How Chrome Extensions Actually Make Money
Publishing a browser extension to an app store is straightforward, but setting up a sustainable business model requires solving architectural challe…
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A 421M encoder beat a 1.5B LLM at running my agent, inside a browser tab
layaAgent: an AI agent where a small typed-decision encoder makes the routine decisions, a local LLM or a person takes the steps it is unsure about,…
Stop Debouncing Resize. The Browser Already Watches It.
Your dashboard has a sidebar that collapses into icons under 900px. Someone on the team drags the browser window slowly from a wide monitor to a nar…
Keeping a browser video and a locally processed audio track in sync — and the 0.2s leak that broke it
We build [ HaramLite ]( https://haramlite.com ) , a desktop app that removes music and instrumentals from video and audio on the user's own machine…
What a Browser Extension's Test Suite Cannot Reach
Longshot is a Firefox screenshot extension I wrote to replace FireShot: full page, visible area, drag region and element capture, an editor with ele…
The await That Silently Breaks navigator.clipboard.writeText()
Someone on your team ships a "Copy invite link" button. It fetches a fresh, single-use link from the API, then copies it to the clipboard so the use…
Why Sweating the Details Matter: Flask, port 5000, localhost, Safari and macOS
Pop quiz : Suppose you are developing a Flask app. Flask uses port 5000 as its default port. Now suppose that you have your Flask app running on mac…
One version bump, 40 files to edit. Import maps fix that.
grep -rl "esm.sh/[email protected]" src/ came back with forty-one files. Forty-one places where the same CDN URL, pinned to the same version, was ty…
Why I Built Another Browser Automation Platform
Browser automation is already a solved problem. At least, that's what I thought before I started working on Figranium. There are excellent projects…
Go-juggler и протокол Juggler
ИИ-агентам нужно ходить по настоящему вебу. Но настоящий веб враждебен к автоматизации: Playwright блокируют, headless-версия Chrome палится по отпе…
Debugging Complex Pointer and Touch Event Interactions in Mobile Browsers
Ever tried to build a smooth swipe or pinch gesture on mobile only to find it firing weird events, missing touches, or blocking scroll? If you’ve be…
I solved a 5 year old bug
This is a submission for DEV's Summer Bug Smash: Smash Stories powered by Sentry . Introduction Let me start by saying I am an Open-source contribut…
Brute forcing my way to better HTML > DOCX conversion
About 10 years ago I fell in love with Vue.js. The easy-to-learn syntax and reactivity were a joy to work with, and HMR (hot module replacement) add…
I Built a Browser From Scratch, and It Finally Renders the World's First Website Like Chrome Does
A while back I set myself a slightly unhinged goal: build a web browser from scratch in Node.js and Electron no external HTML/CSS/layout libraries,…
Prisma can now work in your browser, expo/react-native apps? — meet forge-orm
I love Prisma. I have shipped Prisma to production more times than I care to count. It changed how a lot of us write TypeScript against databases. B…
Writing unit test for Firefox private browsing window
Our indicator looks like this: an icon + a label. The browser has an indicator for when a user is in private mode. The indicator lives in two places…
Browser Security Model: The Defensive Walls Every Hacker Knows (And Every Developer Should Too)
"To defend a system, you must first think like the attacker." I'll tell you this: the browser is one of the most hostile execution environments ever…
How Free Online Tools Survive Without Collecting Your Email
The question comes up every time someone recommends a free, no-account tool: "How does this even stay online? How are they paying for servers?" It's…
Why SaaS Tools Are Dropping the Login Wall in 2026
Something quiet happened to the web over the last few years. Tools that used to demand your email address before showing you anything now just... wo…