P7M Viewer

P7M Viewer is the easiest and fastest way to open, verify, and convert .p7m files (CAdES / PKCS#7 digital signature) directly from your phone. Open electronic invoices (FatturaPA), contracts, and digitally signed documents, verify the signature, and extract or convert the document in just a few taps.

Everything happens on your device: your files are never uploaded to any server.

MAIN FEATURES

Open any .p7m file and extract the original document (PDF, XML, etc.)

Convert to PDF, DOCX, or XML

Also open PDF files

Digital signature verification: signatory, certifying body, validity, signature date, tax code, and algorithm

Support for multiple and double signatures (.p7m.p7m)

Readable content preview (formatted XML)

Batch conversion: convert multiple .p7m files at once

Recent files to quickly find what you've opened

PRIVACY FIRST

Your files are processed entirely on your device and never leave your phone. No uploading, no account required.

PERFECT FOR

• Electronic invoices (FatturaPA) in .p7m format

• Digitally signed documents and contracts

• Signed certified email attachments

• Anyone who needs to quickly open or convert a .p7m to PDF

Single file conversion is always free. Optional batch conversion is available.

Download P7M Viewer and open your signed files in seconds.