Local 2FA tools · Setup guides · Recovery flows

Choose, set up, test, and recover your 2FA.

Private browser tools and practical guides. Not another authenticator app.

Use free tools Find an authenticator

Runs locally after page load No hosted TOTP secrets Cloudflare free-stack ready

Start with the task

What do you need right now?

Developers and users actively setting up 2FA. Use free 2FA tools

Generate test TOTP codes, parse otpauth URIs, inspect QR codes, and check time drift locally.

Users choosing or replacing an authenticator app. Find an authenticator

Compare apps by platform support, backups, privacy posture, import options, and recovery model.

Users locked out or preparing for device loss. Recover account access

Start with backup codes, old devices, logged-in sessions, administrator paths, and official recovery links.

Admins and SaaS operators managing MFA adoption. Roll out MFA for a team

Use policy templates, employee checklists, admin recovery flows, and audit log examples.

Free local tools

Generate, parse, scan, and troubleshoot without sending secrets to a server.

Tool inputs stay in browser memory. Form APIs reject secrets, otpauth URIs, decoded QR contents, and raw tool inputs.

TOTP Generator Generate and test time-based 2FA codes in your browser without sending secrets to the server. otpauth URI Parser Decode otpauth:// URIs locally to inspect issuer, account, secret, algorithm, digits, and period. 2FA QR Code Decoder Read a QR code image locally and identify whether it contains an otpauth URI or another value. QR Code Generator Generate QR codes locally for text or otpauth URIs, with clear warnings for secret-bearing values.

Do not lose access again

Set up 2FA with recovery in mind.

Open recovery center

Choose an app

Compare platform support, backup model, open source status, and export options.

Set up 2FA

Use platform guides with QR, manual key, recovery codes, and official sources.

Save recovery info

Print backup codes, test a recovery route, and document administrator escalation.

Test restore

Check time drift, keep old devices until verified, and avoid deleting tokens too soon.

Setup guides

High-value platforms first.

How to Set Up 2FA on GitHub How to Set Up 2FA on Gmail How to Set Up 2FA on Microsoft How to Set Up 2FA on Discord How to Set Up 2FA on Instagram How to Set Up 2FA on Facebook

Directory snapshot

12 reviewed authenticator options.

Browse by mobile, desktop, browser, open-source status, backup model, and import/export support.

Browse directory

Neutral comparisons

Understand tradeoffs before you switch.

Compare apps

Choose an authenticator app based on practical tradeoffs.

Best Authenticator Apps

Compare authenticator apps by platform, backup model, privacy posture, import/export support, and recovery experience.

Evaluate whether to stay with Google Authenticator or move to another app.

Google Authenticator Alternatives

Compare alternatives to Google Authenticator for backups, cross-platform use, privacy, and migration workflows.

Compare Microsoft Authenticator with neutral TOTP apps.

Microsoft Authenticator Alternatives

Understand Microsoft Authenticator tradeoffs for enterprise sign-in, backups, password autofill changes, and personal 2FA.