CFNote

Unknown author · Developer Tools

Open in Chrome Web Store

Users

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Avg rating

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Ratings

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Updated

May 7, 2026

Media

4 items

Description

Persistent problem-specific notes for Codeforces. Enhance your Codeforces practice with persistent, problem-specific notes. CFNote integrates a clean, distraction-free text editor directly into the Codeforces sidebar. Features: Contextual Saving: Notes are automatically tied to your specific Codeforces handle, contest ID, and problem index. Cloud Sync: Your data automatically synchronizes across all your devices using Chrome Sync Storage. List Indicators: Easily spot previously annotated problems with visual markers right on the main problemset tables. Central Dashboard: Manage, review, and delete all your notes from a single extension popup. Offline Backups: Export your entire note history to a clean .txt file with one click.

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.
6
Description length
Characters in the listing description.
738
Media assets
Screenshots and videos on the listing.
4
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).
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These are transparent listing completeness / keyword signals, not a prediction of Chrome Web Store search ranking.