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GTM Lookup Builder

Turn pasted lookup rows into server-side JSON

Generate GTM lookup table JSON in seconds.

Paste two-column lookup data, choose your GTM usage context, and download a ready-to-import JSON payload for Google Tag Manager variables.

Variable Name

Input Variable Optional

Default Value Optional

Usage Context Choose the target container context.

Lookup Data

How to import

Rows must contain exactly two columns. Empty lines are ignored.

Why this tool helps

This generator makes it easy to turn tabular lookup data into a JSON structure that fits Google Tag Manager lookup table variables, whether you are working with server-side or web container setups.

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