
Typora
StackEdit
MarkdownPad
Dillinger
HedgeDoc
Rentry.co
MacDown
Text-to-HTML conversion tool/syntax for web writers, by John Gruber

CyberChef
DevToys
CodifyFormatter.org
Devrian.in
DevToo.dev
CodeTray.dev
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, Markdown by DaringFireball seems to be more popular. It has been mentioned 92 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | daringfireball.net | codeutil.dev |
| Pricing | — | |
| Listed in |
In their own words, as submitted to SaaSHub.


No description of Markdown by DaringFireball 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.


No analysis of Markdown by DaringFireball yet.
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 Markdown by DaringFireball 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 Markdown by DaringFireball 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.


I don't think it does at all! > The overriding design goal for Markdown’s formatting syntax is to make it as readable as possible. The idea is that a Markdown-formatted document should be publishable as-is, as plain text, without looking... - Source: Hacker News / 5 months ago
> I’ve started preferring HTML as an output format instead of Markdown and increasingly see this being used by others on the Claude Code team, this is why. This is why I read long agent output either by using VIM and MacOS Quicklook... - Source: Hacker News / 5 months ago
The inventor of markdown, John Gruber (yes that John Gruber of daringfireball fame) has always distanced himself from any efforts to make it a "standard" too, in part why we ended up with the name "commonmark" for that project... >... - Source: Hacker News / 11 months ago
Tracking CodeUtil.dev since Mar 2026.
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