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Fast, private developer tools in your browser. JSON formatter, Regex tester, Cron generator, and 17 more.

MailChimp
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Affordable Email Marketing Software. Get all features (Segmentation, Automation, A/B testing) for up to 1,000 subscribers & send unlimited emails for free!

Which is more popular?
Based on our record, MailerLite 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 | mailerlite.com |
| Pricing | ||
| Company | — | Startup from Lithuania |
| 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 MailerLite 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
No analysis of MailerLite yet.
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MailerLite Review, Comparisons & How to Get Started in 2019
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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 MailerLite.
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 MailerLite. 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
MailerLite manually reviews each account before allowing it to send out emails to prevent spam and abuse. During the approval process, you’ll need to provide quite a bit of information about what you plan on sending...
MailerLite is loved for its visual click maps, which allow for detailed customer journey analytics, and its email verifier features, so your emails reach your audiences’ inboxes.
MailerLite emerges as an email marketing platform that thrives on simplicity and efficiency. Its user-friendly design, coupled with powerful features like automation and segmentation, positions it as an excellent...
Recommendations tracked on public social media and blogs since March 2021.


Tracking CodeUtil.dev since Mar 2026.
- mailing list tool: mailerlite.com (free automation, allows public newsletter archive so no need for blog), mailchimp.com (serious automation is paid), activecampaign.com (paid). Source: about 5 years ago
Also, personally I would recommend MailerLite over MailChimp. It is much more user-friendly and has more powerful features. I switched from MailChimp. Source: over 5 years ago
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