ESLint vs Checkmarx: Which Should You Choose in 2026?
Choosing between ESLint and Checkmarx comes down to understanding what each tool does best. This comparison breaks down the key differences so you can make an informed decision based on your specific needs, not marketing claims.
By Toolradar Team · Last updated February 28, 2026 · Methodology
Short on time? Here's the quick answer
We've tested both tools. Here's who should pick what:
ESLint
Pluggable JavaScript and TypeScript linter
Best for you if:
- • You want the higher-rated option (9.0/10 vs 7.8/10)
- • You need something completely free
- • You need ide & code editors features specifically
- • Standard JavaScript/TypeScript linter for code quality
- • Configurable rules with extensive plugin ecosystem
Checkmarx
Application security testing platform
Best for you if:
- • You need code review features specifically
- • Checkmarx is an enterprise application security testing platform for finding vulnerabilities in code
- • It provides SAST, SCA, and DAST scanning integrated into CI/CD pipelines
| At a Glance |  ESLint |  Checkmarx |
|---|---|---|
Price | Free | Paid |
Best For | IDE & Code Editors | Code Review |
Rating | 90/100 | 78/100 |
| Feature | ESLint | Checkmarx |
|---|---|---|
| Pricing Model | Free | Paid |
| Editorial Score | 90 | 78 |
| Community Rating | No ratings yet | No ratings yet |
| Total Reviews | 0 | 0 |
| Community Upvotes | 0 | 0 |
| Categories | IDE & Code EditorsCode Review | Code ReviewTesting & QA |
How ESLint and Checkmarx Compare
ESLint
Pluggable JavaScript and TypeScript linter
Free · 90/100 score
Checkmarx
Application security testing platform
Paid · 78/100 score
ESLint is a ide & code editors tool. Checkmarx is in code review.
Who Should Use What?
On a budget?
ESLint is free. Checkmarx is paid.
Go with: ESLint
Want the highest-rated option?
ESLint: 90/100. Checkmarx: 78/100.
Go with: ESLint
Value user reviews?
Neither has user reviews yet.
Go with: ESLint
3 Questions to Help You Decide
What's your budget?
ESLint is free. Checkmarx is paid. Go with ESLint if free matters most.
What's your use case?
ESLint is a ide & code editors tool. Checkmarx is in code review. Pick the category that matches your needs.
How important are ratings?
ESLint scores higher: 90/100 vs 78/100.
Key Takeaways
ESLint
- Higher score: 90/100 vs 78
- Completely free
- Our pick for this comparison
Checkmarx
- Better fit for code review
The Bottom Line
ESLint (90/100) is our pick.
Frequently Asked Questions
Is ESLint or Checkmarx better?
ESLint scores 90/100 in our evaluation. ESLint is free and Checkmarx is paid.
What are ESLint and Checkmarx used for?
ESLint: Pluggable JavaScript and TypeScript linter. Checkmarx: Application security testing platform.
What does ESLint cost vs Checkmarx?
ESLint is completely free. Checkmarx is a paid tool. Visit their websites for detailed pricing.