FaxExtension

At a glance

• Editor score
  3.0 / 10
• Pricing
  Free plan
• Best for
  Mobile users needing basic fax access
• Free plan
  Yes
• Monthly page allowance
  25 pages/mo
• Facts checked
  20 Sep 2026

• Where it wins

  • Free plan includes inbound and outbound fax pages
  • Web, iOS, and Android access with international delivery
  • OCR search, signing, form filling, and delivery tracking

• Where it doesn't

  • Paid plans are needed for dedicated fax numbers
  • Page allowances vary substantially by plan
  • International pages follow a separate price list

Our verdict on FaxExtension

FaxExtension is an online fax service for individuals and businesses that send and receive faxes through a web browser or mobile apps. It supports inbound and outbound faxing, domestic and international delivery, document and photo attachments, online cover pages, signing, editing, form filling, and storage of received faxes in its online portal. The Free plan includes a fax extension number, 5 outbound fax pages, and 50 inbound fax pages, making it suited to occasional faxing and mobile users who need basic access.

Its plan structure centers on page allowances and fax-number options. The Weekly plan adds a dedicated fax number and provides 10 outbound and 100 inbound pages. The Monthly plan includes the same number options with 25 outbound and 250 inbound pages. The Yearly plan increases the allowance to 500 outbound and 5,000 inbound pages, while also including a fax extension number and dedicated fax number. International faxing is available, with international pages handled according to a separate price list.

For document-heavy workflows, FaxExtension combines attachments from documents, photos, and scans with online editing, signing, and form filling. OCR-based full-text search can help locate received faxes, while status tracking and delivery confirmations provide visibility after sending. Access is available on the web, iOS, and Android. The service is a practical fit for users who value mobile access, occasional faxing, and built-in document tools. Businesses needing broader integrations or a more specialized workflow may prefer an alternative, since integrations are not part of the listed feature set.

Your product? Our editors can test FaxExtension in depth and publish a review, labelled as paid · from $149/mo →

FaxExtension pricing

All 4 FaxExtension plans and prices →

FaxExtension fact sheet

Alternatives to FaxExtension

• Dropbox Fax (formerly HelloFax)A practical choice for occasional faxing from Dropbox and other cloud-storage services.9.2
• OVHcloud FaxA low-cost European fax service with desktop tools, API sending, and number porting.9.1
• TFTELUS Cloud FaxA practical email-based fax service with API access, number retention, and audit trails.9.0

See all FaxExtension alternatives →

Featured on iTechGuides

FaxExtension is listed in our Online Fax Services directory. Add the badge to your site — it links back to this page.

<a href="https://www.itechguides.com/products/faxextension/"><img src="https://www.itechguides.com/best/badge/faxextension.svg" alt="Featured on iTechGuides" width="230" height="46"></a>

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Last updated 7 Oct 2026 · How we research and update