Card to Calendar
Take cards from Google Now in Gmail and add them to your calendar.
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Summary
This will take the Google Now flight card for one-way flights and add it to your calendar.
Click the button on the top right when you have a card open to generate a link to add the flight to your calendar.
If someone can buy me a round trip flight, I can try it out for that too!
github.com/zachfeldman/card_to_calendar
User reviews
Safety
Risk impact
Card to Calendar 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 extension. Review carefully before installing. We recommend that you only install Card to Calendar if you trust the publisher.
Risk likelihood
Card to Calendar may not be trust-worthy. Avoid installing if possible unless you really trust this publisher.
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