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ThemeWatch: Compare Theme Code logo

ThemeWatch: Compare Theme Code

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See exactly what changed in your Shopify theme code. Compare any two themes side-by-side with color-coded highlights. No coding knowledge required.

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| Launched Feb 2026
Theme Watch app icon with code comparison interface previewSide-by-side code comparison showing theme file differencesList of modified files with red change indicatorsTheme selection dropdowns for source and target comparisonTheme Watch app icon with code comparison interface previewSide-by-side code comparison showing theme file differences

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