
devtoolz.dev
CodeKitHub
DevToys
CodeSwissKnife
All Over Tools
DevNestTools
DevBox
Free browser-based tools for formatting, encoding, decoding, conversion, generators and everyday software development tasks.

BTT Remote
Rectangle
Homerow
SteerMouse
SharpKeys
Swish
Accelerator Keys
Karabiner, previously called KeyRemap4MacBook, is a very powerful keyboard remapper for Mac OS X.

Which is more popular?
Based on our record, Karabiner seems to be more popular. It has been mentioned 277 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | developertoolbox.tech | karabiner-elements.pqrs.org |
| Pricing | — | |
| Listed in |
In their own words, as submitted to SaaSHub.


Developer Tool Box is a free collection of browser-based developer utilities for everyday software development. It provides tools for JSON formatting, Base64 conversion, UUID generation, URL encoding, hashing, and more, with additional utilities covering crypto, web, development, networking,...
No description of Karabiner 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.


No analysis of DeveloperToolBox.tech yet.
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
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REVIEW: Should you play the Vetterli 71 Karabiner? [Hunt Gun Review #1]
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How often each product is chosen within a category, 0–100% relative to the other.


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


Tracking DeveloperToolBox.tech since Sep 2026.
As a both old Linux and now decade user of MacOS, after I got used to no middle-click paste and no focus-follows-mouse: 1. Keyboard shortcuts are Emacs, Ctrl-A: start of line, E: end of line, K: kill selected or to end of line, Y to... - Source: Hacker News / 5 months ago
I've always setup my macbooks with a custom json config using https://karabiner-elements.pqrs.org/ to avoid the dock, but couldnt convince any friends to give it a try since its high effort, I guess so I hacked together... - Source: Hacker News / 6 months ago
I've had success in the past in customizing macOS key bindings using Karabiner: https://karabiner-elements.pqrs.org/. - Source: Hacker News / 7 months ago
When comparing DeveloperToolBox.tech and Karabiner, you can also consider the following products.

DevToolbox is a free, no-signup collection of 148 client-side developer tools and 78 guides — a lightweight alternative to installing dozens of separate SaaS dev-tool apps.
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A remote control for you Mac, using your iPhone or iPad
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Free online tools: JSON formatter, password generator, QR code maker, calculators, converters and more. Fast, private, no login — everything runs in your browser.
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Window management app based on Spectacle, written in Swift.
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A collection of converters, formaters, encoders, generators and other tools for your Windows desktop.
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Spotlight for the macOS user interface
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