1Papertime: free paper duplication checking, providing graduates with professional one-stop services such as paper repetition rate detection, paper weight reduction and online paper revision. First registration is free.
2PaperFree: If you register for the first time and participate in duplicate checking activities in official website, you will get a free duplicate checking opportunity.
3paperday: You can check your weight for free, and provide functions such as intelligent weight loss and online modification.
It should be noted that when using these free paper duplicate checking websites, we must protect personal privacy and information security, and avoid using public computers or networks to check duplicates, so as not to cause papers to be stolen or leaked.
At the same time, when using the free duplicate checking website, you need to read its terms carefully to understand its specific free scope and restrictions.