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2FA Authenticator

Two-factor codes without reaching for your phone.

Generate time-based one-time passwords (TOTP) from stored secrets — computed locally.

  • Side panel
  • Saved locally
Add to Chrome(opens the Chrome Web Store in a new tab)or pressCtrlShiftSpace
One Panel Search tools

2FA Authenticator

Side panel

TOTP codes

Ready01 / 04

01Features

What it does

  1. 01TOTP codes
  2. 02Multiple accounts
  3. 03Countdown
  4. 04Stored locally

02Use cases

When you'll reach for it

Log into staging accounts
Keep 2FA for test accounts in one place

How to open it

  1. 1

    Side panel

    Click the One Panel icon in the toolbar and search for “2FA Authenticator”.

Privacy

  • Saves its data in chrome.storage.local on this device. Nothing is synced to a server.

Keep going

Pairs well with

Security

Encoder / Decoder

Base64, URL, HTML, Unicode and Hex encoding and decoding.

Security

Hash Toolkit

SHA and MD5 hashing plus HMAC, all computed locally.

Security

JWT Toolkit

Decode and inspect JSON Web Tokens: header, payload, claims and expiry.

Security

Password Generator

Generate cryptographically random passwords with charset options.

Security

Random Generator

Cryptographically random numbers, strings, hex, UUIDs and NanoIDs.

Privacy

Ad Blocker

Block ads and trackers on websites and YouTube. Per-site allowlist and filter lists.

Get 2FA Authenticator and 80 more

One install adds every tool to your side panel. No account, nothing to configure.

Add to Chrome(opens the Chrome Web Store in a new tab)