Here are some free kanji quizzes:
Japanese Kanji Quizzes - 日本語英語クイズ
There are over 1500 multiple choice questions in 11 quizzes on...
*common kanji
*technical terms
*kanji for names
*newspaper kanji
*katakana
There is also another section with quizzes on kanji phrases:
Japanese Kanji Phrase Quizzes - 日本語英語フレーズクイズ
*simple phrases
*time phrases
*phrases about the days of the week
With a bit of practice you can score 90/100 in just 15 minutes...
