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Free tool

GTM dataLayer Builder

Build a dataLayer.push() visually. Add keys, pick a type, nest objects and arrays — the script writes itself on the right.

Start from
Quotes

Keys and values

Generated code

Import existing JSON / dataLayer object
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Use this tool on your own site

Free to embed, no attribution required, though a credit link is appreciated and included by default. The tool runs entirely in the visitor’s browser, so nothing you enter is sent anywhere.

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Andrei's avatarAndrei
July 31, 2026
1 min read
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