Ledger Room: I built a local invoice sorter, then measured exactly what the privacy costs
This is a submission for the Hacktoberfest Open-Source AI Challenge Week 2: Side Hustle What I Built Ledger turns a folder of invoices and receipts…
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Твой GitHub никого не интересует. И резюме тоже
Неделю назад я запустил DevRaid — платформу, где разработчики подтверждают навыки через сдачу репозиториев. За это время через неё прошли 47 человек…
Your rebuild will drop URLs. Google will tell you in six weeks.
A rebuild changes how pages are made. The old addresses stop existing without anyone deciding they should, and Google notices before you do. Here is…
I built an aurora forecast site on Cloudflare Workers and hit every limit they have
Every aurora app answers the wrong question. They show you Kp indexes, solar wind speed, magnetometer plots — great if you're a space-weather nerd.…
How I built a remote MCP server so AI agents can build product demos
I build Demo My Product . It makes clickable product walkthroughs out of screenshots. You can click through an example without signing up: https://d…
Ретроспектива как поход в данж: зачем команде pixel-таверна вместо доски стикеров
Я устал от ретро, которые существуют, чтобы существовать. Раз в две недели команда открывает Miro. Три колонки. Люди пишут то же, что на стендапе. С…
We deleted 460 lines of onboarding, and /onboarding is now a 44 line redirect with no page
Nakodo had an onboarding flow. src/app/onboarding/ held page.tsx , forms.tsx , actions.ts , loading.tsx and error.tsx : 460 lines that asked a new a…
I Built TikStory: A No-Login TikTok Story Viewer on Next.js and Cloudflare Workers
TikTok Stories are easy to post and easy to miss. They disappear after 24 hours, and if you watch one while logged into TikTok, the creator can see…
I built 'Notion meets Microsoft To Do' — E2EE notes, a PWA, and a Play Store app without Kotlin
Notes in one app. Tasks in another. Calendar in a third. Every day I paid a little attention tax shuttling between them. So I built Nuo — a block-ba…
Your Next.js App Feels Slow, but Lighthouse Says It’s Fast. Why?
You run Lighthouse. Performance: 95. Everything looks great. Then you actually use the application. You click a button. Wait. Open a dashboard. Wait…
Building a Private PDF-to-JPG Converter with Next.js and PDF.js
I built Free PDF to JPG Tool to make converting PDF pages into images easier, without requiring registration, installing software or uploading docum…
I built an old-photo colorizer on Cloudflare Workers + fal.ai: what worked and what bit me
Disclosure: I'm the maker of the site below. I recently launched Colorize Old Photos , a small web app that colorizes black and white photos and rep…
Building a Game Price Tracker: Handling Massive Data Complexity with Next.js & PostgreSQL
When I started building Rynko.it—a video game price tracker built to take on the giants in the niche—I thought the hardest part would be building th…
I uploaded a green square to a Next.js store and got stored XSS
Upload a malicious SVG to the admin product image field and get stored XSS that fires for every visitor. The admin panel in OopsSec Store lets you u…
What shipping Sanity projects taught us about content models that survive redesigns
Across our Sanity projects, the most reusable technical decision was not a clever GROQ query. It was defining the content before defining the pages.…
Welcome Back, React Hooks Made Simple: The Complete Guide, Part-2
Welcome Back In [Part 1] https://dev.to/abrar_galib_5c0cf41ad3a3e/react-hooks-made-simple-the-complete-guide-part-1-2jln we covered the core Hooks (…
I got tired of building the same backend twice, so I built a tool that generates it for me
Every time I shipped a product that needed both a mobile app and a web app, I ended up doing the same thing: build the backend, build the Flutter ap…
What is ShaadKit? A Look at My Personal Foundation for Next.js Projects
Where Does the Problem Start? Imagine you've started a new Next.js project. You're about to build something new and exciting. But before you even wr…
Asynchronous Jobs made easy with Inngest | Learn how to setup Inngest in a Typescript Project
Inngest with Next.js and TypeScript: A Practical Guide to Background Jobs, Workflows, Retries, and Debugging If you've ever written a Next.js API ro…
Building a Privacy-Focused Image Compressor Tool with Next.js
Recently, I built a small web project called Image Compressor Tool — a simple online tool that allows users to compress images directly in their bro…
What I learned building synchronized YouTube playback for Moka-fi
I built Moka-fi as a cozy online café where friends can study, talk, play and spend time together. One of the newest rooms is Watch Together, where…
How to take over a design built in Figma Make and develop it with Claude Code
From February to April 2026, I launched four web apps, each starting from a code bundle that Figma Make (Figma's AI feature that generates a working…
Next.js 15 next/form: Stop Writing Search Form Boilerplate
The End of Search Boilerplate For years, building a search or filtering interface in React-based frameworks felt like a chore. We all know the drill…
Resumable S3 Multipart Uploads in Next.js App Router
Why you should avoid routing bytes through your Next.js server Ever lost a 200MB upload at 98%? I have — and it’s the fastest way to lose a user’s t…
I built a free browser-based image & utility toolkit — here's what I learned
Why I Built ToolZip A few months ago, I needed to compress some images for a client project. I searched for a free online tool, found one, uploaded…
Building Médicos por Venezuela: High-Performance Non-Profit Tech Stack
Connecting patients with healthcare specialists in areas with unstable infrastructure requires web applications to be fast, reliable, and secure. At…
TestiWall: I built a free testimonials widget (2 min setup, email-verified reviews)
The problem I was trying to solve I kept seeing freelancers lose clients because their website had zero social proof. Screenshots of Google Reviews…
How I Built a Free, 100% Client-Side Gemini & Veo Video Watermark Remover Using Inverse Alpha Math
If you've generated images with Google Gemini (Imagen 3) or videos with Google Veo 3 , you've probably noticed the visible semi-transparent 4-pointe…
Structured Logging in Next.js with Pino (Request IDs to stdout)
A request failed in production at 02:14 and the only thing you have is console.log("error", err) somewhere in a route handler. You cannot tell which…
Building a 100% Serverless Disposable Email Platform with Cloudflare D1 & Next.js 15
Hey DEV Community! 👋 As developers, we've all been there: you're testing a signup flow, but you don't want to clutter your personal inbox, and exist…