CalifAI

About

CalifAI turns any webpage into a sharable calendar event instantly.

See an event online? CalifAI makes adding it to your calendar effortless. Instead of opening Google Calendar, creating a new event, and typing in every detail by hand, just use CalifAI to capture the event right from the page. Drag around the event text, or press a button to capture what’s on screen, and CalifAI will turn it into a ready-to-add calendar event in seconds.

Using CalifAI is quick and simple. Click the CalifAI icon in your Chrome toolbar, press a single button or select the area of the page that contains the event, and let AI do the rest. CalifAI automatically reads the event title, date, time, location, and description, then shows you a clean confirmation screen where you can review everything before adding it to Google Calendar. The whole process takes under 10 seconds.

CalifAI works on virtually any webpage because it reads what you see on the screen, not hidden website data. That means it can handle university course schedules, academic calendars, Eventbrite and Meetup pages, confirmation emails, restaurant reservations, concert listings, sports schedules, workshop announcements, conference agendas, club event boards, online flyers, and more. If you can read it, CalifAI can read it too.

CalifAI can even detect multiple events at once. Capturing a full week’s schedule or a page with several events? CalifAI lets you choose exactly which ones you want to add. Select all of them, or just pick the events you care about, then add them to your calendar in one smooth flow. For longer schedules that continue beyond the visible screen, use Capture Screen, scroll, and then use Capture More to keep collecting events without losing your previous captures.

You are always in control. CalifAI never adds anything to your calendar without showing you first. Every event goes to a review screen where you can edit the title, date, time, location, and description before confirming. You can also choose a custom event color, download a .ics file for another calendar app, or copy a shareable Google Calendar link. Nothing gets added until you say so.

CalifAI uses Google Gemini 2.5 Flash as its default AI provider. Gemini offers a generous free tier, so most users can use CalifAI day to day without paying for AI usage. Prefer OpenAI? You can switch to GPT-4o from the Settings page. CalifAI works with your own API key for either provider and does not require a CalifAI subscription.

Getting a free Gemini API key is fast. Go to aistudio.google.com, sign in with your Google account, click “Get API Key,” create a key, and paste it into CalifAI’s setup screen. You can usually get set up in about 60 seconds.

CalifAI is customizable too. Open the Settings page to adjust the primary color, secondary color, time format, date format, default event color, and default reminder time. The clean two-color hard-lines design is built to be simple, readable, and distraction-free, while still letting you personalize the extension to match your style.

CalifAI adds events to your primary Google Calendar by default. Google Calendar’s color coding, reminders, recurrence display, and sharing features all work exactly as they normally would. CalifAI simply gets the event into your calendar faster.

CalifAI also understands recurring events when a page clearly says that something repeats, such as “every Tuesday,” “weekly until August,” or “12 sessions.” In those cases, CalifAI can create the recurrence rule automatically. If a page only lists the same event on different days without clearly saying it repeats, CalifAI creates separate one-time events instead of guessing, keeping your calendar clean and accurate.

CalifAI is designed with privacy in mind. Only the screenshot of the area you explicitly select is sent to your chosen AI provider. Google Calendar access happens directly through Google OAuth, and your calendar data never passes through a CalifAI server. Your API key is stored locally in Chrome storage on your own device. CalifAI has no backend server, no analytics, no tracking, and no telemetry.

The extension only requests the permissions it needs to work. activeTab lets CalifAI capture the current tab when you trigger a capture. scripting draws the selection overlay. storage saves your API key, preferences, and session state locally. identity handles Google OAuth login. notifications shows a quick success message when an event is added. Host permissions are used only for the Gemini, OpenAI, and Google Calendar APIs.

For the best results, make sure the event text is visible before capturing. Select tightly around the event details, including the title, date, time, and location while excluding unrelated text when possible. For dense tables or grids, capture one clean row or block at a time. If text is small, zoom in with Chrome before capturing. Gemini is the recommended starting point because it is free for most users.

CalifAI works on PDFs opened in Chrome’s built-in PDF viewer. It also works on screenshots, photos, and other images of events because Gemini and GPT-4o are vision models that can read text from images. If the AI ever gets a date, time, or location wrong, you can fix it on the review screen before adding the event to your calendar.

You need a Google account to add events directly to Google Calendar, but you can still use the Download .ics feature to export events to Apple Calendar, Outlook, or another calendar app. CalifAI caps each capture at 5 events to keep results fast and accurate. For longer schedules, use Capture More after the first batch.

By default, Chrome extensions do not run in Incognito mode, but you can enable CalifAI manually at chrome://extensions by selecting CalifAI and turning on Allow in Incognito. Your API key stays stored locally on your own machine and is never sent to a CalifAI server.

CalifAI is open source. The full source code is available on GitHub, so you can see exactly how it works, report bugs, suggest features, or contribute improvements.

Built with Gemini 2.5 Flash, Google Calendar API, WXT, React, and TypeScript.