
CyberChef
DevToys
CodeTray.dev
CodifyFormatter.org
DevToo.dev
Aptdot Developer Utilities
Lehuoliaoyu ToolHub
Fast, private developer tools in your browser. JSON formatter, Regex tester, Cron generator, and 17 more.

Ghost
Medium
Buttondown
beehiiv
WordPress
MailChimp
Notocat
With Substack, anyone can start a publication that combines a personal website, blog, and email newsletter or podcast. It's quick and simple.
Which is more popular?
Based on our record, Substack seems to be more popular. It has been mentioned 109 times since March 2021.
Website, pricing, platforms and company facts side by side.
|
|
|
|
|---|---|---|
| Website | codeutil.dev | substack.com |
| Pricing | — | |
| Company | — | Startup from the United States |
| 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 Substack 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.
Monetizing Podcasts and Newsletters - Chris Best of Substack and Jonathan Gill of Backtracks
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 Substack.
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 Substack. 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
Substack offers writers of all experience levels the ability to write an email newsletter that’s profitable through subscriptions. Substack provides purpose-built web and newsletter publishing tools to enable writers...
What sеts Substack apart is its sеamlеss intеgration of contеnt crеation and subscription-basеd monеtization. Substack’s usеr-friеndly intеrfacе, distribution tools, and support for various contеnt formats make it a...
Substack and Medium differ primarily in their monetization methods. Medium pays creators based on reader engagement, while Substack enables writers to monetize directly through paid subscriptions to their newsletters....
Recommendations tracked on public social media and blogs since March 2021.


Tracking CodeUtil.dev since Mar 2026.
Https://substack.com/@rubenafo/note/c-332218129?r=26y5kn&utm_source=notes-share-action&utm_medium=web. - Source: Hacker News / 10 days ago
Https://substack.com/@gurwinder/posts. - Source: Hacker News / 13 days ago
Substack: https://substack.com/@friedkielbasa. - Source: Hacker News / 16 days ago
When comparing CodeUtil.dev and Substack, you can also consider the following products.


Ghost is a fully open source, adaptable platform for building and running a modern online publication. We power blogs, magazines and journalists from Zappos to Sky News.
Compare Ghost to CodeUtil.dev or Substack:

A collection of converters, formaters, encoders, generators and other tools for your Windows desktop.
Compare DevToys to CodeUtil.dev or Substack:

Welcome to Medium, a place to read, write, and interact with the stories that matter most to you.
Compare Medium to CodeUtil.dev or Substack:
Fast, free developer tools. JSON formatter, Base64, JWT, Regex and more. Runs 100% in your browser.
Compare CodeTray.dev to CodeUtil.dev or Substack:

Buttondown is the best way to start and run your newsletter
Compare Buttondown to CodeUtil.dev or Substack: