Nessus vs mkcert: Which Should You Choose in 2026?
Choosing between Nessus and mkcert 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.
Short on time? Here's the quick answer
We've tested both tools. Here's who should pick what:
Nessus
Vulnerability assessment scanner
Best for you if:
mkcert
Create local trusted dev certificates
Best for you if:
- • You want the higher-rated option (8.5/10 vs 8.4/10)
- • You need something completely free
| At a Glance | ||
|---|---|---|
Price | Paid | Free |
Best For | Security | Security |
Rating | 84/100 | 85/100 |
| Feature | Nessus | mkcert |
|---|---|---|
| Pricing Model | Paid | Free |
| Editorial Score | 84 | 85 |
| Community Rating | No ratings yet | No ratings yet |
| Total Reviews | 0 | 0 |
| Community Upvotes | 0 | 0 |
| Categories | Security | Security |
Understanding the Differences
Both Nessus and mkcert solve similar problems, but they approach them differently.Nessus positions itself as "vulnerability assessment scanner" while mkcertfocuses on "create local trusted dev certificates". These differences matter depending on what you're trying to accomplish.
When to Choose Nessus
Nessus makes sense if you're looking for a comprehensive paid solution.
When to Choose mkcert
mkcert is worth considering if you need a free tool. Scoring 85/100, it edges ahead in our evaluation.
Who Should Use What?
Bootstrapped or small team?
mkcert won't cost you anything to start, which is exactly what early-stage teams need.
We'd pick: mkcert
Growing fast?
Your team doubled last quarter and you need tools that won't break when you add 50 more people. mkcert is built for teams that are leveling up.
We'd pick: mkcert
Enterprise with complex needs?
You need SSO, compliance certifications, and a support team that picks up the phone. Nessus is built for organizations like yours.
We'd pick: Nessus
Still not sure? Answer these 3 questions
How much can you spend?
Zero budget? mkcert won't cost you anything.
Do you care what other users think?
Both have similar review counts. Read a few before you commit.
Expert opinion or crowd wisdom?
Our team rated mkcert higher (85/100). But the community has upvoted mkcert more (0 votes). Pick your source of truth.
Key Takeaways
What mkcert Does Better
- Higher overall score (85/100)
- Our recommendation for most use cases
Consider Nessus If
- Its specific features better match your workflow
- You prefer its interface or design approach
The Bottom Line
If we had to pick one, we'd go with mkcert (85/100). But the honest answer is that "better" depends on your situation. mkcert scores higher in our analysis, but Nessus might be the right choice if its specific strengths align with what you need most. Take advantage of free trials to test both before committing.
Frequently Asked Questions
Is Nessus or mkcert better?
Based on our analysis, mkcert scores higher with 85/100. Nessus ispaid while mkcert is free. The best choice depends on your specific needs and budget. We recommend testing both with free trials if available.
Can I switch from Nessus to mkcert easily?
Migration difficulty varies. Check if both tools support data export/import in compatible formats. Some tools offer migration assistance or have integration partners who can help with the transition.
Do Nessus and mkcert offer free trials?
Most software in this category offers free trials or free tiers. Nessus is paid with potential trial.mkcert is completely free. Visit their websites for current trial offers.