ThirtyFax
ThirtyFaxSend fax online in under 30 seconds
Online faxing, reimagined

Send faxes without a fax machine

Upload a document, enter a number, and send — no hardware, no contracts, no nonsense.

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How it works

Three steps is all it takes. No learning curve, just results.

1

Upload your document

Grab a PDF or image file from your device. We'll take care of the formatting.

2

Enter the recipient number

Type in the destination fax number. International numbers are fully supported.

3

Review, then send

Give everything a final look, then hit send. You'll get a delivery confirmation instantly.

Frequently asked questions

Everything you need to know before you send your first fax.

Do I need to create an account?+

No account needed. Just upload your document, enter the fax number, and send.

What file formats can I upload?+

You can upload PDFs and images. That covers the vast majority of documents people need to fax.

How many pages can I send for free?+

Up to 5 pages, completely free. No credit card required. If you need to send more, paid plans are available.

How long does it take for the fax to arrive?+

Usually a couple of minutes. You'll get an email notification once your fax has been delivered so you're never left guessing.

Is my document secure?+

Yes. Your documents are transmitted securely and never stored longer than necessary to deliver your fax.

What if my fax fails to send?+

You can try again — and if it failed, you won't be charged anything.