Head-to-head · Code Clone Detection Tools
jscpd vs NiCad
jscpd leads on 0 checks, NiCad on 0, and 3 are even. Who comes out ahead on the 3 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.
Our verdict
- Highest scorejscpd · 9.4/10
- Free planonly NiCad
- Most featuresjscpd · 2 of 3
jscpd scores higher on our rubric for code clone detection tools: 9.4 against 8.8 out of 10; our editors rank them #1 and #4.
On clone detection method, NiCad gives you Hybrid where jscpd offers Token.
jscpd is the better fit for broad, CI-driven multi-format clone detection. NiCad is the better fit for research-grade configurable clone detection.
- jscpd fits best
Broad, CI-driven multi-format clone detection
- NiCad fits best
Research-grade configurable clone detection
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Side by side
| Feature | jscpd 9.4/10 Visit ↗ | NiCad 8.8/10 Visit ↗ |
|---|---|---|
| At a glance | ||
| Editor score | 9.4 | 8.8 |
| Ranking | #1 in Code Clone Detection Tools | #4 in Code Clone Detection Tools |
| Best for | Broad, CI-driven multi-format clone detection | Research-grade configurable clone detection |
| Pricing model | Free | Free |
| Starting price | Open source | Free plan |
| Free plan | Not checked yet | ✓ (best) |
| Free trial | — | — |
| Deployment | Self-hosted | Self-hosted |
| Platforms | Windows, macOS, Linux | Windows, macOS, Linux |
| Built for | Solo, Small business, Mid-market, Enterprise | Solo, Small business, Mid-market |
| Features jscpd 2/3 · NiCad 1/3 | ||
| CI integration | ✓ (best) | Not checked yet |
| IDE integration | Not checked yet | Not checked yet |
| Self-hosted option | ✓ | ✓ |
| Specs | ||
| Clone detection method | Token | Hybrid |
| Scan scope | Repository | Repository |
| Supported languages | Not checked yet | Not checked yet |
| Our review | ||
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| Our verdict | jscpd is an open-source command-line tool for detecting duplicated source-code blocks across repositories. It uses language-aware tokenization to identify exact, renamed, and near-miss clones, making it suitable for development teams that… Read the review → |
NiCad is a free, open-source command-line tool for detecting exact and near-miss code clones in software systems. It is aimed at researchers, engineering teams, and developers who need configurable repository analysis rather than a hosted… Read the review → |
Strengths and trade-offs
jscpd — where it wins
- Detects exact, renamed, and near-miss clones across repositories
- Supports 224 language and document formats
- Adds GitHub Actions, SARIF, history trends, and multiple reporters
Where it doesn't
- Primarily a command-line tool rather than a visual-first product
- Self-hosted operation places deployment responsibility with the team
- Its strongest workflow is centered on repository and CI scanning
NiCad — where it wins
- Detects exact and near-miss clones across repositories
- Supports configurable normalization, abstraction, filtering, and thresholds
- Produces clone-pair and clone-class reports in XML and HTML
Where it doesn't
- Command-line workflow may require Unix-like environments
- Language availability varies by version and distribution
- Self-hosted operation requires local setup and maintenance
- jscpd9.4/10 · Open source
A broad, self-hosted clone detector with strong CI, reporting, and history analysis.
Visit jscpdFull verdict → - NiCad8.8/10 · Free plan
A configurable, self-hosted choice for exact and near-miss clone analysis.
Visit NiCadFull verdict →
More comparisons
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- jscpd vs @kongyo2/similarity-ts
- jscpd vs QuickDup
- jscpd vs semdup
- art-dupl vs NiCad
- PMD vs NiCad
All code clone detection tools comparisons → · Full ranking →
Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
Last updated · How we research and update

