How do I fax from my computer without a fax machine or phone line?
Use an online fax service in your web browser: at app.ohfax.com you upload a PDF, enter a US or Canadian fax number and pay $2.00, and the fax is sent over the phone network for you.
Updated October 28, 2026.
The short answer
You don't need a fax machine, a modem or a landline. Oh Fax runs in the browser on a Mac, Windows PC, Chromebook or Linux computer, and our fax carrier dials the recipient's fax machine for you.
- Price: $2.00 per fax by card, for a PDF of up to 100 pages and 25 MB. No account and no subscription.
- Where: fax numbers in the US and Canada only.
- Send-only: Oh Fax sends faxes. It cannot receive faxes or give you a fax number.
- Not for patient data: do not use Oh Fax for protected health information (PHI).
- Refund: if the fax cannot be delivered, you get a full refund and the reason.
Steps
- Save the document as a PDF. On a Mac, choose File › Print › Save as PDF. On Windows, choose Print › Microsoft Print to PDF.
- Open app.ohfax.com and choose the PDF.
- Enter the US or Canadian fax number.
- Pay $2.00 by card through Stripe Checkout.
- Watch the status page until it shows delivered, and save the receipt.
Browser fax options compared
| Service | One 10-page fax without a plan | Monthly plan needed | Account needed |
|---|---|---|---|
| Oh Fax | $2.00 by card (any fax up to 100 pages) | No | No |
| Dropbox Fax | $0.99 per fax up to 10 pages, after 5 free pages (details) | No | Yes |
| WiseFax | $10.00 (one $1.00 token per page; a 1-page fax is $1.00) (details) | No | Yes |
| FaxZero Premium | $3.29 per fax up to 25 pages (details) | No | No (email required) |
| eFax | Not offered; eFax sells monthly plans (details) | Yes; eFax lists a 200-page plan, and its page did not show the dollar price when we checked | Yes |
Dropbox Fax and WiseFax cost less for short faxes if you sign up; Oh Fax needs no account. See Compare.
FAQ
Do I need a phone line to send a fax?
No. The fax is sent over the phone network by our carrier. You only need an internet connection and a browser.
Can I fax from a Mac or Windows PC?
Yes. Oh Fax works in any modern browser, so there is nothing to install on a Mac or PC.
What file types can I fax?
PDF only, up to 100 pages and 25 MB. Save other documents as PDF first.