FaxItOnce
FaxItOnce is a browser-based online fax service for individuals and small businesses that need to send occasional documents without maintaining a monthly fax subscription. Users upload a PDF or image, enter a recipient fax number, and pay per fax; the service supports sends of 1 to 45 pages for a flat $2.75. It provides delivery status and email confirmation, retries transmission, and says undeliverable faxes are refunded automatically. The service can be used from desktop computers, phones, and tablets with a web browser, with no fax machine, phone line, or app download required. Common uses include sending insurance and financial forms, school and employment paperwork, legal documents, government applications, and real-estate forms. FaxItOnce is send-only and is not designed to provide inbound fax numbers, shared team inboxes, or daily office fax workflows.
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Fax.Plus
Fax.Plus is an extremely secure HIPAA and SOC 2 Type 2 compliant online faxing solution for businesses of all sizes, from large enterprises to SMEs and even individuals.
Fax.Plus Features:
• Extremely easy to use with availability on multiple platforms, including web, mobile, email, and more.
• Set up team with the option to assign one/multiple fax numbers to one/multiple members.
• Programmable fax API to integrate online fax functionalities into your own software.
• Compliant with the world’s strictest data regulations such as ISO 27001, SOC2 Type 2, …
• HIPAA compliant faxing solution for healthcare providers to transmit individuals’ protected health information (PHI).
• Data encryption in transit and at rest.
• Date residency to meet all your data compliance requirements.
• Extensive integrations: Slack, Zapier, Google Workspace, Microsoft, ...
• Single Sign-On (SSO).
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LowFax.com
LowFax.com is a pay-as-you-go online fax service built for people who need to send a fax occasionally without a monthly subscription or fax machine. Upload your document, enter the recipient's fax number, and pay only for what you send — starting at $1.99 for the first 10 pages to the US, or $2.99 to Canada. International faxing is supported to the UK, Australia, Germany, Hong Kong, Hungary, and India, with more countries being added. Documents are encrypted in transit, and LowFax includes an optional cover page generator, delivery confirmation, and support for PDF, Word, JPG, and PNG files. No account required, no recurring charges.
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LuzardoFax
Most online fax providers advertise a price that excludes the Business Associate Agreement. It sits on a higher tier, and a practice on the cheap plan is out of compliance from the first page it sends.
LuzardoFax includes the signed BAA on every paid plan, executed in-app during onboarding — not emailed as a PDF, not gated behind a sales call. Each signature is anchored to the Bitcoin blockchain through OpenTimestamps for independent verification.
Billing counts actual document pages, not 60-second transmission increments, so a dense scan or a slow receiving line cannot silently multiply your usage. Failed attempts cost nothing, and there is no automatic overage billing — at 110%, sending and receiving pause until you top up.
Encrypted at rest with LUKS2 (AES-256), TLS in transit, audit logs, two-factor authentication. Month-to-month; numbers port out with a documented exit kit. Bilingual English/Spanish. From $25/mo, 14-day free trial.
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