CFNote

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.