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Sign a document on your phone, then fax it

Either sign on paper and photograph it in the Claude app, or sign the PDF digitally in a PDF app and attach it – then give the fax number and confirm. Two pages cost €1.20 in zone 1.

Step by step

  1. 1 Step 1

    Choose a method

    Method A: print, sign with a pen, photograph. Method B: open the PDF in a PDF app, sign with your finger, save.

    Choose a method
  2. 2 Step 2

    Method A: photograph the page

    Photograph the signed page in the Claude app – good lighting, the whole page, signature clearly legible.

    Method A: photograph the page
  3. 3 Step 3

    Method B: attach the PDF and check the price

    Attach the saved PDF in the chat and give the fax number. Claude shows the country, pages and price.

    Method B: attach the PDF and check the price
  4. 4 Step 4

    Confirm

    After your “Yes” the fax goes out; the transmission report with a preview of the first page arrives by email.

    Confirm

The pictures are a simplified illustration. Menu names may differ slightly depending on the version.

Video transcript

Yes, you can sign a document on your phone and fax it right away. Either on paper with a photo, or digitally in a PDF app. Let me show you both methods. Method one: you print the document, sign it with a pen and take a photo. Method two: you open the PDF in a PDF app, sign with your finger and save it. For method one, photograph the signed page in the Claude app. Make sure you have good lighting, the whole page in the frame and a clearly legible signature. For method two, attach the saved PDF in the chat and give the fax number. Claude shows the country, the pages and the price. Two pages to Switzerland cost one euro twenty. Confirm with yes. The fax is sent, and the transmission report arrives by email on your phone, with a preview of the first page. Your signature is visible on the fax. Whether a signed fax is enough depends on the individual case. This is not legal advice, so if in doubt, ask the recipient. You'll find the link in the description. Subscribe to the channel for more guides on sending faxes.

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Frequently asked questions

Is a fax without a signature legally valid?

That depends on the document and the recipient. This is not legal advice – if in doubt, check formal requirements with the recipient or a professional.

Which PDF app do I need?

Any app that lets you sign a PDF and save it. What matters is saving the signed version and attaching that one.

Is the signature visible on the fax?

Yes, it is transmitted in black and white like the rest of the content. The transmission report shows a preview of the first page.

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