
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.

BugHerd
Usersnap
Userback
Bird Eats Bug
Pastel
Markup.io
Ruttl
Visual feedback and bug reporting tool for websites

Which is more popular?
Based on our record, Marker.io seems to be more popular. It has been mentioned 8 times since March 2021.
Website, pricing, platforms and company facts side by side.
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|---|---|---|
| Website | codeutil.dev | marker.io |
| Pricing | ||
| Platforms | — | |
| Company | — | 2017 |
| 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,...
Collect website feedback from your team, clients, and users. Get feedback with screenshots & technical metadata directly into your favorite project management tool. Say goodbye to messy emails, spreadsheets and powerpoint. There is a better way!
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 Marker.io yet.
Walkthroughs and reviews on video.
No CodeUtil.dev videos yet. You could help us improve this page by suggesting one.
Product tour
How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing CodeUtil.dev and Marker.io.
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 Marker.io. 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
With this tool, users can convert screenshots from any website into a powerful bug report directly into your existing tools. Key features of Marker include screenshot annotation tools, shareable links and workflow...
Marker is a bug tracker tool built with a wide variety of options to collaborate different tools and get every attention of web developer totally. It can capture information pertaining to the environment from which...
Recommendations tracked on public social media and blogs since March 2021.


Tracking CodeUtil.dev since Mar 2026.
Marker.io is a feedback tool that allows users to attach product comments to a given UI component in an app. It’s overlaid on the UAT environment, and allows users to export screenshots and logs alongside their review comments. User... - Source: dev.to / over 1 year ago
This is a really nice note and solution of the problem. What is the difference from your competitor https://marker.io/? - Source: Hacker News / almost 4 years ago
I'm looking for a free and/or open source self-hosted alternative to marker.io for visual bug tracking/reporting. Source: almost 4 years ago
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