6 Best Free Fax Apps for Sending and Receiving Faxes

The best option depends on whether you need to send a single document, fax regularly, or receive faxes on your phone.

Free-plan details checked against available provider information in October 2026. Limits may change.

1. FAX.PLUS — Best for Sending Documents From Your Phone

FAX.PLUS offers iOS, Android, and web access. Its free plan includes 10 fax pages as a one-time allowance, rather than a recurring monthly quota. Mobile number verification is required, and receiving faxes is not included in the free plan.

• Best for: Forms, applications, and short documents.

• Main limitation: You must pay or choose another service after using the free pages.

• Official website: fax.plus

2. FaxZero — Best for a One-Time Fax Without an App

FaxZero works in a web browser, so you can use it on a smartphone or computer without installing an application. Its free service supports short faxes to eligible US and Canadian destinations, subject to daily and page limits.

• Best for: Sending a brief document quickly.

• Main limitation: Free cover pages may include FaxZero branding, and international destinations are restricted.

• Official website: faxzero.com

3. GotFreeFax — Best for Occasional Browser-Based Faxing

GotFreeFax is another browser-based option for sending short faxes without a paid subscription. Its free allowance is limited to a small number of faxes per day and eligible destinations.

• Best for: People who fax only occasionally.

• Main limitation: Short page limits make it unsuitable for lengthy documents.

• Official website: gotfreefax.com

4. FaxBurner — Best for Receiving Faxes

FaxBurner offers a mobile app with a temporary fax number and a limited free allowance for sending and receiving documents. The free service is especially useful when you need to receive a fax without maintaining a permanent fax line.

• Best for: Receiving a document on your phone.

• Main limitation: The free sending allowance is small, and the fax number is temporary.

• Official website: faxburner.com

5. Dropbox Fax — Best for Documents Stored Online

Dropbox Fax provides an initial allowance of five outgoing fax pages. Eligible users can earn up to 20 additional pages, for a one-time total of 25 free pages. After that, sending requires a paid plan or pay-as-you-go service.

• Best for: People who work with digital documents and online storage.

• Main limitation: The free page allowance does not automatically renew.

• Official website: Dropbox Fax

6. eFax — Best for Trying a Full Fax Service

eFax advertises a seven-day free trial with up to 200 fax pages during the trial. It supports sending and receiving, but it is a trial rather than a permanent free plan. Check the current billing terms and cancellation deadline before registering.

• Main limitation: A paid subscription may begin after the trial.

• Official website: efax.com

How to Choose a Free Fax App

Before installing an app, check these five things:

• Free page allowance: Is the limit per day, per month, or for your entire account?

• Sending versus receiving: Some free services let you send faxes but cannot provide a number for receiving them.

• Destination country: A service may accept your account registration while restricting which countries you can fax.

• File support: Confirm that the app accepts your PDF, scanned image, or other document format.

• Privacy and billing: Review its data-handling policy and whether a credit card or automatic subscription is required.

If you are faxing from Indonesia or need to send a document internationally, verify the destination-country restrictions and pricing before uploading your document.

How to Send a Fax for Free From Your Phone

1. Choose a service that supports your recipient's country.

2. Scan your paper document with your phone or select an existing PDF.

3. Enter the recipient's fax number, including the appropriate country code.

4. Review the document and any cover page.

5. Send the fax and check the delivery confirmation.

A fax marked as sent is not always proof that the recipient successfully received every page. Keep the confirmation for important documents.

Are Free Fax Apps Safe for Sensitive Documents

Not every free fax service is appropriate for medical records, financial statements, identity documents, or legal paperwork.

Before sending sensitive information:

• Check whether the provider explains its encryption and document-retention practices.

• Avoid unfamiliar services that do not clearly identify their operator or privacy policy.

• Confirm that the recipient's fax number is correct.

• Use a provider that meets the applicable privacy and compliance requirements for your document.

Do not assume that an app is suitable for confidential documents simply because it advertises encryption or has a free plan.

FAQ

Is there a completely free fax app?

Yes. Some services provide limited free pages without requiring a paid subscription. FAX.PLUS offers a one-time 10-page allowance, while FaxZero and GotFreeFax provide limited free browser-based sending.

Can I send a fax for free without a fax machine?

Yes. Online fax services let you upload a document from a phone or computer and send it to a fax number over the internet. You do not need a physical fax machine or a dedicated fax line.

Can I receive faxes for free?

Some services offer limited free receiving, including FaxBurner. However, a service that lets you send faxes for free may not provide an incoming fax number on its free plan.

Do free fax apps work internationally?

Some do, but international availability varies by provider, destination, and plan. Check the supported countries and any per-page charges before sending a fax abroad.

Which free fax app should I choose?

For a few pages from your phone, start with FAX.PLUS. For a quick fax without installing an app, try FaxZero. If you need to receive a fax, investigate FaxBurner's free allowance. Compare the current terms before choosing.