DIPLOPIA Image Duplication Finder v0.21 by Aug, 12, 2021 terms & conditions This is the beta version of an unrestricted PDF based real-time image duplication scanner. Tested with Chrome 92 on Big Sur - needs GPU support. Select relevant pages first, then draw non overlapping boxes around region of interest and submit for analysis. The following keys are available <m> markups on/off <d> download all <left click area> scroll & zoom <right click area> show pair on/off Disclaimer: All data remain yours - neither PDFs nor images will ever leave your browser. Only digital fingerprints are matched against the server database. There is no cookie, while your IP is logged by the service provider and deleted after four weeks. Comments, suggestions are always welcome (email).