LetterAgent

Mail physical letters by just asking your AI assistant.


Status: LetterAgent is currently in private testing ahead of public launch. Everything on this page describes the service as it works today.

Home > Guides > Faxing from a Chromebook

Can I fax from a Chromebook?

Yes, but not the way a Windows PC does it: ChromeOS has no built-in fax support and no reliable path for USB fax modems, so a browser-based online fax service is the practical route. You prepare the document in Google Docs or as a PDF, upload it through the service's website or Chrome extension, enter the recipient's fax number, and the service transmits it. No phone line, no drivers.

Why can't I just plug a USB fax modem into my Chromebook?

USB fax modems are a Windows product. They depend on Windows drivers and Windows fax software to turn your document into modem signals, and ChromeOS does not load those drivers. Chromebooks were designed around the assumption that everything happens in the browser, and fax modems are one of the casualties of that design. You can plug the modem in; nothing on the Chromebook will know what to do with it.

The same goes for all-in-one printer fax functions over USB. A multifunction printer connected to a Chromebook can usually print and sometimes scan through the browser-based setup, but the fax function expects Windows or Mac fax software that ChromeOS does not have. Treat the Chromebook as a machine with no fax hardware path at all, and you will pick the right method the first time.

What is the easiest method from a Chromebook?

MethodHow it worksBest when
Online fax websiteUpload a PDF or document in the browser, enter the fax number, sendOne-off faxes; nothing to install
Chrome extensionFax button lives in the browser toolbar, often tied to a Google Drive workflowYou fax regularly from the same machine
Email-to-fax gatewayEmail the document to the recipient's number at the service's domainYour service supports it and you live in Gmail
Ask your AI assistant (LetterAgent)Describe the fax in chat; approve the quoted price; the fax is sentYou already use ChatGPT or Claude on the Chromebook

The website route is the path of least resistance for most people. Your document probably already lives in Google Drive or Google Docs, so you export or save it as a PDF, open the fax service in a tab, and upload. LetterAgent's fax feature works the same way through a conversation: you describe what to send to which US or Canadian number, approve the exact quoted total, and it is sent. Fax is currently in testing, so think of it as available in testing rather than a guaranteed same-day send.

Which file formats fax best from a Chromebook?

PDF is the safest choice. ChromeOS can save any document as a PDF through the print dialog (choose "Save as PDF" as the printer), which produces a clean, text-based file that fax services convert crisply. Google Docs exports directly to PDF too. What to avoid: phone photos of pages. A camera photo looks fine on screen but fax transmission is monochrome and low resolution, so a photo of a page arrives blurry where a PDF arrives sharp. If the original is paper, use a scanner app or a library scanner rather than the camera, then save as PDF.

One more Chromebook-specific tip: check that the PDF actually contains the full document before uploading. Google Docs exports sometimes paginate differently than the on-screen view, and a fax service sends exactly what you upload. A quick scroll through the PDF on the Chromebook takes ten seconds and catches the missing last page.

Related guides

Ready to fax it? Fax with LetterAgent: describe it to your AI assistant, approve the exact quoted price, and it is sent.


LetterAgent is a working name. Prices include print, postage, and our service fee. US prices in USD, Canadian prices in CAD (Canadian prices exclude applicable sales tax, added at checkout). Currently in private testing.

Need help? Ask your assistant: it can check a job's status any time. If it ever can't handle something: hello@getletteragent.com

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