To use PlagiarismCheck.org, simply access the web-based platform, which requires no installation. Users can then upload their document or paste the text directly into the intuitive interface. Once the content is submitted, the platform initiates a comprehensive scan. This process involves comparing the submitted text against an extensive and diverse database, including billions of internet publications, millions of academic articles, scholarly content, and even custom databases provided by institutions. The core of the verification relies on sophisticated AI algorithms designed to go beyond basic word matching. They identify subtle similarities such as changes in sentence structure, hidden characters, synonym usage, paraphrased content, and shifts between active and passive voice, while minimizing false positives by recognizing properly formatted quotes and references. A crucial aspect is the detection of AI-generated content through the specialized "TraceGPT" feature, which accurately identifies texts produced by various AI models like Claude, Gemini, Grok, and GPT-5, boasting 90% or higher accuracy. Furthermore, for authorship verification, the "Fingerprint" feature analyzes unique writing style characteristics to help determine a document's true author, combating contract cheating. Upon scan completion, PlagiarismCheck.org generates a detailed, color-coded report. This user-friendly report highlights all similar text, differentiates between exact matches and paraphrased material, provides a similarity score, and includes direct links to the original sources. These reports also offer insights for improving writing skills. The platform supports multiple file formats, including DOC, DOCX, TXT, PDF, ODT, RTF, PPT, and ODP.