Are my private 2FA QR codes uploaded to a remote rendering service?

No! All QR code matrices are rendered locally using client-side JavaScript canvas/SVG.

Encoding & Decoding

TOTP QR Code Generator

Build otpauth:// QR codes for scanning into Google Authenticator or 1Password.

Safe Client-Side Security Suite

API & Secret Key Generator

KEY PREFIX

HEX RANDOM LENGTH (32 chars)

GENERATED HIGH-ENTROPY API KEY

rxd_live_1a7814efb9eb6355ab0673d301892951

About TOTP QR Code Generator

The 2FA QR Code & `otpauth://` URI Generator builds scannable vector QR codes and standard URI strings (`otpauth://totp/Issuer:account?secret=...&issuer=Issuer`) for instant camera enrollment into Google Authenticator, Apple Passwords, Authy, and 1Password.

Step-by-Step Guide

How to Use TOTP QR Code Generator

Step 1

Enter your service name (Issuer), user email/account, and Base32 secret key.

Step 2

Inspect the generated live QR code and `otpauth://` URI.

Step 3

Scan the QR code with your smartphone authenticator app to enroll.

Step 4

Click "Download QR PNG" or "Copy URI".

Industry Scenarios

Practical Use Cases for TOTP QR Code Generator

SaaS 2FA Enrollment Screen Implementation

Generate scannable 2FA enrollment QR codes for users to activate two-factor authentication on mobile authenticator apps.

Creating Re-Enrollment Backups

Convert saved Base32 secrets into scannable QR codes for restoring 2FA keys onto new smartphone devices.

Sample Data & Transformation

Input & Output Examples

Generating 2FA QR Code

Input Sample:

Issuer: "RenderXD", Account: "alex@test.com", Secret: "JBSWY3DPEHPK3PXP"

Processed Result:

URI: `otpauth://totp/RenderXD:alex@test.com?secret=JBSWY3DPEHPK3PXP&issuer=RenderXD` + Scannable QR Code image

Technical Capabilities

Key Features & Performance

✓Builds official `otpauth://totp/` RFC URI strings with custom Issuer, Account, Secret, Digits, and Period.
✓Renders crisp, high-resolution SVG and PNG QR codes with error correction levels.
✓Instant mobile phone camera scanning test.
✓100% Client-Side generation guarantees secret confidentiality.
✓1-Click Download QR Image and 1-Click Copy `otpauth://` URL.

Technical Glossary

Key Terminology & Definitions

otpauth:// URI Scheme

The standard URI format used across iOS, Android, and desktop authenticators to transfer 2FA configuration and secret keys via QR codes.

Issuer Parameter

The name of the company or application (e.g. `GitHub`, `RenderXD`) displayed as the title header in authenticator apps.

Frequently Asked Questions (PAA)

TOTP QR Code Generator FAQs

Yes! The generated QR code strictly adheres to the standard `otpauth://` format recognized by iOS Camera, Apple Keychain, Google Authenticator, and 1Password.