Workflowfragmented
Too much friction to create, read and edit your lines
Branches quickly become unreadable in linear formats
You lose time switching between tools to verify a position
Exporting, sending and resuming work is often cumbersome
Edit PGN files online with ChessFlare's modern chess PGN editor. Import, organize and export your games or opening repertoires, analyze positions with Stockfish, visualize variations in a clear move tree, and continue your study on desktop or mobile with cloud sync.
The problem
With outdated interfaces, confusing variation navigation and heavy workflows, building a clean repertoire quickly becomes painful.
Too much friction to create, read and edit your lines
Branches quickly become unreadable in linear formats
You lose time switching between tools to verify a position
Exporting, sending and resuming work is often cumbersome
Build, edit and structure your studies quickly
Clearly visualize main lines and variations
Launch Stockfish directly in the editor
Your PGN data stays synchronized between desktop and mobile
ChessFlare connects the core PGN editor jobs: import, clean, annotate, analyze, organize, export, and train.
Create, import, edit, annotate and export chess games in PGN format, with repertoire structure and training in one workspace.
Paste or import a PGN, clean variations, add comments, organize chapters, and keep your repertoire readable as it grows.
Check lines with built-in Stockfish, compare candidate moves, and improve preparation directly from the move tree.
Build opening repertoires by chapter, variation and idea, then turn your PGN work into training.
PGN editor workflow
Create and organize your repertoire in a dedicated panel: chapters, variations, annotations and clear structure.

Visualize all study branches in a tree chart to quickly understand transpositions and critical lines.

Verify your lines with Stockfish. Desktop and mobile are usable separately with cloud data synchronization.
Classic PGN tools can display and edit games. ChessFlare adds repertoire structure, training, analysis, and device continuity around that PGN work.
A visual repertoire-focused approach: build cleanly, then read possibilities at a glance.
A panel designed to build a robust repertoire.
A clear chart to visualize branches.
Spot key lines and their connections quickly.
You can maintain your opening memory even away from desktop.
The best online PGN editor depends on your workflow. ChessFlare is built for players who want PGN editing, repertoire organization, Stockfish analysis, move tree visualization, cloud sync, and training in one place.
Yes. You can start editing PGNs on ChessFlare for free. Some advanced features may require a ChessFlare Pro plan.
Yes. You can import existing PGN files, structure them into studies, then export your work when you need to reuse or share it.
Yes. ChessFlare includes Stockfish analysis so you can check positions, compare candidate moves, and improve lines from inside your PGN workflow.
Yes. ChessFlare is designed to turn PGN work into opening repertoires with chapters, variations, annotations, analysis, and training.
Yes. You can continue your study on mobile while your PGN studies stay synchronized with your desktop workspace.
A PGN viewer mainly displays games. A PGN editor lets you create, modify, annotate, organize, analyze, import, and export PGN content.
ChessFlare can replace many PGN editing and repertoire workflows when you want a web and mobile workspace focused on editing, analysis, structure, and training.
Use the repertoire builder panel and move tree chart to train your openings clearly and efficiently.
05 / Product