Extended DevTools por Sab
A toolkit for web developers: inspect the adobeDataLayer as a live JSON tree, check computed font properties of any selected text, and toggle JavaScript on/off per tab.
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Extended DevTools adds three utilities to your browser:
Data Layer Inspector
Opens a panel in DevTools (F12) that reads
Font Checker
Select any text on a page, right-click, and choose "Check Font" from the context menu. A popup shows the computed font properties — rendered font, font family stack, size, weight, style, line height, color, letter spacing, text transform, text decoration, font variant, and font stretch — along with a live styled preview of the selected text.
JavaScript Toggle
Click the toolbar icon to disable or enable JavaScript on the current tab. The icon reflects the current state. Useful for testing progressive enhancement and no-JS fallbacks.
All processing happens locally in your browser. This extension does not collect, store, or transmit any data.
Data Layer Inspector
Opens a panel in DevTools (F12) that reads
window.adobeDataLayer and displays it as an interactive, collapsible JSON tree. The panel auto-refreshes every second and only re-renders when data changes. You can copy the full JSON to your clipboard or reset the data layer directly from the panel.Font Checker
Select any text on a page, right-click, and choose "Check Font" from the context menu. A popup shows the computed font properties — rendered font, font family stack, size, weight, style, line height, color, letter spacing, text transform, text decoration, font variant, and font stretch — along with a live styled preview of the selected text.
JavaScript Toggle
Click the toolbar icon to disable or enable JavaScript on the current tab. The icon reflects the current state. Useful for testing progressive enhancement and no-JS fallbacks.
All processing happens locally in your browser. This extension does not collect, store, or transmit any data.
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Permissions and data
Permissões necessárias:
- Estender as ferramentas de programador para aceder aos seus dados em separadores abertos
- Aceder aos separadores do navegador
- Aceder à atividade do navegador durante a navegação
- Aceder aos seus dados para todos os sites
Data collection:
- The developer says this extension doesn't require data collection.
Mais informação
- Versão
- 1.0.0
- Tamanho
- 30,66 KB
- Última atualização
- há 7 dias (11 de fev de 2026)
- Categorias relacionadas
- Licença
- Licença Pública Mozilla 2.0
- Histórico de versões
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