How I used FFmpeg.wasm to build a browser-based audio remover
I had a recurring frustration: I needed to mute a video before sharing it. Every tool I found either uploaded the file to a server, added a watermark,…
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(ShowDev) JavaScript Exceptions: What they do right, and what they do wrong
All languages have, so far, reached a certain point in their development: error handling. JavaScript, like most languages, chose try-catch statements.…
Inngest's instanceof lies: why custom error classes vanish across step.run
A small bug that will silently break your retry logic, your error reporting, and your dashboards. We run a long pipeline through Inngest — voice gener…
I Hid a Secret Message in a Cat Photo and Nobody Noticed for Six Months
Note: dev.to modifies the image, the original image with the secret is the original post 🤘 I found a steganography challenge in a CTF last year that h…
How to Send Next.js Form Submissions to Google Sheets Without a Backend
Building a contact form in Next.js is straightforward. You create a form component, add your input fields, wire up some state with useState, and handl…
The Late-April 2026 Chinese LLM Stack: Qwen 3.6, DeepSeek V4PLUS, Kimi K2.6, MiniMax M2.7, GLM-5.1 Compared
Originally published on NextFuture If you build with LLMs in late April 2026, the most expensive mistake you can make is assuming there are only three…
I built a local-first Chrome extension for translating selected text and saving vocabulary
I recently built Vocabinet , a Chrome extension for people who read foreign-language content online and want a faster way to translate words or phrase…
Alpine.js in 2026: The 7 kB Script Tag That Replaced jQuery (And When to Actually Use It)
Alpine.js 2026: The 7.1 kB jQuery replacement. No build step. Add reactivity to Laravel/Django & boost Core Web Vitals. Compare it to React and Vu…
Idempotency Keys: What Most Tutorials Don't Tell You
Every payment flow has a silent enemy: the network. Requests time out, connections drop, users panic, and click twice. What happens to your system whe…
Core Web Vitals in 2026: The Practical Fixes for INP, LCP, and CLS That Actually Work
Core Web Vitals in 2026: The Practical Fixes for INP, LCP, and CLS That Actually Work Your Lighthouse score says 95. Your users say your site feels sl…
I built an AI hiring platform with zero coding experience. Here's what I learned.
I'm a recruiter. Not a developer. 4+ years in TA, 140+ hires across 18 countries. A few weeks ago I shipped a full-stack AI platform used by people ac…
Glassdoor API in 2026: Why Developers Are Switching to Web Scraping
Glassdoor API in 2026: The Landscape Has Changed If you’ve tried accessing Glassdoor’s API recently, you already know: the public API is gone . Glassd…
Moving Beyond Official MSAL: A Better Way to Handle Entra ID in Next.js
Microsoft's official MSAL libraries are powerful, but they were not built with the Next.js App Router in mind. Developers attempting to integrate @azu…
I Built a Text Similarity Checker: Compare Two Texts Instantly in Your Browser
Recently I was working on my online tools website toolsonline.run and decided to build a Text Similarity Checker — a tool that compares two texts and …
Prisma Broke at 570 Models. I Rebuilt Its Generator in 500ms.
Prisma didn't slow down. It didn't degrade. It just… stopped working. RangeError: Cannot create a string longer than 0x1fffffe8 characters That's not …
Code Review Validator — free browser tool for developers
Code Review Validator: Automate Feedback, Improve Code Quality I built a tool to help developers give better code reviews — faster. It’s called Code R…
Cookieless EC measurement: a 4-step shift to first-party
"Safari traffic looks like it lost 30% of conversions year over year." "Tags fire empty after the cookie banner went up." I keep hearing variations of…
Not Your grandma's Code
A modern guide to using jQuery to style elements without a CSS stylesheet Gone are the days where three experts are needed for one project. In the age…
TypeScript Survival Guide (Part 1): Stop Making These Mistakes
If you're coming from JavaScript, TypeScript can feel overwhelming at first. Suddenly, you have types, errors, and things that didn’t exist before. Th…
I Built a Free QR Code Generator from Scratch — 24 Types, No Sign-Up, No Expiry
Hey Dev.to! 👋 I just shipped a side project I've been working on and wanted to share it with this community: QRKodu.online — a completely free QR code…
How to Build an Interactive Grade Calculator from Scratch Making Use Of If-Else If-Else Statement
The first part of the program is the Collector. Instead of us telling the computer the scores upfront, we’ve programmed it to ask, then after 5 input …
JavaScript Modules: Import & Export Explained
The Chaos of Unorganized Code Imagine you're building a full-stack app - your main.js file have 1,000+ lines. Functions for user authentication, data …
Async AutoFill With Caching: Filling Form Fields From External APIs at Runtime
Part 20 of the series: "Extending bpmn-io Form-JS Beyond Its Limits" A form has a "Related Ticket" dropdown. When the user selects a ticket, five fiel…
Writing Node.js Addons with .NET Native AOT: A Complete Guide
Ever wished you could write Node.js native addons in C# instead of C++? .NET Native AOT makes it possible—and practical. The Problem with Traditional …
From Beginner to Job Placement: My 6-Month Web Development Journey with Programming Hero
In today's fast-evolving digital world, web development has become one of the most valuable and in-demand skills. But like many others, my journey did…
The Forgotten Joy of `node app.js`
There used to be a moment, ten years or so ago, when you could go from "I have an idea" to "I have a running web server" in about thirty seconds: // a…
Why We Use useState in React — Explained Simply with Real Examples
Hey! Let me ask you something before we start. You built a counter in plain JavaScript. You clicked a button. The number went up. It worked. So when y…
I Stopped Paying for Subtitle Services After Running Whisper in a Browser Tab
Last Tuesday I needed subtitles for a 12-minute product demo. The video was in English, the audience was international, and the deadline was two hours…
I replaced CAPTCHA with passive biometrics after AI hit 91% bypass rate — 7 biological signals, no puzzles, free tier
CAPTCHA is broken AI now bypasses reCAPTCHA at 91%+ success rates. Every CAPTCHA you add costs you 17-29% conversion. It is a bad trade that gets wors…
I just launched my second Chrome extension in 8 weeks. Here's what building product two taught me.
Building your second product is completely different from building your first. With Prompt Helix I was learning everything simultaneously — manifest V…