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The Best Free Online Fax Services for 2021

Although faxing may appear to be an antiquated technology, many organizations continue to conduct business using this method. However, the purchase of a fax machine or computer fax modem is not required at this time. Faxing from your computer to an email address is made possible through free online fax providers.

1. CocoFax

CocoFax is an online fax solution provider that is HIPAA-compliant and has integrations with Google, Microsoft, Slack, and other platforms.

Users may fax from Google, Microsoft, and email, using a computer, a mobile phone or a Mac; it is an easy-to-use alternative to traditional fax machines for individual users.

CocoFax ensures that all data is properly safeguarded for organizations of all sizes and across all industries through the use of two-factor authentication, TLS 1.2, and AES 256 encryption.

Users may also transfer their existing phone numbers to CocoFax at no additional cost. It is simple, quick, and safe, and there is 24/7 live help for any and all questions you may have. CocoFax also offers API connections, allowing businesses to create their own simple faxing solutions.

If you are an android user and you want something that is compatible with your phone, check out this list of the best fax apps for android.


Fax from Phone

CocoFax provides you with a variety of faxing options from your iPhone, Android, Blackberry, or Windows smartphone. CocoFax’s phone fax services are available to you at all times, no matter where you happen to be in the world. A seamless faxing trip begins as soon as you open your web browser or the email program on your phone and begin typing.

Faxing Solutions That Are Adaptable

CocoFax can be customized to meet the demands of any business, regardless of its size or industry. Whether you are a single freelancer or a business owner with a large number of workers, CocoFax has a variety of options to choose from to meet your needs. Choose the one that is most appropriate for your requirements. There is no longer any need to be concerned about hidden fees. CocoFax places high importance on transparency and openness above everything else.

24/7 Live Support

CocoFax provides constant live support, so you never have to be stranded. You can get help anytime you need it. 


Web App

Windows Software

Mac App

Android App

Chrome Extension

Slack Integrations

Google Integration

Microsoft Integration

2. FaxPlus

The FAX.PLUS fax service is a fantastic service that offers a free plan, many price choices, and accessible mobile apps that are simple to use. It is also available in a variety of languages.

In addition, the service offers document signature capabilities through its mobile apps, as well as the option to schedule faxes. Simply said, it makes faxing more dynamic and is easier to use than traditional methods.

There are a variety of reasons why we enjoy FAX.PLUS, including a slew of new features and capabilities.


The archive that has been encrypted

Your fax data is fully secured at rest using AES 256-bit encryption, and we are a Swiss firm, which ensures that all of our users’ data is protected by Switzerland’s stringent data privacy regulations. Learn more about our security practices by visiting our website.

Keep your current fax number in your possession (Porting)

If you currently have a fax number from another service provider, you may transfer that number to FAX.PLUS with no downtime and take advantage of all of our services at the same time. Your consumers will never be able to distinguish the difference.

Fax Numbers with a Vanity or Toll-Free Prefix

A broad selection of numbers is available to you from which to pick. You may choose either a bespoke (vanity) fax number for your company or a toll-free fax number to meet your specific business requirements.


Web App

Desktop App

Android App

iOS App

Google Integration





3. HelloFax

This great service offers a clean, modern design that makes it simple to send and receive faxes from the comfort of your email client or from anywhere on the internet. It is free. The integrated form-filling and digital-signature capabilities eliminate the need to print and physically deliver papers, saving you time and money. 



There are no fax machines to connect, no phone providers to deal with, and no fax servers to set up in this environment. Select a plan, enter your users’ information, and give fax numbers to them.

Sync with Your Cloud-Based Storage System

Apart from the fact that you can view your faxes from anywhere, we’ve also created connections with the top cloud storage systems so that your faxes may be sent, received, and managed there too.

Simple and intuitive to use

Sending faxes is just as simple as sending emails. You may send faxes to many recipients at the same time, and you can even sign and amend them online! You’ll receive an email as soon as your fax is received, confirming receipt of the document.

4. RingCentral Fax

RingCentral Fax makes it simple to send and receive faxes from any location. Albeit you’re in the market for a vanity fax number or anticipate faxing a significant amount of documents each month, this service is a fantastic, if expensive, option. We also appreciate how well-designed its online and mobile applications are. RingCentral, on the other hand, does not handle international numbers and does not provide digital signature capabilities.


Toll-free or local phone numbers are available.

You can select from toll-free, local, or vanity fax number options. When sending faxes, make sure to keep track of both your receiving and outgoing IDs.

Notifications by fax

Never again will you be late for essential fax. Receive text alerts on your mobile phone informing you of fresh faxes that have arrived.

Faxes are delivered via email.

All of your faxes are delivered to your mailbox through email and are then kept in your online account for convenient access. Access your corporate directory and send a fax to a member of your organization in a matter of seconds with this simple tool.

5. eFax

Sending and receiving faxes is simple with eFax, an online fax service that allows you to send and receive faxes using a web interface or straight from your preferred email client. For example, we enjoy how easy it is to use the service’s mobile app and how flexible it is in terms of configuring international and toll-free numbers.


Toll-Free Numbers

eFax provides its customers with a unique toll-free fax number.  If you want to take advantage of national fax numbers, you don’t have to be a huge business.

According to studies, having a toll-free number for your business will increase your sales, customers’ faith in your business and their reaction to your ads. 

Lifetime Storage

Securely save your faxes online for the duration of your account’s life, and then retrieve them at your convenience from your eFax web portal at any time.

Every fax, both inbound and outgoing, is saved online.

Label your faxes with keywords to make them easier to find and retrieve at any time.

Easily access and download your saved faxes at any time of day or night using your eFax site or mobile app.

Electronic Signature 

The eFax Electronic Signature function allows you to sign your faxes online or directly from the screen of your smartphone.

Create an electronic signature for use on a fax document from any internet-enabled device.

In the mobile app, you may choose between two easy signature methods for your faxes.

Get rid of the inconvenience of having to sign physical fax papers.

Using the Electronic Signature function, you may conclude agreements more quickly, increase your responsiveness to clients and prospects, and save time overall.


These are the top best online fax services according to their features, services and functionality. You can evaluate each service provider on the list and pick which one will work best for you. 

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