The best online fax service for 2025 - Fax.Plus

What’s the best online fax service in 2025? Online fax services streamline communication by eliminating the cost and inconvenience of traditional faxing while providing enhanced security, flexibility, and mobility for modern professionals. With numerous options available, selecting the best online fax service for your business depends on evaluating features, pricing, ease of use, and reliability to meet your specific needs.

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How to choose a reliable and secure online fax service

When selecting a reliable and secure online fax service for your business, prioritize features like robust encryption, HIPAA compliance for handling sensitive data, and support for other regulatory standards. Look for a service with high delivery success rates, seamless integration with your tools, and a powerful fax API for automating workflows. Ensure the platform offers a user-friendly interface, flexible pricing plans, and dependable customer support to meet your business needs effectively and securely.

Here’s a list of the key features a fax service should provide.

1. User-Friendly Interface: Support across web and mobile platforms for seamless access.
2. Regulatory Compliance: Adherence to standards like ISO 27001, SOC 2 Type 2, HIPAA, and more.
3. Data Residency Options: Flexibility to store faxes in your preferred region to meet residency requirements.
4. Data Encryption: Protection with data encryption both in transit and at rest.
5. Scalability: High-volume plans to grow with your business needs.
6. Integration Capabilities: Compatibility with tools like Google Workspace, Microsoft 365, Slack, and Zapier.
7. Programmable Fax API: Customizable solutions to integrate with existing business workflows.
8. Reliability: High transmission success rates and minimal downtime.
9. Team and Number Management: Easy handling of multiple fax numbers and team members across locations.
10. High-Quality Image Processing: Ensures clarity and legibility of transmitted documents.
11. Continuous Improvement: Regular updates and technical enhancements for optimal performance.

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What makes Fax.Plus stand out as one of the best online fax services?

Fax.Plus distinguishes itself with a robust combination of features designed for security, reliability, and versatility. It offers HIPAA compliance and adherence to major regulatory standards like ISO 27001 and SOC 2 Type 2, ensuring secure and compliant faxing for sensitive data. With a user-friendly interface accessible across web and mobile platforms, Fax.Plus also provides data residency options, seamless integration with tools like Google Workspace, Microsoft 365, and Slack, and a programmable fax API for custom workflows. Its high transmission success rate, scalability for businesses of all sizes, and commitment to innovation through regular updates make it a top choice for modern professionals.

Trusted by over 4 million users globally, Fax.Plus serves enterprises, healthcare organizations, SMBs, entrepreneurs, and individuals with a secure, reliable, and user-friendly online faxing solution. Recognized for its availability across multiple platforms and seamless integration with third-party tools, it has earned accolades like the PCMag Editors' Choice for "its ease of use and modern faxing experience" for five consecutive years. Additionally, Forbes hails Fax.Plus as "the best international fax service," further solidifying its reputation as a leader in online faxing.

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Protecting customers’ data security and privacy

Security and Compliance - Fax.Plus is ISO 27001, SOC 2, and HIPAA-compliant, making it a trusted choice for healthcare, insurance, and other industries with strict data security needs. With 256-bit AES encryption for faxes at rest, biometric authentication, and two-factor authentication (2FA), your data remains secure at every stage.

Data residency flexibility - Meet local data residency requirements by storing encrypted faxes in specific regions. Fax.Plus enables seamless transfers between data centers without service interruptions, ensuring compliance with regional privacy laws.

Data retention - Implement a document retention policy to remove fully-encrypted documents from data centers after a specified period, maintaining control over sensitive information while adhering to business policies.

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Extensive integrations and availability on different devices and platforms

Fax.Plus makes sending a fax online as simple, straightforward, and efficient as possible. Whether you’re sending and receiving faxes through email, using your phone, tablet, or laptop, or integrating with your multi-function printer, Fax.Plus ensures seamless functionality. Its extensive integrations and compatibility make faxing accessible and convenient, no matter your device or workflow.

Fax.Plus integrates effortlessly with the tools and apps you already use, streamlining your workflows and enhancing productivity. Some of its powerful integrations include:

1. ‍Slack integration - Get real-time notifications for received faxes and track the status of sent faxes directly within your Slack workspace.
2. Zapier integration - Connect Fax.Plus with countless other applications and software to automate workflows and expand functionality.
3. Google Workspace integration - Collaborate on faxed documents through Google Drive, Gmail, and Google Docs, simplifying document management.
4. Microsoft Office integration - Manage fax communications directly within your Microsoft Office applications for greater convenience.
5. Sign.Plus Integration - Sign and finalize official documents electronically, making the eSignature process simple and efficient.
6. ‍Scan.Plus Integration -Enjoy an AI-powered document scanner for a seamless and reliable experience when scanning and faxing documents.

These integrations make Fax.Plus a versatile and indispensable tool for modern businesses.

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Seamless and reliable faxing with high outbound fax success rate

Fax.plus delivers a high-performance faxing experience with cutting-edge technology that ensures accuracy, speed, and dependability. With premium Tier-1 routing for faster delivery, automatic error correction, and flexible retry options, Fax.plus maximizes success rates, making your fax communications effortless and reliable.

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Enterprise-ready online fax service for businesses of all sizes

Fax.Plus offers robust Business and Enterprise plans tailored to meet the needs of companies of any size. These plans allow you to create teams, invite members, set up hierarchy structures, assign one or multiple users to the same fax number(s), and enforce two-factor authentication (2FA) for added security. Each team member has their own credentials to securely send and receive faxes across multiple devices and platforms, including web, mobile, Google Docs, Microsoft Word, and email. Fax.Plus ensures effective and efficient faxing for teams of any size, making it an ideal solution for businesses.

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‍Variety of plans for users with low-usage or high-volume usage

Fax.Plus offers plans tailored to meet the needs of individuals, small businesses, and large enterprises. Whether you're an occasional user seeking cost-effective options or a high-volume user managing hundreds of faxes daily, Fax.Plus provides the flexibility and scalability to match your requirements.

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Developer Resources

For businesses looking to integrate faxing into automated workflows, Fax.Plus provides a robust developer portal. It includes detailed API documentation, sandbox environments, and enterprise-level support, making it easy to customize and streamline faxing processes.

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What else?

Fax.Plus beats the competition as the best online fax service in nearly all technical, user experience, and functionality aspects. 

Some more of the key differentiators are the following:

• Worldwide coverage (get a dedicated fax number from over 40 countries worldwide and send fax to over 180 different countries)
• Advanced confirmation report with a QR code that can be used to validate the authenticity of the report
• Optimize documents for fax transmission resulting in a much better quality fax and reduced transmission time
• Ultimate reliability with a high rate of successful transmission
• Transfer your current fax number (port in) with no downtime and completely free of charge.

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Choose the best HIPAA-compliant online fax service for your business

Overall, Fax.Plus is a secure and reliable online fax service that makes the whole process of faxing a lot easier and faster. For large enterprises with security and privacy concerns in mind, Fax.Plus offers data encryption, ISO 27001, SOC 2 Type 2, HIPAA compliance, and a lot more. For businesses with high-volume usage, Fax.Plus offers mass faxing plans with extensive support on multiple devices and platforms, along with integration with high tech tools.
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Start with Fax.Plus Free Plan to explore the core features and enjoy the best way to fax online. For advanced features and additional capabilities, choose from a variety of Paid Plans designed for different business needs. If your company requires custom solutions, connect with our Sales Team for tailored plans. Learn more about our plans and pricing on the Pricing Page.