
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.

Mentimeter
Kahoot!
Sli.do
Poll Everywhere
Wooclap
Quizizz
Glisser
Add live polls, quizzes, word clouds and Q&As to make presentations interactive. See dynamic audience interactions happen in real-time.

Which is more popular?
Based on our record, AhaSlides seems to be more popular. It has been mentioned 1 time since March 2021.
Website, pricing, platforms and company facts side by side.
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|---|---|---|
| Website | codeutil.dev | ahaslides.com |
| Pricing | ||
| Platforms | — | |
| Company | — | 2019 |
| 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,...
Everything you need to engage your audience is here. And it's super easy to use. Involve your participants with live polls. Crowdsource the best questions and ideas from your audience. Excite your class with some quiz competitions. There are so many great things you can do with AhaSlides:...
What each product offers, as listed by its team.


Possible disadvantages
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.
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Creating a Multiple Choice Poll Using AhaSlides Presentation Software
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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 AhaSlides.
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.
Share your experience with using CodeUtil.dev and AhaSlides. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


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In a middle of a presentation of a trainig with a client, the app crashed.
If you are looking for a Kahoot or Mentimeter alternative, AhaSlides is the top choice. They have the Edu plan which offers better pricing while keeping all the vital parts like PPT import, quizzes, polls and Q&A...
Recommendations tracked on public social media and blogs since March 2021.


Tracking CodeUtil.dev since Mar 2026.
Kahoot or Ahaslides are perfect but very expensive for a personal use. Source: over 3 years ago
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a web-based polling tool for workshops, conferences & events
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Kahoot! makes it easy to create, play and share fun learning games in minutes—for any subject, in any language, on any device.
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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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Slido is the ultimate Q&A and polling platform for live and virtual meetings and events. It offers interactive Q&A, live polls and insights about your audience.
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