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Carbon
code-prettify
Pygments
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Inkjet (Syntax Highlighting)
Apache Archiva
Highlight.js is a syntax highlighter written in JavaScript. It works in the browser as well as on the server.

Decode and verify SSL/TLS certificates online. Extract X.509 details including issuer, validity, SAN, and fingerprint. Fast, secure, and browser-based.

Which is more popular?
Based on our record, highlight.js seems to be a lot more popular than Cert Decoder. While we know about 57 links to highlight.js, we've tracked only 1 mention of Cert Decoder.
Website, pricing, platforms and company facts side by side.
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| Website | highlightjs.org | certdecoder.com |
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| Platforms | — | |
| Listed in |
In their own words, as submitted to SaaSHub.


No description of highlight.js yet.
Cert Decoder is a free online tool that helps you decode X.509 SSL/TLS certificates in PEM format. It instantly shows important information like the issuer, expiry date, SAN entries, and fingerprint. All data is processed locally in your browser, so nothing is ever sent or stored elsewhere.
What each product offers, as listed by its team.


Possible disadvantages
Possible disadvantages
An editorial look at what each product does well and who it suits.


No analysis of highlight.js yet.
Overall verdict
Why this product is good
Recommended for
How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing highlight.js and Cert Decoder.
Cert Decoder's answer:
I built certdecoder.com over the weekend for my own needs. Sometimes in my work, I need to verify and check certificate details.
Cert Decoder's answer:
certdecoder.com was built using just JavaScript and HTML—simple, fast, and with all processing happening locally in your browser, so no certificate data is sent to any server
Cert Decoder's answer:
certdecoder.com is primarily built for developers, sysadmins, cybersecurity enthusiasts, and DevOps engineers.
Cert Decoder's answer:
Simple, fast, and reliable. Some similar tools can’t even decode basic certificates. I rigorously tested my tool with many real-world certificates and covered several edge cases where competitors fall short.
Cert Decoder's answer:
certdecoder.com is primarily built for developers, sysadmins, cybersecurity enthusiasts, and DevOps engineers.
Share your experience with using highlight.js and Cert Decoder. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.


In our demo application, we're using highlight.js and Marked for markdown processing and syntax highlighting. - Source: dev.to / 4 months ago
In your website you could use https://highlightjs.org/ to syntax highlight the blocks of code. - Source: Hacker News / 10 months ago
Every time a request come in, we forward it to the pkg.go.dev server, then append the highlight.js script to the response before sending it back to the client. - Source: dev.to / over 1 year ago
Why? Because I built certdecoder.com and couldn’t find a decent place to submit it. So I said screw it — I’ll build my own. With blackjack and hookers. - Source: dev.to / over 1 year ago
When comparing highlight.js and Cert Decoder, you can also consider the following products.

Prism is a lightweight, extensible syntax highlighter, built with modern web standards in mind.
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Create and share beautiful images of your source code.
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Code Prettify is an embeddable script that makes source-code snippets in HTML prettier.
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Generic syntax highlighter suitable for use in code hosting, forums, wikis or other applications...
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React Server Component for syntax highlighting.
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A batteries-included syntax highlighting library for Rust, based on tree-sitter.
Compare Inkjet (Syntax Highlighting) to highlight.js or Cert Decoder: