1, PaperTime Paper Time: There are various types of duplicate checking systems on the platform, all of which are authentic from official website, to ensure the safety of the paper. Among them, papertime paper detection system pioneered free paper search, providing paper weight reduction and machine typesetting functions!

2. Paperless paper duplicate checking: Paperless paper detection system provides users with free paper detection, with the purpose of letting users know what excellent paper detection is through personal experience and preventing cheating in inferior paper detection. PaperFree perfectly realizes the whole process of "no paper detection-online real-time marking-comprehensive paper detection again-successful paper detection" for users.

3.PaperTime paper duplicate checking: The system also provides users with free paper detection, which generally takes 5- 10 minutes. The purpose is to let users know what excellent paper detection is through personal experience and provide online duplicate checking function.