PKCE Tools

This page has some quick tools you can use while testing out the OAuth PKCE flow.

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Random String Generator (Code Verifier)

Click the button below to generate a random string of an appropriate length to use in PKCE.

Generate Random String

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URL-Safe SHA256 (Code Challenge)

Code Verifier

Calculate Hash

Code Challenge

base64urlencode(sha256(input))

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You can learn more about OAuth 2.0 by reading
OAuth 2.0 Simplified