Sites to check your work for plagiarism:
1) Advego Plagiatus
One of the best and fastest programs for checking any text for uniqueness. Checks text fragments up to 10,000 characters for free. More than 10,000 characters – the check is paid. There is also the possibility of spell check and seo-analysis.
The service calculates the overall text uniqueness as a percentage, as well as the uniqueness of each found page with matches. It is possible to see which parts of the text were found on each of the analyzed pages. The text length is restricted up to 3000 characters (10,000 characters after registration); up to 5 requests per day for one user (20 after registration).
3) Etxt Antiplagiat
Analogue of Advego Plagiatus, text check is longer, but it is checked more carefully. You do not need to register for online check. Based on the proposed options, the overall text uniqueness is calculated as a percentage, as well as the uniqueness of each found page with matches.
Plagiarism check program. A very important advantage is that the resource supports more than 190 languages. The service is free.
5) Unicheck (за договором з установою)
Online service for checking the text for borrowings from open sources and the Internet. The service checks doc, docx, rtf, txt, odt, html, zip, rar, .xls, pdf formats. The program has a wide range of tools and a clear interface.