
99Tools.net
100+ FREE No-Code Tools
1tools
30tools
A.Tools
FreeCodeTools.org
DevTool.io
Access 1006 secure, lightning-fast developer tools including code formatters, converters, validators, encoders, decoders, and utilities. 100% client-side.

Codecademy
edX
Treehouse
Hackr.io
Free Code Camp
Pantheon
Pluralsight
Download and solve practice problems in over 30 different languages.

Which is more popular?
Based on our record, Exercism seems to be more popular. It has been mentioned 318 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | xdevtools.com | exercism.org |
| Pricing | ||
| Company | Startup from India · 1 - 9 employees · 2026 | — |
| Listed in |
In their own words, as submitted to SaaSHub.


xDevTools is a comprehensive suite of over 1000 free, client-side developer utilities. All processing is done directly in your browser, ensuring your data remains private and secure. Our tools help you work faster and more efficiently, covering a wide range of needs from formatting code to...
No description of Exercism yet.
What each product offers, as listed by its team.


Possible disadvantages
An editorial look at what each product does well and who it suits.


No analysis of xDevTools yet.
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing xDevTools and Exercism.
xDevTools's answer
xDevTools was created to solve a common pain point: developers constantly needing to hunt for individual online tools for different tasks, often dealing with usage limits, slow performance, or privacy concerns. We built a single, comprehensive platform with over 1000 tools that are all 100% client-side, lightning-fast, and completely free. No data leaves your browser, no accounts are required, and there are no usage caps — just instant, reliable utilities whenever you need them.
xDevTools's answer
Unlike many developer tool platforms that impose usage limits, require paid subscriptions, or send data to external servers, xDevTools is 100% free, unlimited, and client-side. You get instant access to over 1000 tools with no accounts, no restrictions, and complete privacy. Competitors often charge for premium features or limit free usage — xDevTools gives you everything without compromise.
xDevTools's answer
Web developers, software engineers, and IT professionals who need quick, reliable, and secure developer utilities for everyday tasks like code formatting, validation, encoding, and conversion. It's ideal for anyone who values speed, privacy, and zero friction — with no sign-ups, no limits, and no costs.
xDevTools's answer
The platform is built with modern web technologies including vanilla JavaScript, HTML5, and CSS3, with all processing happening entirely client-side in the browser. The tools are optimized for performance to deliver results in milliseconds.
xDevTools's answer
Since xDevTools is a free, publicly available web tool, there are no specific enterprise customers to list. The platform is used by thousands of individual developers and engineers worldwide across various industries and company sizes.
xDevTools's answer
xDevTools offers over 1000 client-side developer tools that are completely free with unlimited usage — no sign-ups, no daily caps, and no hidden fees. All processing happens locally in your browser, ensuring your data never leaves your device. It's a one-stop, lightning-fast toolkit for developers who need reliable utilities without friction or cost.
Share your experience with using xDevTools and Exercism. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


We have no reviews of xDevTools yet. Be the first one to post
What are LeetCode and LeetCode alternatives good for?LeetCode💡Interested in leveling up your career? Apply to the Formation Fellowship...
Exercism is the alternative to LeetCode learning platform, with over 4000 activities in up to 52 popular programming languages. It is very different from other comparable programming websites in that it emphasizes...
Exercism is a coding challenge website that offers 3100+ challenges spanning 52 different programming languages. After picking a language that you'd like to master, you tackle the coding challenges right on your...
Recommendations tracked on public social media and blogs since March 2021.


Tracking xDevTools since Jul 2026.
Exercism.org structured deliberate practice, no AI required. - Source: dev.to / 5 months ago
Providing free coding exercises and mentorship, Exercism helps developers practice and improve their programming skills step by step. Their Python Track offers a series of exercises that guide learners from beginner to more advanced levels. - Source: dev.to / 8 months ago
Exercism is a code practice + mentoring platform in 74 languages. Why it can work: although it is not exclusively focused on groups of five, its mentoring and peer review model allows forming mini-circles where participants give each... - Source: dev.to / 10 months ago
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