Interactive Developer Tools
A set of utility tools designed to speed up your automation configuration. Code parsed and compiled entirely in your browser.
JSON Formatter & Validator
Validate, clean, and format webhook payloads and raw webhook data. Useful for cleaning JSON before pasting into n8n custom mock-nodes.
// formatted JSON will appear here...
Base64 Encoder & Decoder
Encode payload details or decode raw Base64 strings. Crucial for designing OAuth Basic headers, payload verification tokens, or file transfers.
// converter result will appear here...
n8n Expression Builder
Build clean expressions for n8n input fields. Simply choose your target node source and structure options to generate ready-made templates.
{{ $json.data.id }}
💡 Pro Tip: Copy this expression and paste it directly in any string parameter box in n8n (ensure "Expression" tab is highlighted in the node configuration panel).