Text Tools

Notepad Regex Tester Markdown

Formatters

JSON Formatter SQL Formatter CSS Minifier HTML Formatter

Encoding Tools

URL Encoder Base64 HTML Entity URL Parser JWT Decoder

Diff Tools

Misc

Color Converter Hash Generator Timestamp Cron Expression

Text Tools

Notepad Regex Tester Markdown

Formatters

JSON Formatter SQL Formatter CSS Minifier HTML Formatter

Encoding Tools

URL Encoder Base64 HTML Entity URL Parser JWT Decoder

Diff Tools

Misc

Color Converter Hash Generator Timestamp Cron Expression

Tools
Queens

One queen per row, column and region

Loading...

Puzzle

Place the Queens

One queen in every row, every column and every colored region — with no two queens touching, not even at a corner.