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Exercism
interviewing.io
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DevToo.dev
CodeUtil.dev
Text-Utils JSON Formatter
150+ Developer Tools
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DevToo is a free collection of 67 browser-based developer tools for everyday engineering tasks โ no ads, no sign-up, and no uploads. It brings together utilities across data, encoding and security, code, networking, and DevOps, including a JSON formatter and validator, JWT decoder, regex tester, Base64 encoder/decoder, hash generator, and timestamp converter, all in one fast, privacy-friendly workspace. Every tool runs locally in your browser, so your data never leaves your machine and no account is required. DevToo is built for developers who want a single reliable place for quick formatting, conversion, encoding, and debugging instead of juggling scattered, ad-heavy single-purpose sites.
LeetCode
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LeetCode is the best platform to help people practice solving coding problems and prepare for technical interviews. The main users are software engineers. LeetCode has over 1,900 questions covering many different programming concepts.
Based on our record, LeetCode seems to be more popular. It has been mentiond 543 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
Category Tool URL How I used it General AI assistant ChatGPT Https://chatgpt.com Breaking down concepts, simulating interviewers, reviewing answers AI writing / reasoning Claude Https://claude.ai Refining behavioral stories and system design explanations Coding practice LeetCode Https://leetcode.com Core DSA practice and timed coding drills Coding explanations NeetCode Https://neetcode.io Pattern-based... - Source: dev.to / 2 months ago
Plain BST. Fine when input is random or the problem doesn't require worst-case guarantees. Tree problems on LeetCode typically assume balanced input and don't ask you to maintain balance yourself. - Source: dev.to / 2 months ago
Your preparation should not be random. Platforms like LeetCode, Codeforces, and GeeksforGeeks are toolsโbut what matters is how you use them. - Source: dev.to / 3 months ago
Bash /path/to/chrome-launcher.sh email001@gmail.com https://leetcode.com. - Source: dev.to / 4 months ago
AI-Powered Learning Tools: Consider using AI-driven platforms like Khan Academy or LeetCode that can personalize your learning experience based on your progress and skill level. - Source: dev.to / 10 months ago
HackerRank - HackerRank is a platform that allows companies to conduct interviews remotely to hire developers and for technical assessment purposes.
CodeUtil.dev - Fast, private developer tools in your browser. JSON formatter, Regex tester, Cron generator, and 17 more.
Project Euler - Project Euler is a series of challenging mathematical/computer programming problems that will...
Text-Utils JSON Formatter - The JSON Formatter can be used to convert JSON to one line or format it using a specified level of indentation.
Codewars - Achieve code mastery through challenge.
150+ Developer Tools - Here are some of the amazing tools/resources that will make your life a lot more easier save many hours of research!Perks:-โญ Save 100+ hoursโญ Detailed description of every tool + Linkโญ Life-Time AccessEnjoy exploring these tools/resources!