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The zero-egress trick that lets me give away a media tool for free
I run a small free tool called imgi . You drop in two images, drag a slider to compare them, and get a permanent link to paste anywhere. Before and af…
I Built AICostPass Because I Was Tired of Guessing My AI API Costs
While building with OpenAI, Anthropic, and other AI providers, I realized something surprising. I monitored my servers, databases, and application per…
Getting Started with Shadcn Checkbox in React & Next.js
Building forms becomes much easier when you have reusable UI components. A checkbox is a simple component, but it's an important part of many applicat…
I Built a BPS Website: Build, Push, Sleep
What is a BPS website? BPS stands for Build , Push , Sleep . It's a simple framework I use for shipping side projects: Build it fast with AI assistanc…
How We Turned a High-Traffic News Site's Core Web Vitals from Red to Green
The setup: a news site where every millisecond is public Kapital.kz is one of Kazakhstan's high-traffic business and finance news portals, built on Ne…
How to Review a Signup Regression After a Next.js Release
A signup regression after a Next.js release should not start with panic. It should start with a narrow review. The dangerous version is familiar: a de…
Build a Stunning Developer Portfolio with Next.js 16, Tailwind CSS v4 & Framer Motion
Your portfolio is the first thing recruiters and clients see and in 2026, a template-looking portfolio is invisible. If you want an online presence th…
New Newsletter Alert: Under The Hood Has a New Home
I have wanted this one to feel a little loud, so here it is: Under The Hood has a new home. For a while, I was publishing on Substack. It was convenie…
nuqs: URL State Management in Next.js (2026)
Every data table, search page, and filtered list has the same problem: the user applies a filter, the results update, they share the URL — and the rec…
Building an AI-Powered Lead Qualification API with Next.js 15 and Gemini 3.5 Flash
Every business wants more leads. But the real challenge isn't generating them—it's identifying which leads deserve your team's attention first. Instea…
SSG vs SSR vs CSR in Next.js: Choosing the Right Rendering Strategy for SEO
Is Next.js Really SEO-Friendly? Understanding SSG, SSR, ISR and CSR Thanks @opacedigitalagency for the valuable suggestion. While exploring this topic…
How I Built Prokaash: A Dynamic NFC Business Card Infrastructure From Scratch
Hey developers! 👋 I'm excited to share my latest full-stack project that I’ve recently completed—Prokaash. It is a modern, dynamic NFC business card …
Fixing Client-Server Waterfalls After Migrating from Vite to Next.js
The Architectural Shift Migrating a production application from Vite to Next.js is one of the most common architectural decisions teams make as their …
How I Built a Modern Agency Landing Page with Next.js 15 and Tailwind CSS
Most agency websites lose clients before they even read a word. Bad first impression. Generic design. Slow load time. I built AgencyX to fix that—a mo…
Your AI-built app works in the builder but breaks on deploy with a Supabase "permission denied" error. Here is why, and how to fix it.
You built an app in Lovable, Bolt, v0, or Cursor. It worked perfectly in the preview. You deployed it, opened the live URL, and now half the screen is…
NarraMeuGol: the AI that calls your street-football goal 🎙️⚽
This is a submission for Weekend Challenge: Passion Edition What I Built NarraMeuGol turns a phone clip of an amateur "várzea" (Brazilian pickup) foot…
useFormState and useFormStatus in Next.js App Router — React 19 Form Handling
React 19 introduced two hooks specifically for server action forms: useFormState and useFormStatus . Together they solve the main UX problems with for…
I built a Stack Overflow for gamers as a solo dev — here’s the stack and why
Most gaming help lives in three bad places: a Reddit thread that’s archived before you find it, a Discord message that scrolled into the void, or a Yo…
What actually crosses the React Server Component boundary
Everyone can type "use client" . Almost nobody can say what survives the trip across it — and then something breaks: next build dies at prerender, the…
React Compiler in 2026: What It Actually Memoizes (And What It Doesn't)
Headline: React Compiler — formerly React Forget — shipped stable with React 19 and automatically memoizes components, hooks, and callbacks by ana…
Partial Prerendering in Next.js: The Static Shell + Dynamic Stream Model
Headline: Partial Prerendering (PPR) in Next.js serves a static HTML shell from the CDN edge instantly, then streams Suspense-wrapped dynamic children…
Bidwatch - Search Live Ebay Auctions Ending Soon
This is a submission for Weekend Challenge: Passion Edition What I Built I use ebay.com a lot as a passionate card collector to find auctions. It's su…
PowerPulse: Building a Crowd-Sourced Outage Tracker for Ghana (and Losing a Fight With My Own Stack)
A quick disclosure up front: this post was drafted with AI assistance, and edited by me. The PowerPulse codebase itself has also been built largely wi…
How I Built a Lightning-Fast Utility Hub with 50+ Tools Using Next.js
Hello DEV Community! 👋 As developers, we constantly rely on various mini-tools throughout our day—whether it's generating a quick hash, formatting a m…
Next.js ISR and On-Demand Revalidation — Caching Without Staleness
Incremental Static Regeneration (ISR) is one of the more powerful caching strategies in Next.js — and one that's often misconfigured in ways that eith…
I Added PDF-to-Word, PDF-to-JPG, and PDF-to-PowerPoint to My Privacy-First File Tools Site
A few months ago I built FileForge Tools , a free site for everyday file conversions (image, PDF, text, dev utilities) that runs entirely in the brows…
Production AI Scoring: Processing 10,000+ Job Listings Daily with GPT-4
I spent months building an AI scoring pipeline that processes over 10,000 job listings every day. The first version was a mess. Slow, expensive, and u…
Ditch API Routes: Server Actions in Next.js ⚡
The API Boilerplate Tax For years, building a simple contact form at Smart Tech Devs required a massive amount of architectural boilerplate. You had t…
7 Next.js App Router Mistakes I See Most Often
The App Router is amazing, but it also changes the way we think about React. Most issues I see aren't framework bugs. They're old habits carried into …