Rätselhilfe. net is a free online resource for people solving crossword puzzles, Swedish-style picture puzzles, and anagrams. Its central service is a searchable lexicon of possible answers, supported by a database that the site reports contains more than 316,000 entries and continues to grow.

Users can enter a clue and refine their search by specifying the answer length and any letters already known, helping narrow the results to likely solutions. The platform is designed to be accessible to both experienced puzzle enthusiasts and beginners, with straightforward search tools and a broad range of puzzle topics. Visitors can also contribute missing entries, corrections, and suggestions, making the resource community-supported.

Alongside its main puzzle-solving tools, the site features a blog with updates and improvement notes, recent additions to the database, and an Android app. It also offers English crossword help and lists common search categories, including names, animals, plants, places, and other general-knowledge subjects