Offline Caching
Enable offline caching on any web site or app, allowing for usage even without Internet access.
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Summary
This add-on enables offline caching on any web site or app, even those that aren't developed with this feature in mind, allowing use when Internet isn't available. This works by injecting a dedicated Service Worker on any host you choose via the popup menu, so it has the benefit of using an established and well-tested web technology to do its job. Due to Service Workers limitations, keep in mind that this only works on HTTPS sites and outside of private browsing mode.
Safety
Risk impact
Offline Caching is risky to use as it requires a number of sensitive permissions that can potentially harm your browser and steal your data. Exercise caution when installing this add-on. Review carefully before installing. We recommend that you only install Offline Caching if you trust the publisher.
Risk likelihood
Offline Caching may not be trust-worthy. Avoid installing if possible unless you really trust this publisher.