Free workflow tools

Check workflow inputs and plan usage with these free tools for JSON, webhook fields and Flowi Tokens.

Published 9 October 2026 · Updated 9 October 2026

• JSON validator

  Check whether a JSON payload has valid syntax before using it in a workflow.

• Webhook field mapper

  Map fields from a webhook payload to the fields your workflow needs.

• Flowi Token usage calculator

  Estimate monthly Flowi Tokens from executed nodes, branches and retries.

For a workflow to try, follow the production-tested webhook to Google Sheets tutorial. See pricing for the AI Flowi Workflow plan. Read the AI Flowi Workflow product overview before configuring and testing a workflow.

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