
CyberChef
DevToys
JSON-Formatter.app
CodeTray.dev
CodifyFormatter.org
Devrian.in
DuskTools.app
Fast, private developer tools in your browser. JSON formatter, Regex tester, Cron generator, and 17 more.

Prettier
CodeClimate
Tailwind CSS
SonarQube
Next.js
VS Code
Codacy
The fully pluggable JavaScript code quality tool

Which is more popular?
Based on our record, ESLint seems to be more popular. It has been mentioned 302 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | codeutil.dev | eslint.org |
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| Company | — | Startup from the United States |
| Listed in |
In their own words, as submitted to SaaSHub.


CodeUtil.dev is a collection of 20+ browser-based developer tools. JSON formatter & validator, regex tester, cron expression generator, Base64 encoder/decoder, JWT debugger, URL parser, hash generator, and more. Everything runs client-side — no data leaves your browser. No sign-up needed,...
No description of ESLint yet.
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.


Overall verdict
Why this product is good
Recommended for
No analysis of ESLint yet.
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ESLint Quickstart - find errors automatically
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How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing CodeUtil.dev and ESLint.
CodeUtil.dev's answer
CodeUtil.dev runs entirely in the browser — all processing happens on your device, so your data never touches a server. It bundles 20+ tools (JSON, regex, Base64, JWT, cron, hashing, and more) under one roof with zero sign-up. Just open the page and start working.
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You can use ESLint through a supported IDE such as VS Code, Eclipse, and IntelliJ IDEA or integrate it with your CI pipelines. Moreover, you can install it locally using a package manager like npm, yarn, npx, etc.
Recommendations tracked on public social media and blogs since March 2021.


Tracking CodeUtil.dev since Mar 2026.
Unfortunately, the damage is done! This can lead to unstable code, silent bugs, and technical debt that quietly builds up. That's exactly what the Linter, ESLint, is supposed to catch beforehand. - Source: dev.to / 17 days ago
It's very important to me that the code I write always meets the necessary standards. Naturally, for this I had to use tools like ESLint or Oxlint. - Source: dev.to / about 1 month ago
So we wrote our own ESLint rules. Most of them can also run on oxlint. - Source: dev.to / 2 months ago
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json-formatter.app is a free online tool that offers one-click copying, direct file conversion, and downloads. With open-source code and multilingual support, it features JSON beautification and parsing, as well as conversion to other formats like XM
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A utility-first CSS framework for rapidly building custom user interfaces.
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