
CyberChef
IT Tools
10015.io
CodeSwissKnife
JSONFormatter.org
JSONLint
A.Tools
A collection of converters, formaters, encoders, generators and other tools for your Windows desktop.

JSON Web Token
JSONLint
JSON Editor Online
CyberChef
regular expressions 101
DevCrate
DevToolKit.site
KeptTools is a free suite of browser-based developer tools. Format and validate JSON, convert JSON to a Laravel array, TypeScript interface, PHP DTO, or CSV, format SQL, decode JWTs, encode Base64, generate hashes, test regex, and compress or edit im

Which is more popular?
Based on our record, DevToys seems to be more popular. It has been mentioned 16 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | devtoys.app | kepttools.com |
| Pricing | — | |
| Listed in |
What each product offers, as listed by its team.


Possible disadvantages
No features have been listed yet.
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 KeptTools yet.
Walkthroughs and reviews on video.
DevToys - Review and How to Install | The Swiss Army Knife for Developers
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How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using DevToys and KeptTools. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.


There are lots of these, but this is the first that I've seen that focused on frontend dev a bit more. I've saved it to my list of tools for reference. Here's another with a more local / backend / IT flavor: https://it-tools.tech I have... - Source: Hacker News / 10 months ago
Think of DevToys as the developer equivalent of a multi-tool. It’s a desktop app with dozens of handy utilities. - Source: dev.to / about 1 year ago
Devtoys is great and open-source and .NET and cross-platform * https://devtoys.app/ and in context to the thread files-community/files is great and open-source and .NET and cross-platform * https://files.community/. - Source: Hacker News / almost 2 years ago
Tracking KeptTools since Oct 2026.
When comparing DevToys and KeptTools, you can also consider the following products.


JSON Web Tokens are an open, industry standard RFC 7519 method for representing claims securely between two parties.
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IT Tools is a free and open-source collection of handy online tools for developers & people working in IT.
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JSON Lint is a web based validator and reformatter for JSON, a lightweight data-interchange format.
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10015.io is an all-in-one toolbox offering many tools from various categories.
Compare 10015.io to DevToys or KeptTools:
View, edit and format JSON online
Compare JSON Editor Online to DevToys or KeptTools: