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OAuth URL Builder

Build OAuth 2.0 / OIDC authorization URLs with PKCE support.

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Web Crypto API

About the OAuth URL Builder

Build an OAuth 2.0 or OIDC authorization URL for Google, GitHub, Microsoft, or a custom provider, with client ID, redirect URI, scopes, response type, state, and PKCE code_verifier/code_challenge generation using the Web Crypto API.

Examples

Google auth URL

client_id=abc, scope=openid email

Output

https://accounts.google.com/o/oauth2/v2/auth?client_id=abc&scope=openid+email

Keyboard shortcuts

  • Copy the main outputCtrl / ⌘ + Shift + C
  • Download the resultCtrl / ⌘ + S
  • Share this toolCtrl / ⌘ + Shift + S
  • Reset the inputsAlt + R
  • Open the tool search paletteCtrl / ⌘ + K

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Frequently asked questions

Version 1.0.0 · Updated 2026-08-10 · Runs entirely in your browser