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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.

Duolingo
Busuu
Memrise
Rosetta Stone
Lingvist
Mondly
HelloTalk
Babbel is a paid language learning service that aims to strike a balance between thoroughness and cost efficiency.

Which is more popular?
Based on our record, Babbel seems to be more popular. It has been mentioned 11 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | codeutil.dev | babbel.com |
| Pricing | ||
| Company | — | Startup from Germany · 500 - 999 employees · 2007 |
| 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 Babbel yet.
What each product offers, as listed by its team.


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As answered by people managing CodeUtil.dev and Babbel.
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 determine your starting point as Babbel offers courses at all levels for users looking to learn a foreign language.
Part of learning in the programme is pronouncing the words you learn. Rosetta Stone was an early developer of speech recognition software, which gives learners feedback on their pronunciation. For more details about...
Duolingo, Memrise, LingoDeer, Busuu, and Babbel are popular choices. Duolingo makes learning fun with games. Babbel designs its interface for each language.
Recommendations tracked on public social media and blogs since March 2021.


Tracking CodeUtil.dev since Mar 2026.
Anyone as experience with feedback on https://www.rocketlanguages.com/ and https://babbel.com/ ? I’m mostly interested in speaking out loud skills, and those two have voice recognition it seems. - Source: Hacker News / over 1 year ago
It’s by know means comprehensive, as I try stuff all the time but these 5 are the consistent ones. 1. Duolingo– This free language-learning platform has become incredibly popular in recent years. It offers interactive lessons, quizzes,... Source: almost 4 years ago
I study with babbel.com and listen to Olly Richards on audible for 30 minutes every night. Source: over 4 years ago
When comparing CodeUtil.dev and Babbel, you can also consider the following products.


Duolingo is a free language learning app for iOS, Windows and Android devices. The app makes learning a new language fun by breaking learning into small lessons where you can earn points and move up through the levels. Read more about Duolingo.
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A collection of converters, formaters, encoders, generators and other tools for your Windows desktop.
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Join the global language learning community, take language courses to practice reading, writing, listening and speaking and learn a new language. Learn English with busuu's .
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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
Compare JSON-Formatter.app to CodeUtil.dev or Babbel:

Learn a new language with games, humorous chatbots and over 30,000 native speaker videos.
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