How to send a fax online — from your phone, computer, or email

You don't need a fax machine, a phone line, or a monthly subscription to send a fax in 2026. This guide covers every way to do it — from a computer, a phone, or an email attachment — what it costs, how to write a cover sheet, and how to know it arrived.

What you need to send a fax online

• The recipient's fax number. For US and Canadian numbers, the 10-digit number is enough; for international numbers include the country code (for example +44 for the UK). Double-check it — the most common reason a fax fails is a voice line or a typo.
• Your document. A PDF is best because it prints exactly as laid out. A photo or scan (JPG, PNG) works too. If you only need to send a short message, you don't need a file at all — Faxer turns typed text into a cover page.
• A way to pay for that one fax. Any card. There's no account to create.

What you don't need: a fax machine, a landline, a dedicated fax number, or a subscription.

How to send a fax online in 3 steps

1. Prepare your document. Save what you're faxing as a PDF or an image. On a computer, "Print → Save as PDF" turns any document into a fax-ready file. On a phone, a photo of the paper is fine if it's flat and well lit.
2. Enter the fax number and upload. Go to faxer.me, type the recipient's number, and attach your file (or type your message for an auto-generated cover page). The page count is calculated for you before you pay.
3. Pay for that one fax and track delivery. $1.00 covers the first page and each extra page is 25¢. The status updates in real time until the receiving fax machine confirms it accepted the transmission.

How to fax from a computer (Windows or Mac)

Any browser works — there's nothing to install. If your document is already a file, upload it directly. If it's a Word document or a web page, use Print → Save as PDF first so the layout is preserved. If it's on paper, photograph it with your phone (or use your phone's built-in scanner) and email or AirDrop the image to yourself, then upload. A dedicated guide covers faxing a PDF and the differences between free and paid ways to fax from a computer.

How to fax from your phone (iPhone or Android)

The same three steps work in your phone's browser. To fax a paper document, scan it first: on iPhone, open Notes → Camera → Scan Documents (or the Files app); on Android, use the Google Drive → Scan button. Save the scan as a PDF, then upload it. iPhone users can also install the free Faxer.me app, which uses prepaid credits (1 credit = 1 page). Full walkthrough: how to fax from an iPhone.

How to fax from email (Gmail, Outlook)

True email-to-fax — where you send an email and it arrives as a fax — requires a subscription service that assigns you a fax number, typically $10–$20 a month. If what you actually have is an attachment in an email, you don't need that: download the attachment, upload it to an online fax service, and send it for $1. It takes about a minute and there's nothing to cancel later.

How to fax multiple pages or a whole document

Combine everything into a single PDF in the order you want it received; most phones and computers can merge scans into one file. The price is calculated per page before you pay — with Faxer, a five-page fax is $1.00 + 4 × 25¢ = $2.00. Put the most important page first, and add a cover sheet if the recipient handles faxes for many people (see below).

How to send a fax without a fax machine or phone line

An online fax service is the fax machine: it converts your file and transmits it over the telephone fax network from its own lines, so you never need a landline. That's also why it works from a laptop on Wi-Fi or a phone on cellular data. More detail: faxing without a phone line.

How to send a fax for free — and when it's not worth it

Free fax websites exist, but they typically cap you at a few pages a day, add an advertising cover sheet, and offer no delivery confirmation — a problem when a government office or doctor's office is waiting on the document. For an occasional fax, paying about a dollar buys a clean cover page and proof of delivery. The free vs. paid comparison goes through the trade-offs.

What does it cost to send a fax online?

If you're only here because a doctor's office, government agency, or landlord insists on a fax, pay-per-fax is almost always the cheapest and fastest option — you'll spend about a dollar and be done. See also: sending a one-time fax.

How to write a fax cover sheet

A cover sheet isn't required, but it helps when the receiving fax is shared by an office. Include: To (name and department), From (your name and a callback number or email), the date, the number of pages including the cover, a short subject line ("Form 2848 for taxpayer …"), and a one-line confidentiality note if the contents are medical or financial. With Faxer, typing your message in the form generates a cover page automatically — you don't need to design one.

Faxing the IRS, Social Security, pharmacies, courts, and clinics

Many agencies still require fax and have specific numbers and cover-sheet expectations. These guides list the verified numbers and what to include:

• How to fax the IRS — including Form 2848, Form 8821, and Form SS-4
• How to fax the Social Security Administration
• How to fax a prescription to a pharmacy
• How to fax medical records
• How to fax a court clerk
• How to fax the VA

How do I know my fax was delivered?

An online fax service negotiates with the receiving machine in real time. "Delivered" means the receiving fax machine confirmed it received every page — the same confirmation a physical fax machine prints. If the line is busy, the service retries; if the number never answers or turns out to be a voice line, the fax fails and Faxer refunds it automatically. Keep the confirmation screen or the emailed receipt as your proof of transmission.

Troubleshooting: my fax won't go through

• Check the number. Is it a fax line rather than the office's voice line? Did you include the area code (and the country code for international numbers)?
• The receiving machine may be off or busy. Large offices often have one fax line; try again in a few minutes.
• Very large files. A phone scan at maximum resolution can be tens of megabytes; use your scanner app's "medium" setting, or export the PDF at a smaller size.
• Password-protected PDFs can't be converted — remove the password before uploading.
• Blurry photos transmit as unreadable pages. Shoot flat, in good light, and crop to the page.

Is online faxing secure?

Yes — generally more secure than a shared office fax machine sitting in a mailroom. With Faxer, your document travels over an encrypted HTTPS connection to the server and then over the telephone fax network directly to the recipient's machine, and payments are handled by Stripe. Faxing remains accepted for medical and legal documents precisely because it is a point-to-point transmission rather than an email that can be forwarded.

Faxing with an AI assistant

If you use Claude, ChatGPT, or another AI agent, Faxer offers a way to send a fax through your AI assistant — it fetches a quote, hands you a payment link, and sends the fax once you've paid.

Frequently asked questions