"My Personal Dictionary" is a Chrome extension developed by NuckNine that enables users to translate Finnish words to English and add them to a personal dictionary for learning and reference. The extension offers features such as translating and saving words, receiving word suggestions, viewing and managing the personal dictionary, accessing Wiktionary content, editing or deleting words, exporting the dictionary in a compatible format, practicing with saved words, and syncing the dictionary across devices.

Users can easily translate and save words by highlighting them on any webpage, access word suggestions, manage their personal dictionary, export it for external use, and practice vocabulary. The extension provides a seamless experience for language learners and those looking to enhance their vocabulary effortlessly.