Chattogram, Bangladesh
Hasan. Full Stack Dev
Passionate aspiring software engineer building useful, free tools for the community. Backend APIs, web apps, no paywalls — just powerful features accessible to everyone.
Passionate aspiring software engineer building useful, free tools for the community. Backend APIs, web apps, no paywalls — just powerful features accessible to everyone.
Hello! I'm Hasan Mahmud — a passionate aspiring software engineer focused on creating useful, free tools for the community. I love web development and building backend APIs that make powerful features accessible to everyone, with no paywalls and no limits.
My expertise spans the full stack — from crafting responsive frontends with HTML, CSS, JavaScript, TypeScript, React, and Next.js, to building scalable backend systems with Node.js, Express, and MongoDB. Currently studying in Chattogram, Bangladesh, I spend my time building real-world projects and pushing myself to become a better developer every single day.
A curated collection of high-performance tools designed for modern developers and digital creators.
Real-world projects built with a focus on being free, open, and useful to the developer community.
A free API platform providing 20+ developer-focused APIs and tools — from AI image generation and video downloading to SMS testing and web scraping.
Controlled SMS request testing platform with live request monitoring, queue management, rate limiting, request tracking, and real-time status updates via SSE.
Processes and downloads videos from supported online platforms at high speed, powered by a custom scraping and proxy pipeline on the backend.
A collection of image processing utilities — AI generation, background removal, upscaling, face-swap, and more — all accessible via clean API endpoints.
File uploading and management system with support for multiple file types, handled through a clean backend API using Multer and Cloudinary for persistent storage.
A multilingual platform for teaching and learning regional Bangla dialects — Chattogram, Sylhet, Noakhali, Dhaka, Barishal, and Mymensingh — through interactive lessons and API-driven content.
A growing toolkit — from frontend interfaces to backend APIs and everything in between.
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