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2FAuth

Free#50 of 111 in Authenticator Apps

2FAuth: A flexible open-source authenticator for self-hosted personal and multi-user deployments. Ranked #50 of 111 in Authenticator Apps by our editors (4.1/10); pricing: Open source; best for self-hosters needing web, API, and multi-user access.

4.1/10Editor score

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At a glance

Editor score
4.1 / 10
Pricing
Open source
Best for
Self-hosters needing web, API, and multi-user access
Paid from
Free
Facts checked
21 Sep 2026

Where it wins
- Supports TOTP, HOTP, and Steam Guard codes
- Multi-user accounts, groups, and account sharing
- REST API plus Chrome, Firefox, and Edge extensions
Where it doesn't
- Requires deployment on a user-controlled server or with Docker
- Operational maintenance falls to the self-hosting operator
- No native mobile platform is listed

Our verdict on 2FAuth

2FAuth is an open-source, self-hosted web application for storing, organizing, and generating two-factor authentication codes. It is designed for individuals, families, and teams that want authentication data kept under their own infrastructure. Accounts can be arranged into groups, configured by QR code or manually, and imported from supported authenticator formats. Multi-user accounts, registration controls, isolated personal vaults, and account sharing extend it beyond a single-user code generator.

Its strongest advantage is breadth within a self-hosted model. 2FAuth generates TOTP, HOTP, and Steam Guard codes, supports backup and restore through application storage and export capabilities, and offers optional encryption for sensitive database data. Browser access is complemented by extensions for Chrome, Firefox, and Edge, including OTP retrieval and QR-code capture. The REST API can manage accounts, groups, settings, and generated OTPs, making the product suitable for workflows that need programmatic control as well as a web interface.

The trade-off is operational ownership: deployment runs on a user-controlled server or through Docker, so teams must handle the surrounding hosting and maintenance responsibilities. The product fits self-hosters, technically capable families, and small teams that value control, sharing, and API access over a managed service. It is less suitable for buyers seeking a fully hosted authenticator with minimal infrastructure work or a native mobile application. For its intended audience, the combination of open-source access, multi-user features, browser support, and REST management gives 2FAuth a focused but capable scope.

Your product? Our editors can test 2FAuth in depth and publish a review, labelled as paid · from $149/mo →

2FAuth pricing

Plans Open sourceFree Free to use — no paid tier required for the core job.

See plans on docs.2fauth.app

2FAuth fact sheet

Free plan	Not verified
Paid from	Free
Code type	Totp and hotp
Push approvals	Not verified
Encrypted backup	Not verified
Multi-device sync	Not verified
Team administration	Yes
Supported platforms	web, chrome extension
Deployment	Self-hosted, Browser extension
Platforms	Web, Chrome extension
Support	Docs
Built for	Solo, Small business, Mid-market (editorial estimate)
Pricing	Open source
Website	docs.2fauth.app
Facts checked	21 Sep 2026

Alternatives to 2FAuth

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Featured on iTechGuides

2FAuth is listed in our Authenticator Apps directory. Add the badge to your site — it links back to this page.

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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Last updated 7 Oct 2026 · How we research and update