RFC 6238 TOTP — Bank-Grade Security
Time-based one-time passwords identical to Google Authenticator and Microsoft Authenticator. Your secrets are AES-256 encrypted at rest — never stored in plain text.
Free 2FA Authenticator — No Download Needed
Your 2FA codes.
Your 2FA codes.
Any device.
Any browser.
iAuthIQ generates secure TOTP codes right in your browser. No app store, no phone required — the free Google Authenticator alternative that works everywhere you do.
100% Free
RFC 6238 TOTP
AES-256 encrypted
No download needed
Works with
GitHub
Google
Microsoft
Amazon
Discord
Dropbox
Twitter / X
Facebook
LinkedIn
+ hundreds more
Built for the browser.
Designed for every human.
The free authenticator that works wherever you work — no app store, no phone, no excuses.
Works in Any Browser — No Install
Chrome, Firefox, Safari, Edge — it doesn’t matter. Open iAuthIQ on your desktop, laptop, tablet, or phone. No app store, no phone required, no download ever.
Scan QR Codes Instantly
Add any 2FA account by scanning its QR code directly in the browser — or paste the secret key manually. Compatible with Google, GitHub, Amazon, and hundreds of services.
Unlimited Accounts — Always Free
Manage as many authenticators as you need at zero cost. No premium tier, no paywall, no account limits — iAuthIQ is genuinely free.
Fresh Codes Every 30 Seconds
Codes refresh automatically on the TOTP 30-second cycle with a live countdown ring. Search, copy, and use codes in seconds — the fastest 2FA workflow on any device.
Installable PWA — Works Offline
Install iAuthIQ as a Progressive Web App for a native app-like experience. Generates TOTP codes offline once installed — no internet connection needed for existing accounts.
Up and running
in under 60 seconds.
-
Create your free account
Sign up with a username, email, and password. No phone number, no credit card, no third-party login required. Your account is yours, completely.
-
Add a service
Click “Add Account” and scan the QR code shown by Google, GitHub, Microsoft, or any TOTP-supporting service — or paste the secret key directly.
-
Use your live codes
Your codes appear immediately and refresh every 30 seconds. Search by service name, copy with one click, and stay calmly in control of every account.
Better than
the alternatives.
iAuthIQ was built to fix every frustration with existing authenticator apps.
iAuthIQ
The browser-native authenticator
Works everywhere. Free forever. No phone, no download, no lock-in.
- Works in any browser, on any device
- No app store or phone number required
- Unlimited free accounts, forever
- Easy account import & export
- Installable offline PWA
- AES-256 encryption at rest
vs Google Authenticator
Desktop & browser access
Google Authenticator is phone-only. iAuthIQ works on every device with a browser — including your computer.
- No phone required
- Easy backup and recovery
- Works on desktops and laptops
- No Google account dependency
vs Authy & Microsoft
Lighter, simpler, truly free
No phone number needed, no push notification overhead, no vendor account — just clean, instant TOTP codes.
- No phone number registration
- No vendor account required
- Simpler and faster interface
- Open in any browser instantly
Answers to the
obvious questions.
What is the best free authenticator app?
iAuthIQ is the best free authenticator app available online. It works in any browser without a download, supports unlimited accounts, and generates secure 2FA TOTP codes — completely free.
Can I use an authenticator without my phone?
Yes. iAuthIQ is a web authenticator that works without a phone. Open it in any browser on your computer, tablet, or any device to access your 2FA codes instantly.
Is iAuthIQ a Google Authenticator alternative?
Yes — iAuthIQ is fully compatible with Google Authenticator. It generates the same TOTP codes, supports QR code scanning, and adds multi-device access that Google Authenticator lacks.
Is iAuthIQ authenticator safe?
Absolutely. iAuthIQ uses AES-256 encryption, secure sessions, and follows security best practices. Your authenticator secrets are encrypted and never shared with third parties.
Does iAuthIQ work offline?
Yes. Once installed as a PWA (Progressive Web App), iAuthIQ can generate TOTP authenticator codes offline — because TOTP codes are time-based and calculated locally in the browser.
How do I add accounts to iAuthIQ?
Sign up for free, then click “Add Account” and scan the QR code from your service provider — or paste the secret key manually. Works with Google, GitHub, Microsoft, Amazon, and hundreds more.
Start protecting your accounts.
Free, forever.
Join thousands using iAuthIQ as their go-to 2FA authenticator. Works in any browser, on any device — the Google Authenticator alternative that works everywhere you do.
What is iAuthIQ?
iAuthIQ is the best free authenticator app available in any web browser. Unlike Google Authenticator or Authy, iAuthIQ requires no phone, no download, no app store. Create a free account, scan your QR code, and your 2FA TOTP codes are ready on any device. iAuthIQ is the top alternative to Google Authenticator, Microsoft Authenticator, and Authy — completely free, unlimited accounts.