VS Code
CodePen
GitHub
Node.js
RegExr
JSFiddle
CodeSandbox
Free ebook for the JS Beginners

Convert Case
ConvertCase.help
Convert Text Online
CaseConverter.cc
Case Converter
CaseConverter.Tools
AnyCase
ConvertText.app is a fast, privacy-first tool to format, clean, and transform your text. Instantly switch between cases like camelCase, snake_case, UPPERCASE, and more — all in your browser, with support for 23 languages.
Which is more popular?
Based on our record, Eloquent JavaScript seems to be more popular. It has been mentioned 218 times since March 2021.
Website, pricing, platforms and company facts side by side.
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EJS
Eloquent JavaScript
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|---|---|---|
| Website | eloquentjavascript.net | converttext.app |
| Pricing | ||
| Company | — | Startup from the United Kingdom · 2025 |
| Listed in |
In their own words, as submitted to SaaSHub.

No description of Eloquent JavaScript yet.
ConvertText.app is a fast, privacy-first online tool designed to help you format, clean, and transform text with ease. Whether you’re a developer, writer, student, or just someone working with text, ConvertText.app lets you instantly switch between formats like camelCase, snake_case, UPPERCASE,...
What each product offers, as listed by its team.

Possible disadvantages
No features have been listed yet.
An editorial look at what each product does well and who it suits.

Overall verdict
Why this product is good
Recommended for
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
Eloquent JavaScript A Modern Introduction to Programming 3rd Edition by Marijn Haverbeke review
More videos
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How often each product is chosen within a category, 0–100% relative to the other.

As answered by people managing Eloquent JavaScript and ConvertText.app.
ConvertText.app's answer:
Writers, developers, students, and professionals who need a fast, privacy-focused tool to format, clean, and transform text directly in their browser.
Share your experience with using Eloquent JavaScript and ConvertText.app. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.

We have no reviews of Eloquent JavaScript yet. Be the first one to post
Used ConvertText.app a few times now when I needed to quickly change text case or clean up formatting. It is straightforward, you know, just paste text, hit a button, and done. No clutter, no waiting around.
Recommendations tracked on public social media and blogs since March 2021.

If you haven’t read Eloquent JavaScript , go check it out. It’s one of my all-time favourite programming books — hands down. - Source: dev.to / about 1 year ago
Videos, blogs, text-based teachings, YouTube project-based learning, books, and the like are all examples of various methods and mediums of acquiring skills, especially in the software engineering industry. As I continue to navigate... - Source: dev.to / almost 2 years ago
Seconded. I won't recommend it and no one I know has recommended it for a decade. It's hard for someone who doesn't know JS to know which parts has changed and is no longer the way to do things. https://github.com/getify/You-Dont-Know-JS... - Source: Hacker News / about 2 years ago
Tracking ConvertText.app since Jul 2025.
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