dupkey Alternatives

dupkey is described as 'Code beautifiers, calculators, converters, minifiers, validators, and utilities' and is an website in the development category. There are more than 10 alternatives to dupkey, not only websites but also apps for a variety of platforms, including Mac, Linux, Windows and Self-Hosted apps. The best dupkey alternative is DevToys, which is both free and Open Source. Other great sites and apps similar to dupkey are CyberChef, Omni Tools, DevToys for Mac and DevHub App.

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dupkey alternatives page was last updated Mar 14, 2025

DevToys
28 likes
DevToys is a Swiss Army knife for developers for Windows & Apple macOS. DevToys helps in daily tasks like formatting JSON, comparing text, testing RegExp. No need to use many untruthful websites to do simple tasks with your data.
Cost / License
Free
Open Source (MIT)
Origin
France
EU
Platforms
Windows
Mac
Linux
+9
Is DevToys a good alternative to dupkey?
CyberChef
16 likes
CyberChef is a simple, intuitive web app for carrying out all manner of "cyber" operations within a web browser. Runs client-side in your browser via the website or as a downloadable html file.
23 CyberChef alternatives
Cost / License
Free
Open Source (Apache-2.0)
Origin
United Kingdom
Platforms
Online
Self-Hosted
Is CyberChef a good alternative to dupkey?
Omni Tools
5 likes
Welcome to OmniTools, a self-hosted platform offering a variety of online tools to simplify everyday tasks. Whether you are manipulating images, crunching numbers, or coding, OmniTools has you covered. Please don't forget to star the repo to support us.
57 Omni Tools alternatives
Cost / License
Free
Open Source (MIT)
Platforms
Online
Self-Hosted
Docker
Is Omni Tools a good alternative to dupkey?
DevToys for Mac
7 likes
Swiss Army knife for developers on MacOS.
39 DevToys for Mac alternatives
Cost / License
Free
Open Source (MIT)
Alerts
Discontinued
Platforms
Mac
+4
Is DevToys for Mac a good alternative to dupkey?
DevHub App
4 likes
DevHub is a feature-rich offline application, carefully crafted to support developers' daily tasks and ensure the highest security of their data.
Cost / License
Free
Open Source
Origin
China
Platforms
Mac
+4
Is DevHub App a good alternative to dupkey?
Dev Toolbox
5 likes
If you're tired of endlessly looking online for the right tool, or to find again that website of which you don't recall the name to do a quick conversion, this is the right app for you.
42 Dev Toolbox alternatives
Cost / License
Free
Open Source (GPL-3.0)
Platforms
Linux
Flathub
Flatpak
+1
Is Dev Toolbox a good alternative to dupkey?
DevUtils
5 likes
DevUtils helps you with your tiny daily tasks with just a single click. It works entirely offline and is open source!
19 DevUtils alternatives
Cost / License
Paid
Open Source
Origin
France
EU
Platforms
Mac
+2
Is DevUtils a good alternative to dupkey?
CodeSwissKnife
2 likes
Feature-packed developer toolkit. Includes text conversion, encoding, UUID generation, cryptography, color conversion, JSON/XML formatting, and more for simplified, efficient development tasks without online data transmission.
Cost / License
Free
Proprietary
Platforms
Mac
+9
Is CodeSwissKnife a good alternative to dupkey?
SafeUtils
3 likes
SafeUtils: Native MacOS, Linux and Windows desktop application with 110+ carefully crafted tools for yours and your teams everyday work with sensitive data in various formats.
Cost / License
Paid
Proprietary (GPL-3.0)
Platforms
Windows
Mac
Linux
Chrome OS
Online
Is SafeUtils a good alternative to dupkey?
Bodev
1 like
Bodev is a developper toolbox, optimized for having many tools, especially for low-level developpers, including tools such as a CBOR parser, and other binary related tools.
Cost / License
Free
Open Source (AGPL-3.0)
Origin
France
EU
Platforms
Linux
Flathub
Flatpak
+7
Is Bodev a good alternative to dupkey?
Web Artisan Pro
Like
35+ crossplatform offline tools for web developers: text analyzer with AI counter, beautifiers (SQL, JS, CSS, HTML), converters (JSON, YAML, hashes, images, etc) and generators (crontab, UUID v1-v8, xid, random text, random string, etc).
Cost / License
Paid
Proprietary
Platforms
Windows
Mac
Linux
+4
Is Web Artisan Pro a good alternative to dupkey?