
f.lux
Midnight Lizard
Night Eye
Stylebot
Stylus
Darkness: Beautiful Dark Themes
Amino Editor
Reduce eye strain in your browser with this extension that provides a dark theme for browsing.

LeetCode
Codility
CodeSignal
iMocha
HackerEarth
Codewars
TestGorilla
HackerRank is a platform that allows companies to conduct interviews remotely to hire developers and for technical assessment purposes.
Which is more popular?
Based on our record, Dark Reader should be more popular than HackerRank. It has been mentioned 199 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | darkreader.org | hackerrank.com |
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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
Overall verdict
Why this product is good
Recommended for
HackerRank is recommended for students, individual learners, and job seekers looking to improve their coding skills, as well as for companies seeking an efficient way to evaluate candidates' technical abilities during the hiring process.
Walkthroughs and reviews on video.
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using Dark Reader and HackerRank. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


I live for dark mode. Anyone who’s worked with me knows how much I reject working in light mode. Seriously, I don’t know how you light-moders stay relaxed with so much brightness. That said, when it comes to browsing...
Using an on-demand dark styles theme generator, this eye-care extensions for google chrome turns on night mode for web pages. Bright color are turned into high contrast, easy-to-read hues at night thanks to Dark Reader.
Dark Reader also provides you with other controls that let you tweak your display however you want. They allow you to change any website’s brightness, contrast, font, and other display elements. You can also store the...
What are LeetCode and LeetCode alternatives good for?LeetCode💡Interested in leveling up your career? Apply to the Formation Fellowship...
HackerRank’s challenges cover a wide range of topics and difficulty levels, allowing developers to enhance their problem-solving skills and learn new algorithms and data structures. The competitive nature of...
HackerRank offers a wide array of challenges across various domains such as algorithms, mathematics, SQL, and functional programming. Its interface is user-friendly, and the platform provides detailed feedback on...
Recommendations tracked on public social media and blogs since March 2021.


Just a heads up, you can have dark mode on every website on iOS Safari with Dark Reader: https://darkreader.org/. - Source: Hacker News / about 2 hours ago
Firefox desktop and mobile let you install addons like https://darkreader.org/ which work great. - Source: Hacker News / 1 day ago
Install Darkreader, enable Light mode https://darkreader.org/ I think most users are capable of that :). - Source: Hacker News / 10 months ago
This way, you transfer what you already know (problem-solving) but only change the syntax. Platforms like Hackerrank are also great to solve the same problem in different languages and learn from other people’s solutions. - Source: dev.to / about 1 year ago
Firstly, solve some common data structure problems with it. Implement some data structures like arrays, linked lists, stacks, queues, etc. You can check common problems on LeetCode, Hackerank or some other resources. - Source: dev.to / over 2 years ago
I don't have a consecutive internet connection and I can't keep up learning process so I started practicing in hackerrank.com I have started some challenges in python and c++ there. Thus I have no internet connection so I cannot practice... Source: almost 3 years ago
When comparing Dark Reader and HackerRank, you can also consider the following products.

f. lux is a piece of software for Windows, Mac, Linux, iOS, and Android that provides a blue light filter over your screen. Research suggests limiting our exposure to blue light in the hours before bedtime can help us fall asleep faster.
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Practice and level up your development skills and prepare for technical interviews.
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Accessible color schemes for all websites
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Codility provides a SaaS platform with advanced validation, security and protection features to evaluate the skills of software engineers.
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Night Eye is a browser extension that enables dark mode on any website you visit. It does not ruin your browsing experience by simply inverting images.
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CodeSignal is the leading assessment platform for technical hiring.
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