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Free web application
No installation required. Secure, private and fast. Just upload your files and get a report.
Try Dolos
Quick and easy plagiarism detection for a wide range of programming languages.

No installation required. Secure, private and fast. Just upload your files and get a report.
Try Dolos
Dolos supports many programming languages by leveraging the tree-sitter parser library.
Supported languages
Run Dolos from the command line or use it as a library in your own project. For advanced users.
Installation instructions
View, use and contribute to the source code. Licensed under the MIT license.
View source
Dolos is the result of active research in the field of source code plagiarism detection.
Publications
Using state-of-the-art algorithms, Dolos helps you discover plagiarism.
How it works