Most free fax apps promise unlimited sending — then hit you with a 5-page cap or a 24-hour expiring number. Here are the options that genuinely deliver, what each is good for, and when a low-cost paid plan makes more sense.
Frequently Asked Questions
Can you send a fax for free from your phone?
Yes — FaxZero and GotFreeFax work from any mobile browser with no app download. FaxBurner offers free iOS and Android apps with 5 lifetime free sent pages. All three require a valid email address to confirm delivery.
What is the best free fax app?
For occasional sending with no signup, FaxZero is the easiest option. FaxBurner is best if you also need to receive faxes. For international faxing, Fax.Plus gives 10 free pages to start. If you need reliability without a monthly subscription, mFax offers pay-per-fax pricing with no commitment required.
How many pages can you fax for free?
FaxZero allows 5 faxes per day, up to 3 pages each. GotFreeFax allows 2 faxes per day, up to 3 pages each — both reset daily. Fax.Plus provides 10 pages as a one-time credit. FaxBurner gives 5 lifetime send pages; after that, you must upgrade.
Is there a free fax app that lets you receive faxes?
FaxBurner is the strongest free option for receiving — up to 25 pages per month with a temporary fax number. The catch is that the number expires after 24 hours unless you upgrade to a paid plan. Most other free fax services are send-only with no inbox.
Are free fax apps safe for sensitive documents?
Generally no. Most free fax services lack HIPAA compliance and end-to-end encryption. For medical records, legal contracts, or protected health information, use a HIPAA-compliant paid service like [mFax Business](https://mfax.to/business/).