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Devrian.in
DevToo.dev
CodeTray.dev
DuskTools.app
Fast, private developer tools in your browser. JSON formatter, Regex tester, Cron generator, and 17 more.

Logseq
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Capacities
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AFFiNE
Welcome to the future of work. Build anything. Use it for everything. Kill your SaaS subscriptions.

Which is more popular?
Based on our record, Tana seems to be more popular. It has been mentioned 22 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | codeutil.dev | tana.inc |
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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 Tana 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 Tana yet.
Walkthroughs and reviews on video.
No CodeUtil.dev videos yet. You could help us improve this page by suggesting one.
Why is EVERYONE Using This Note App?? | Tana Review
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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 Tana.
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 Tana. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


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Side note: Those who follow me may be surprised I’d choose Tana over Roam Research. I have extraordinary love for Roam — it was my introduction to this amazing TfT world! — but Tana is a more powerful environment.
Recommendations tracked on public social media and blogs since March 2021.


Tracking CodeUtil.dev since Mar 2026.
This looks very similar to a FoSS version of Tana: https://tana.inc/ Which is well timed because I've been increasingly leaning more into Tana but also being like "it would really suck if this tool goes away". Having something that has... - Source: Hacker News / 12 months ago
Looks great! Would be interested to hear how people are getting on with Tana (https://tana.inc/), the tool from which this idea was borrowed. - Source: Hacker News / almost 2 years ago
On the https://tana.inc/ page in the use case videos the app looks slightly different. Source: almost 3 years ago
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A powerful note-taking tool. All your ideas – typed and connected.
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