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Cache Storage Viewer - Online Inspect PWA Cache

Developer Tools PWA Cache Storage offline PWA viewer
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Cache Storage Viewer

Inspect and manage the cache storage of this domain for Progressive Web Apps.

Cache API is not available. Please open this tool in a secure context (HTTPS or localhost).
URL Method Status Content-Type Size Actions

No entries found in this cache.

Loading entries...

Frequently Asked Questions

Cache Storage is a browser API that allows websites (especially Progressive Web Apps) to store request/response pairs for offline access and faster loading. It is often used by service workers to cache assets like HTML, CSS, JavaScript, and images.

Use this tool – it lists all caches and entries for the current domain. Alternatively, you can open Chrome DevTools (F12) → Application tab → Cache Storage to inspect and delete entries.

The Cache API requires a secure context (HTTPS or localhost). If you are on an HTTP page, the browser will block access for security reasons. Please open the tool on an HTTPS site or localhost.

Select the desired cache from the dropdown, then delete individual entries using the trash icon, or click "Clear All Caches" to remove every cache for this domain. This is equivalent to deleting site data in browser settings.

Yes, click the "View Details" button to open a modal showing response headers and a text preview of the body. For binary files (like images), only the headers and size are displayed.

Browsers set dynamic limits based on available disk space. You can check the estimated usage with the Storage API (navigator.storage.estimate()). The cache will be evicted automatically when disk space is low.

Not automatically. It depends on the service worker strategy (e.g., stale-while-revalidate). Usually, new versions are cached when the service worker script changes and the new worker activates, or when a network update is triggered by the page.
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