Tūrnitin Similarity & AI Detection

Before You Submit

• 1. Documents will not be stored by Tūrnitin.
• 2. Tūrnitin supports English and Spanish checking.
• 3. Only text can be checked; images cannot be recognized.；
• 4. The submitted main text, excluding references, tables, and similar content, must contain 320–29,000 English or Spanish words; otherwise the official report may not be generated.；
• 5. Tūrnitin similarity checking does not exclude quoted text or bibliography entries by default. Remove references if you only want to check the main text.
• 6. Uploads support DOCX and PDF only. Different file formats may lead to differences in checking results.；
• 7. The check is estimated to finish within 10 minutes and produce a report.
• 8.This service previously supported separate similarity and AI-detection checks; each submission now checks both items together. Similarity and AI-detection credits have been merged. Please contact Customer Support with any questions.