Ritwick Halder
Frontend Engineer | Web Developer
Frontend Engineer | Web Developer
CS Engineer. Senior Web Developer. Geek. Blockchain & Crypto Enthusiast. Webmaster. Ethical Hacker. Martial Artist. Entrepreneur.
👋 Hi, I'm a technology-driven optimist who loves exploring the latest in gadgets, innovations & digital trends. My curiosity for emerging tech has shaped much of my journey — from developing web apps to diving deep into blockchain & AI.
In 2012, I founded CentPage.com, a popular customizable internet homepage ahead of its time. Recently in 2025, I launched SummaryTube.com, an AI-powered YouTube Summarizer that helps users grasp video insights in seconds.
I also have a keen interest in gadgets, AI, ethical hacking, martial arts, blogging, spirituality. So that's me : a developer at heart & an explorer by mindset.
Built the website SummaryTube.com which helps users create AI smart video summaries, key moments & transcripts for YouTube videos for FREE & save TIME. Browse easily through your saved video summaries anytime in your account. Use chrome extension to summarize video on Youtube directly.
Built the chrome extension - Super Session Manager for Chrome helps you save, organize, restore, and share browser tab sessions easily for free. Easily save, organize, restore, and share browser tab sessions with one click. Whether you’re researching, working on multiple projects, or just want a cleaner browsing experience, Super Session Manager keeps your workflow fast and clutter-free.
Built the extension to view google cached version of this website. Just click on the extension icon on any website and the cached version of the website from google opens up. Bypass blocking of websites by your network provider and view the contents of the website easily with this tool. If a site is down or too slow you can use this nifty tool to check the contents of the website easily.
Made a chrome extension to edit any webpage and make websites editable with this one-click extension. Just click the icon on any website to start editing the contents on the website. The changes are visible until the page is reloaded again.
Built the website for Basirhat District & Super Specialty Hospital with Wordpress which is now a 600-bedded Hospital. Currently Basirhat Hospital running with 50 doctors all are qualified ,highly trained and exceptionally skilled within their fields, offering advanced care in more than 9 specialties and subspecialties department including CCU, SNCU, Dialysis etc.
web3lens.com is a search engine and blockchain explorer for all cryptocurrencies. You can search any cryptocurrency addresses, transaction hash, history / details, data, blocks, etc. from a single page
"Indian Operators USSD Codes" app will help you to easily find out the USSD Mobile Codes for all mobile operators in India
Started out as a project in php, mysql and css. It is an unique all-in-one customizable homepage or internet startpage.
Worked as a group leader for HU-481 technical presentation in Cloud Computing.
Worked as a group leader for HU-481 technical presentation in Cloud Computing.
Worked as a group leader for HU-182 (NSS Project) on "Complete Disaster Management"
B.Tech. in Computer Science & Engineering
Passed my ISC exams with 85% marks
Passed my ICSC exams with 90% marks
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