Curated development tutorials from top sources. Filter by language.
Why Your SVG-to-PNG Conversion Looks Wrong (And How to Fix It in the Browser) You export an icon to PNG and it comes back with the wrong fo
I was setting up a staging database last month and needed 5,000 realistic user records. Every generator I found wanted an email address, a workspace n
If you have ever opened your error dashboard and found a pile of entries reading Script error. with no message, no stack, and line 0, column 0, you ha
Every page you visit runs JavaScript. And that JavaScript is reading you — not just what you type, but how you type it. The rhythm between keystrokes
Converting PDF pages to images requires careful rendering to balance quality, memory usage, and speed. Here's how to build a browser-based PDF to ima
Someone landed on my site with the query "how do you write 123456789012345678901234 in words". The converter took the number, ran it through Number(),
Been building AMOZUnique Tools Hub (amoztools.com) — 108 free browser-based tools across PDF, image, dev, SEO, and security categories, no signup requ
I'm 12 years old. I build my projects mostly from my phone. And in the last few months, I've shipped: KODA (an AI coding mentor with sandboxed ex
Saving for an emergency fund, a trip, and a home deposit at the same time creates a deceptively simple UI problem: percentages must be understandable,
Signing PDFs in the browser involves capturing user input and embedding it into the PDF document. Here's how to build a browser-based PDF signing tool
Modern web development often overcomplicates simple utilities. Why spin up Node.js microservices, Postgres clusters, and Redis caches just to format J
If you have ever built a timesheet, you have probably run into the same problem twice: clock times are easy for humans to read, but payroll systems wa
Every game is a simulation running on arithmetic. A character moves because a velocity vector was added to a position vector. An enemy turns to face y
Si manejás en Argentina, sabés el problema: para saber si un auto tiene multas hay que entrar a un sistema distinto por cada provincia y cada municipi
Introduction As JavaScript applications grow, async/await becomes the de‑facto way to handle asynchronous work. However, misuse can lead to
LeetCode Question - 135. Candy 🍭 About the Series Problem-solving is a key skill set for any tech-related stuff you might be wor
LeetCode Question - 1710. Maximum Units on a Truck 🚛 About the Series Problem-solving is a key skill set for any tech-related st
Introduction Build expense reimbursement app with ToolJet MCP when employees need to submit claims, attach receipts, group them into weekly
Introduction React 19 has introduced a suite of powerful hooks designed to simplify form handling and state management. Among these, useAct