
CyberChef
DevToys
JSON-Formatter.app
CodeTray.dev
CodifyFormatter.org
Devrian.in
DuskTools.app
Fast, private developer tools in your browser. JSON formatter, Regex tester, Cron generator, and 17 more.

Solo Money Tools
H&R Block
GoSystem Tax RS
Quarterly Tax Calculator for Freelancers
Taxdcalc UK
Keeper Tax
Bonsai
Seven free calculators for US freelancers and 1099 contractors: self-employment tax, quarterly estimates, S corp savings and more. No sign-up.

Which is more popular?
Website, pricing, platforms and company facts side by side.
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| Website | codeutil.dev | selfemploylab.com |
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| Platforms | — | |
| 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,...
Seven free calculators for freelancers and 1099 contractors: self-employment tax, quarterly estimated taxes (with the safe-harbor minimum and due dates), how much of each payment to set aside, S corp vs LLC savings, 1099 vs W-2 offers, the hourly rate you need for a target take-home pay, and the...
What each product offers, as listed by its team.


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 SelfEmployLab yet.
How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing CodeUtil.dev and SelfEmployLab.
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 SelfEmployLab. For example, how are they different and which one is better?
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A collection of converters, formaters, encoders, generators and other tools for your Windows desktop.
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json-formatter.app is a free online tool that offers one-click copying, direct file conversion, and downloads. With open-source code and multilingual support, it features JSON beautification and parsing, as well as conversion to other formats like XM
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GoSystem Tax RS has unmatched web-based tax processing power, is scalable to needs, and is available in a secure online environment.
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