Analyze and compare your documents to find plagiarism

3.8 on 38 votes

0/5 stars
License: Freeware
Total downloads:8,351 (6 last week)
Operating system:Windows XP/7/8/10
Latest version:1.6.6
Screenshot collage for CopySpider


Check your texts for plagiarism by comparing the original document with other text files stored locally or on the web or searching through an extensive online database. Use the fingerprinting technology to have a number of relevant chunks extracted from text and compared to the selected files.

The 1.6.6 version of CopySpider is provided as a free download on our website. You can install this free PC software on Windows XP/7/8/10 32-bit. CopySpiderLauncher.exe is the most common filename for this program's installer.

The most popular versions among CopySpider users are 1.6, 1.3 and 1.1. Our built-in antivirus scanned this download and rated it as virus free. The software lies within Education Tools, more precisely Teaching Tools. This free program was originally designed by CopySpider.

From the developer:

The CopySpider is a freeware tool to test documents under the existence criterion of undue copies of other documents available on the internet.

A document has copies undue when it suits or transcribed passages from other documents without showing compliance with the standard citation references (bibliography).

The CopySpider was designed to be nimble and precise in identifying similar documents available on the internet.

You may want to check out more software, such as CrypTool, GPSS World Student Version or G4FON Koch Method Morse Trainer, which might be similar to CopySpider.


Thank you for rating the program!
Please add a comment explaining the reasoning behind your vote.
Your vote:
Latest update:
Latest updates

Backup & Restore

Screen InStyle
Screen InStyle

System Optimization

MixMeister Fusion
MixMeister Fusion

Music Production