GC Wizard is a free, open-source tool collection designed to support Geocachers with in-field mysteries and riddles. It offers a variety of features such as multi-stage variables handling, multi-decoder, and over 200 sets of symbol tables for direct decoding symbols to characters. The app also includes an online manual for each tool, translated into English and German.

The app provides a wide range of cryptography and encoding tools, including configurable alphabets with language-specific special character handling, Braille graphical decoder, book cipher, Enigma simulator, and more. Additionally, it offers high-precision coordinate algorithms that support long distances and different ellipsoids, along with support for UTM, MGRS, XYZ, SwissGrid, NAC, PlusCode, Geohash, and more.

The app also includes tools for science and technology, such as astronomy, color space converter, numeral systems converter, periodic table of the elements, and more. Moreover, it offers hex viewer, exif/metadata viewer, color correction, and hidden data search tools for images and files. GC Wizard is a comprehensive tool collection suitable for Geocachers and anyone who needs a powerful utility tool.