Fax.Plus allows you to send a PDF as a fax from your computer or mobile phone without the need for a fax machine or a landline.
Upload your PDF in Fax.Plus, enter the recipient's fax number, and send it from your computer or phone. No fax machine or landline is needed. Check the PDF first, then follow these steps:
Send a PDF from a browser on Windows or macOS, the Fax.Plus app on iPhone or Android, or an email account with Email to Fax enabled. Choose the method that matches where your PDF is saved, then check the final transmission status.
Upload a saved PDF from your PC or Mac using the Fax.Plus web app. You do not need to print the PDF, install a desktop app or connect a landline.
With Fax.Plus, you can fax a saved PDF from an iPhone or Android phone. Follow these five steps:
You can attach a PDF to an email and send it through Fax.Plus with Gmail, Outlook or another email provider. Email to Fax requires an eligible paid plan, the feature enabled in your account, and an authorized sender address.
Save the document you prepared in Adobe Acrobat or Reader as a PDF, then upload it to Fax.Plus. This workflow uses a saved PDF and does not require a built-in Adobe fax service. Here is how:
To fax a PDF saved in Google Drive, use the installed Fax.Plus Google Workspace add-on. Sign in and authorize the add-on before sending. If your organization restricts add-ons, ask your administrator about access.
If your document is still on paper, use the Fax.Plus mobile app to scan its pages before faxing. Check that text is readable and no page edges are cut off.
For a fax already in your Inbox or Sent archive, forward it to Sign.Plus to sign it yourself or request a signature. Complete signing there, then save the signed PDF and attach it to a new fax in Fax.Plus.
PDF upload errors: Password-protected PDFs are unsupported. Use an authorized unprotected copy. For a malformed file, save a fresh PDF and reopen it before uploading. If filled fields or annotations are missing, create a flattened copy and inspect the result.
Fax number errors: Verify the recipient's fax number, including country and area code. If transmission fails, check the final error or report before retrying.
Transmission failures: A busy line, no answer or recipient equipment problem can prevent delivery. Check the final status and the recipient's fax line. Automatic retries do not guarantee delivery.
File limits: Fax.Plus supports up to ten attached files in one fax. File-size and page limits also apply and can vary by plan or sending method. Check the current limits shown for your account before uploading.

After mobile verification, a new Free account receives a one-time allowance of ten standard fax pages. This is a page allowance, not ten PDF files or a monthly allowance. High-rate destinations can consume more allowance; check the destination cost before sending. Certain high-rate destinations require a paid plan.
Send your PDF without printing it, check transmission status, and choose the account features your workflow needs.
Yes. Fax.Plus converts the pages of your uploaded PDF into fax images and sends them to the destination fax number, including a physical fax machine. The recipient does not need your original PDF file or a Fax.Plus account. Check that the number belongs to the intended recipient before sending.
A new Free account receives a one-time allowance of ten standard fax pages after mobile verification. Pages in your PDF and any cover sheet count toward usage. High-rate destinations can consume more allowance. This is not a monthly allowance or ten free PDF documents, and the Free plan does not include fax reception. Certain high-rate destinations require a paid plan.
You do not need to print a PDF before uploading it to Fax.Plus. Open the saved file and check every page. If it includes filled form fields, annotations or signatures, create a flattened copy, such as by printing to PDF, then reopen that copy and check that the content is still visible.
Yes. Use the Fax.Plus app on iPhone or Android to attach a PDF saved on your phone or available through its file picker. Check the document and recipient number before sending. You need an internet connection and sufficient sending allowance; a mobile phone number is not itself the destination fax number.
To fax numbers outside Fax.Plus, fax transmission sends page images in black and white. Fax.Plus-to-Fax.Plus transmission can support color. The recipient may receive printed pages or a PDF generated by their fax service, rather than your original file. Check readability and contrast without relying on color for essential details.
Password-protected PDFs are not supported for fax upload. If you are authorized to access the document, create an unprotected copy using your PDF software, then reopen it to check every page before uploading. Do not remove protections without authorization. A corrupt or malformed PDF may need to be saved again.
HIPAA use requires an eligible Enterprise setup, an executed Business Associate Agreement and HIPAA mode enabled. A Free account is not a HIPAA solution. Follow your organization's handling rules, confirm the recipient number and use the required account safeguards before faxing a PDF containing protected health information.
Some PDF fields, annotations or signatures can appear in your viewer without being included correctly in the fax conversion. Create a flattened PDF copy, then reopen it and inspect all pages before uploading again. Check the transmission result and ask the recipient to verify readability when the contents are important.
No. A successful transmission report confirms that the destination fax equipment accepted the fax transmission. It does not prove that a person read the document, that every page is legible, or that an organization accepted a filing. Check the number, page count and final status, then confirm acceptance directly when required.
Prepare your documents and cover sheet, choose a mobile workflow, or get help with international destinations, transmission time and failed sends.
Upload your prepared PDF, enter the recipient's fax number, and check the final transmission status. Get started from your computer or phone.