
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.

Kahoot!
Sli.do
Poll Everywhere
AhaSlides
Quizizz
Wooclap
Classtime
a web-based polling tool for workshops, conferences & events

Which is more popular?
Based on our record, Mentimeter seems to be more popular. It has been mentioned 2 times since March 2021.
Website, pricing, platforms and company facts side by side.
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|---|---|---|
| Website | codeutil.dev | mentimeter.com |
| Pricing | — | |
| Company | — | Startup from Sweden · 100 - 249 employees · 2014 |
| 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 Mentimeter 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
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
No CodeUtil.dev videos yet. You could help us improve this page by suggesting one.
5 Ways to use Mentimeter to Engage and Interact with Students
More videos
How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing CodeUtil.dev and Mentimeter.
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 Mentimeter. 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 CodeUtil.dev yet. Be the first one to post
The plans are not the same. Slido Professional has moderation, branding and multiple rooms, among other things, and Mentimeter’s conference pack has Excel export and editing together with your team. klapp has no...
Mentimeter is a unique option in that it emphasizes the use of quizzes within presentations. One particularly cool feature is the live quiz, which lets you create some competition and get your audience more involved....
Turn your presentations into interactive experiences using Mentimeter. Generate word clouds based on your audience’s impressions, conduct quiz competitions, or ask your audience to vote with this live poll tool that...
Recommendations tracked on public social media and blogs since March 2021.


Tracking CodeUtil.dev since Mar 2026.
5 minute breaks, find opportunities to incorporate interactive activities: mentimeter.com, padlet, jamboard, think-pair-share. Source: almost 5 years ago
Nobody else knows you put that answer. Can they trace you? Can they not? The website is mentimeter.com. Source: over 5 years ago
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A collection of converters, formaters, encoders, generators and other tools for your Windows desktop.
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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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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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Audience response system that uses mobile phones, twitter, and the web. Responses are displayed in real-time on gorgeous charts in PowerPoint, Keynote, or web browser.
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