
Siri Shortcuts
kalliope
Bixby
vokul
Almond
MindMeld
Hey Siri
Mycroft is the world’s first open source assistant.

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.

Which is more popular?
Based on our record, Mycroft.AI seems to be more popular. It has been mentioned 119 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | mycroft.ai | codeutil.dev |
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In their own words, as submitted to SaaSHub.


No description of Mycroft.AI yet.
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,...
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
How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing Mycroft.AI and CodeUtil.dev.
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 Mycroft.AI and CodeUtil.dev. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.


It's indeed suspicious. You're sending your voice samples, your various services accounts, your location and more private data to some proprietary black box in some public cloud. Sorry, but this is a privacy nightmare. It should be open... - Source: Hacker News / almost 3 years ago
I was expecting this to be about Mycroft the AI assistant ( https://mycroft.ai/ ). - Source: Hacker News / almost 3 years ago
But I would recommend writing some proper glue logic in Python and use the socket function for communication. But if you really want to get rid of Alexa, it's probably worth it to set up mycroft.ai or another open source assistant. Source: over 3 years ago
Tracking CodeUtil.dev since Mar 2026.
When comparing Mycroft.AI and CodeUtil.dev, you can also consider the following products.

Siri is an intelligent assistant that offers a faster, easier way to get things done on your Apple devices. Even before you ask.
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Kalliope is a modular always-on voice controlled personal assistant designed for home automation.
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A collection of converters, formaters, encoders, generators and other tools for your Windows desktop.
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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 Mycroft.AI or CodeUtil.dev: