localStorage Pros: Synchronous, and thus easier to work with: var value = localStorage[key] Has support in Dev Tools: Resources > Local Storage to view and modify. Cons: Only stores strings, therefore you need to serialize data yourself, i.e. with JSON.stringify Is not accessible from content scripts (or rather, context scripts share it with the page … Read more
Storage Area Explorer extension provides a UI for viewing, editing, clearing, importing and exporting of chrome.storage.local, chrome.storage.sync, localStorage and sessionStorage:
Here’s a tailored answer to your question. It will still be 90% long explanation why you can’t get around async, but bear with me — it will help you in general. I promise there is something pertinent to chrome.storage in the end. Before we even begin, I will reiterate canonical links for this: After calling … Read more