Codeforces Calendar

Unknown author · Tools

Open in Chrome Web Store

Users

Avg rating

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Ratings

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Updated

Apr 8, 2026

Media

1 item

Description

Sync upcoming Codeforces contests to Google Calendar. Chrome extension that syncs upcoming Codeforces contests into Google Calendar. It injects `Sync` buttons into the Codeforces upcoming contests table. Clicking `Sync` creates or updates a Google Calendar event for that contest. ## How to use 1. Click the extension icon and follow the instructions in the popup. 2. Open the Codeforces contests page and click `Sync` on an upcoming contest row. 3. You can click `Sync` again later to update the same event. ## Permissions - Uses Google sign-in and Calendar access to create/update events. - Reads Codeforces upcoming contest pages and Codeforces API to get contest data.

History

30d 90d 1y all

rating_count is the Chrome Web Store ratings count, not a written-review count.

Details & SEO

SEO signals

Listing completeness signals

Title length
Characters in the extension name.
19
Description length
Characters in the listing description.
677
Media assets
Screenshots and videos on the listing.
1
Has promo video
Whether the listing includes at least one video.
No
Languages
Declared language locales.
1
Developer website
Listing exposes a developer website URL.
No
Contact email
Listing exposes a contact email.
Yes
Keyword in name
Case-insensitive substring match in the name.
—
Keyword in description
Case-insensitive substring match in the description.
—
Keyword occurrences in description
Count of case-insensitive occurrences in the description.
—
Category user-count percentile
Share of same-category extensions with fewer users (null if unknown).
36.1

These are transparent listing completeness / keyword signals, not a prediction of Chrome Web Store search ranking.