ChessViewer is a free, modern, browser-based chess diagram editor. Set up any position via drag-and-drop or FEN, customize the board, and instantly export high-quality images (PNG, JPEG, SVG) for books, blogs, or videos. No installation or account required.

Features

  • Multiple Styles: Choose from a wide variety of board themes and piece styles to match your brand or personal preference.
  • Board Element Control: Easily toggle coordinates (a-h, 1-8) and the outer board frame on or off.
  • Clean Design: A distraction-free interface focused entirely on delivering a crystal-clear chess position.
  • Drag-and-Drop: Manually set up any position by seamlessly dragging and dropping pieces onto the board.
  • FEN Support: Instantly load complex setups by pasting a FEN (Forsyth–Edwards Notation) string.
  • Database Search: Fetch positions directly from popular databases like Lichess, ChessDB, PDB, and YACPDB without leaving the editor.
  • Vector Format (SVG): Export as scalable SVG files, perfect for print materials or resizing without any loss in quality.
  • Standard Image Formats: Download crisp, high-resolution PNG and JPEG images for websites, blogs, videos, and social media.
  • Zero Installation: Runs entirely in your browser—fast, lightweight, and requires no downloads.
  • No Registration Required: Start creating immediately. No accounts, no emails, and no logins needed.
  • No Tracking or Ads: Completely free of background trackers, annoying ads, or "Premium" pop-ups.
  • 100% Open-Source: The project code is completely transparent, allowing anyone to review, fork, or contribute.

Project Samples

Project Activity

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Categories

Chess Games

License

Affero GNU Public License

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Additional Project Details

Operating Systems

Android, Apple iPhone, ChromeOS, Linux, Mac, Windows

Languages

English

Intended Audience

Developers, Education, End Users/Desktop

User Interface

React

Programming Language

TypeScript

Related Categories

TypeScript Chess Games

Registered

2026-07-18