to be black and white: for faxing, for the laser printer, for archives and for upload portals with a tight size limit. Convert PDF to grayscale can now do more: under “Color depth” you choose between “Grayscale (8 Bit)” and “Black/White (1 Bit)”. What true black and ... Read more
Compress PDF: never larger, less ballast
Compress PDF is one of our most popular tools, and we have made it even smarter. The result is never larger Some PDFs are packed so well already that there is nothing left to gain. In the past the result could even be a few bytes larger than the original. Not any more: if the ... Read more
The PDF24 editor: page colour, rotating shapes, freehand redaction and more
At the end of October we completely renewed the editor of PDF24 Tools, the foundation for everything still to come. Since then we have put many wishes from your feedback into practice. You'll find the most important changes in Edit PDF, Annotate PDF, Sign PDF, Redact PDF and Bookmark PDF. Page colour A coloured background ... Read more