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copydetect

No phone app

5.9No. 9 of 23
in Code Clone Detection Tools
  • Recognised40% of the score20
  • Phone app26% of the score0
  • Documented20% of the score100
  • Free plan14% of the score30
Free plan
No
Runs on
api, Linux, Mac, self-hosted, Windows
Visit site Alternatives

Summary

copydetect is ranked #9 of 23 in code clone detection tools on Samsung Mobile US Press. It runs on API, Linux, macOS, Self-hosted, Windows.

Compared on code clone detection tools

Free plan
Yesgithub.com
Clone detection method
tokengithub.com
Scan scope
repositorygithub.com
CI integration
Nogithub.com
IDE integration
Nogithub.com
Self-hosted option
Yesgithub.com

Facts

Purpose
Copydetect is a code plagiarism detection tool that compares code directories and generates an HTML report showing copied slices.copydetect.readthedocs.io · 1 Oct 2026
Detection method
It uses the Winnowing document-fingerprinting approach used by the MOSS platform.copydetect.readthedocs.io · 1 Oct 2026
Language coverage
Pygments tokenization gives copydetect support for all 500+ languages that Pygments can detect and tokenize.copydetect.readthedocs.io · 1 Oct 2026
Installation
The package is installed with pip and requires Python 3.7 or greater.pypi.org · 1 Oct 2026
Command line
The simplest command-line usage is copydetect -t DIRS, which recursively searches supplied directories and compares files.github.com · 1 Oct 2026
Reference code
Separate reference directories can be supplied, including previous submissions, and boilerplate directories can exclude provided code from plagiarism matches.github.com · 1 Oct 2026
Filtering
Tokenization and filtering replace variable names with V, function names with F, object names with O, and strings with S.copydetect.readthedocs.io · 1 Oct 2026
Sensitivity controls
Noise, guarantee, and display thresholds tune what matching code is detected and shown in reports.github.com · 1 Oct 2026
Python API
Copydetect provides a Python API with CopyDetector, CodeFingerprint, compare_files, and HTML report generation.copydetect.readthedocs.io · 1 Oct 2026
Output customization
Reports can be saved to a specified output path, highlighted code can be truncated, and custom CSS files can be linked.github.com · 1 Oct 2026
Detection limitation
The documentation says copydetect identifies likely plagiarism, is not guaranteed to catch dedicated evasion, and does not prove plagiarism occurred.copydetect.readthedocs.io · 1 Oct 2026
License
The package is released under the MIT License.pypi.org · 1 Oct 2026
Audience
PyPI classifies copydetect as intended for Education and as a Beta development-status project.pypi.org · 1 Oct 2026
Platform support
PyPI classifies the package as operating-system independent and Python 3 only.pypi.org · 1 Oct 2026
Method
It is based on the Winnowing document fingerprinting approach, also used by MOSS.github.com · 2 Oct 2026
Language support
It uses Pygments for tokenization and supports the 500+ languages Pygments can detect and tokenize.github.com · 2 Oct 2026
Comparison options
Users can compare test directories with reference directories and exclude matches found in boilerplate directories.github.com · 2 Oct 2026
Tuning
Noise, guarantee, and display thresholds can be configured to adjust matching and report visibility.github.com · 2 Oct 2026
Configuration
Settings can be supplied through command-line arguments or a JSON configuration file.github.com · 2 Oct 2026
Platforms
The package is classified as operating-system independent and provides a Windows command entry point.pypi.org · 2 Oct 2026
Limitations
The project says it is not guaranteed to catch plagiarism designed to evade detection and cannot guarantee that plagiarism occurred.github.com · 2 Oct 2026
Release
PyPI lists version 0.5.0, released March 9, 2024.pypi.org · 2 Oct 2026

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Sources