Article updated on December 21, 2025 by Byothe
Are you a beginner developer looking for a quick way to convert a file or test a regex? Then head over to IT-Tools. It's a free, open-source platform that brings together over 75 online utilities. But it's not just for beginners. Even an experienced administrator can find what they're looking for, for example, to urgently check a network configuration. A single site, a clear interface, and the promise of simplifying tasks that would otherwise require multiple sites or software programs. So, what does it really have to offer? Let's take a look.
IT-Tools: a valuable ally for “techies”
Before discovering what IT-Tools actually allows you to do, it's useful to go back to its origins. The project was initiated by Corentin Thomasset, a Lyon-based developer who chose to make his work open source and share it with the community. His idea was simple: to bring together in a single interface more than 75 utilities classified by theme.
This open source philosophy opens two doors for users. You can explore it directly online at it-tools.tech. But you also have the option of self-hosting it via Docker to integrate it into your work environment and maintain complete control.
As soon as you access the platform, you'll discover a web application that works from any browser. No account to create, no installation required. You choose a tool and use it immediately. This accessibility appeals to both students who are just starting out in programming than the seasoned system administrator in search of efficiency.

The interface, deliberately minimalist, highlights the complete list of utilities in a sidebar. You can change the language or switch between light and dark mode, which makes it more comfortable to use on a daily basis.
The possibility of hosting it locally makes it a valuable tool for more demanding profiles. Installed on a server or a NAS, IT-Tools becomes a private toolbox, operating without dependency on a third-party service. And regardless of your programming experience, you can adapt it to your needs and easily integrate it into your technical routine.
Why use IT-Tools if you are a developer?
If IT-Tools deserves its place in a developer's toolbox, it is above all for its functional diversity. Among these:
Cryptography and Security
IT-Tools offers various tools for handling sensitive data. You can generate hashes (MD5, SHA 256), create RSA keys, analyze a JWT or even test the strength of a passwordFor a beginner, it's a simple way to familiarize yourself with the basics of security. For an experienced user, it's primarily a quick way to perform checks without any effort.

Practical Conversions
The site also excels at small, everyday technical tasks. Transforming JSON into YAML, encoding a string into Base64, or converting a color code becomes child's play. These tasks, often necessary for a project, can be done here in one click, without using an IDE or writing a temporary script.
Network and DevOps
Administrators and infrastructure-oriented profiles will also find what they're looking for. IT-Tools includes subnet calculators, IP address conversions into different formats, and manufacturer identification from a MAC address. It also offers a Cron syntax generator and a Docker Run command converter to Docker Compose, two very useful features for verifying a configuration before deployment.
Web and productivity
On the side of web developers, several tools can save time. There is a regex tester, a URL analyzer or even a QR code generatorThese can be used, for example, to easily share a Wi-Fi connection or to transform a link into a scannable code. These are all features that are aimed at both computer science students and experienced developers.

Text and miscellaneous
Finally, IT-Tools offers a series of practical tools beyond pure code. You can generate Lorem Ipsum, compare two texts, validate an IBAN, or even retrieve an emoji without opening a virtual keyboard. These small, discreet but effective services simplify everyday life, whether you're writing documentation, preparing a test, or quickly validating data.
What do you think of this open source utility?
We've just seen the various reasons why IT-Tools is so appealing. These strengths don't, however, erase certain limitations. The interface can seem a little crude to the untrained eye, and some conversions require verification before use in production. As for self-hosting, it requires a good understanding of Docker, which can discourage beginners.
In short, IT-Tools appeals for its versatility and reliability. This platform is primarily aimed at those who aren't afraid to explore and get their hands dirty with technology.












