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OTP URI Builder

Build otpauth:// URIs for authenticator apps.

Result
otpauth://totp/MyApp:user%40example.com?secret=JBSWY3DPEHPK3PXP&issuer=MyApp

What is the OTP URI Builder?

The OTP URI Builder is a free online security tools from Markvibe. Build otpauth:// URIs for authenticator apps. It runs entirely in your browser — your data never gets uploaded — and works on desktop, tablet and mobile with no sign-up.

Reviewed by The Markvibe Team · Last updated 2026-06-28

Example

A worked example so you know exactly what to expect.

Input
(your input goes here)
Output
(the OTP URI Builder runs in your browser and shows the result instantly)

How to use OTP URI Builder

  1. 1Open the OTP URI Builder above on MarkVibe — it loads instantly with no sign-up.
  2. 2Enter or paste your input into the OTP URI Builder field.
  3. 3Adjust any options to control exactly how OTP URI Builder produces the result.
  4. 4OTP URI Builder runs locally in your browser and shows the result immediately.
  5. 5Copy the output to your clipboard or save it, then share the OTP URI Builder link with anyone.

Why use our OTP URI Builder

  • ✓ 100% free OTP URI Builder — no sign-up, no watermark, no hidden limits
  • ✓ Runs entirely in your browser so your data never leaves your device
  • ✓ Blazing-fast results — built for speed by Markvibe
  • ✓ Mobile-friendly: use OTP URI Builder on phone, tablet, or desktop
  • ✓ One of 184+ security tools utilities under one roof
  • ✓ Privacy-first: no tracking of inputs, no accounts, no ads in the tool area

OTP URI Builder — frequently asked questions

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