Generate OAuth authorization URLs for Google, GitHub, Facebook, Microsoft, and LinkedIn with custom client ID, redirect URI, and scope. Code never leaves your device — formatting and validation run locally in your browser.
Content reviewed October 2026 · About Toolzum
Build OAuth scope strings from comma-separated values with URL encoding and breakdown. Space-delimited scopes with encoding handled — free, local, no signup.
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Google, GitHub, Facebook, Microsoft, and LinkedIn. Each provider's OAuth 2.0 authorization endpoint is configured with the correct parameters.
Client ID (from provider dashboard), redirect URI (your callback URL), and requested scopes. The tool assembles the complete authorization URL.
It generates the authorization URL (step 1). You still need to handle the callback, token exchange, and token storage in your application code.
Some providers support PKCE. The tool can generate the code_verifier and code_challenge for enhanced security in public clients.
No. All URL generation happens locally in your browser. No client IDs or secrets are transmitted.
OAuth2 Debugger
Debug OAuth2 flows step by step — authorize URLs, code exchange, token inspection. Fix redirect_uri_mismatch in minutes — local tooling, free, no signup.
OAuth Scope Builder
Build OAuth scope strings from comma-separated values with URL encoding and breakdown. Space-delimited scopes with encoding handled — free, local, no signup.