**Simple chess FEN/PGN viewer with evaluation

What it does

SimpleChessBoard is simple chess position and game analysis tool available as browser extension for Mozilla Firefox, Google Chrome and as a web page at


Copy your FEN or PGN to clipboard and paste it in the input box at the top. You can also manually edit and change FEN displayed there. This tool also supports entering games as list of moves in simplified format like this: “1. e4 e5 2. Nf3 Nf6 3. d4”. You have several options to make legal moves on board - Click on move in list of all legal moves in the right or move piece with mouse using drag and drop or select piece and then click on destination square. This is useful on touchscreen.

Note: To add, remove pieces or make illegal moves you need to use edit mode (see below).

Buttons and main menu



GPLv3 (see license.txt)