A developer passionate about building useful tools
Making complex things simple
Practical tools I've built, hoping they can help you
Free online PDF tools, simple and easy to use, no software installation required.
Japanese syllabary learning tool, randomly practice Hiragana and Katakana, quickly memorize kana pronunciation.
Real-time Scrum Planning tool for remote teams to easily conduct agile estimation.
Stay tuned for more practical online tools! If you have any ideas or suggestions, feel free to contact me.
I'm RJ, a developer who loves technology. I believe good tools should be simple, intuitive, and free. This website is the home of all my small projects, each tool was born to solve problems encountered in daily life.
If these tools are helpful to you, that's my greatest motivation!
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