Easily spot and correct plagiarism to make sure that your work is one-of-a-kind.
Used by Students and Academics from all over the world
See not just a score. Get a full breakdown of what was flagged, where it came from, and how to fix it.
Every flagged sentence is highlighted and linked directly to the matching source. You see what was copied, what was paraphrased, and where it originally appeared.
Found a problem? Rewrite flagged sections directly in the editor. No copying text into another tab, no back-and-forth. Detection and revision happen in the same place.
Properly cited quotes, bibliographies, and reference lists are automatically excluded from your plagiarism score. What you see reflects your original writing, not references.
Check for plagiarism on any essay, assignment, paper, or piece of content in three steps.
1
Paste your text directly into the editor or upload a file in PDF, TXT, or DOCX format. No reformatting required. The plagiarism checker tool accepts documents of any length, from a single paragraph to a full research thesis.
2
JustDone compares your work against billions of sources: public web pages, academic journals, open-access research databases, and previously submitted student work. Your plagiarism score appears in minutes with a clear percentage showing how much of your text can be flagged.
3
Every flagged section has a direct link to the matching source. You can see exactly what was matched and where it came from. Rewrite flagged sections directly in JustDone, add missing citations, or use the built-in paraphrasing tool to rework passages that are too close to a source.
Enhance writing skills, create original content, and meet any given academic requirements without plagiarism.
Check sources and other text materials to ensure accuracy and credibility.
Excel by refining ideas, simplifying texts, enhancing learning, ensuring originality, and creating authentic content for academic success.
Maintain originality by citing sources, paraphrasing accurately, and checking for originality before submitting your work. These steps benefit students in upholding academic integrity.
JustDone is committed to promoting and protecting academic integrity. Our tools are designed to help students create authentic work. Before submitting content checked with JustDone’s Plagiarism Checker, make sure you follow your institution’s or organization’s rules on how to credit AI support.
Direct copying, paraphrasing without citation, mosaic plagiarism, self-plagiarism, and accidental plagiarism. JustDone's plagiarism checker tool identifies all of them through sentence-level analysis linked to original sources.
Paraphrasing without a citation is plagiarism. The idea still belongs to the original author regardless of how you expressed it. If your plagiarism score flags a paraphrased section, the paraphrase is too close to the source or the citation is missing.
Submitting AI-generated content as your own without disclosure violates most academic integrity policies. A plagiarism check confirms your text does not match existing sources. A separate AI scan confirms it does not carry AI-generation patterns. JustDone includes both in one workflow.
Paste your text into JustDone's plagiarism checker, run the scan, and review the results. Every flagged section links directly to the matching source so you know exactly what overlapped and what needs a citation or a rewrite.
Most universities accept a plagiarism score under 15%, but it depends on what is driving the number. Properly cited quotes appear as matches and are not a problem. Unattributed sections are. Always review what is flagged rather than focusing only on the overall percentage. Besides, check your institution's specific threshold.
Yes. Reusing your own previously submitted work without disclosure is self-plagiarism and violates most academic integrity policies. Once a paper enters a plagiarism database, a plagiarism check will flag the overlap. Disclose any prior work to your instructor before submitting.
Accidental plagiarism is the unintentional use of someone else's words or ideas without attribution. It includes forgotten citations, over-reliant paraphrasing, or notes that blurred the line between source material and your own writing. It is one of the most common reasons students get flagged, and one of the most preventable with a pre-submission plagiarism check.
The plagiarism checker tool breaks your text into fragments and compares them against a large database. Matches are identified by similarity, not just exact copying, so paraphrased plagiarism also gets flagged. JustDone also analyzes sentence structure and writing flow to catch what basic tools miss entirely.
Cite as you write rather than at the end. Paraphrase from memory after closing the source. Use a citation generator for correct formatting. Run a plagiarism checker early in the drafting process. Catching issues at draft stage takes minutes to fix, not a formal integrity process to explain.
