... building ScreenSync, a Chrome extension for testing responsive websites across mobile, tablet, and desktop viewports simultaneously. It mirrors scroll, clicks, and form inputs, and includes screenshots, annotations, WebM recording, breakpoint inspection, localhost/staging support, and an MCP bridge for Claude, Cursor, Gemini, and Windsurf. It is free to use, requires no account or sign-up, and runs locally in the browser. I m using it in real software development projects and updating it continuously. I d love honest feedback from frontend ...

... beautiful and required very few stylistic adjustments. Bootstrap 5 Base: The code structure is modern and clean, making color customization simple using standard CSS variables. Responsive Grids: The elements scale down beautifully, keeping the content readable on small viewports. The Cons: Tab Styling Bug: The active tab states had minor text contrast issues on mobile iOS screens, requiring manual CSS specificity updates. Too Many Demo Assets: The initial download bundle was quite heavy, and you have to spend time cleaning ...

... with the card image, making the main title completely unreadable. This happened because the template used a hardcoded negative margin in its CSS grid to create a layered look on desktop, but did not reset that margin for smaller viewports. To solve this, I decided to rewrite the typography and spacing rules using fluid CSS properties. Instead of static margins and font sizes, I used the CSS clamp() function. This function lets you define a minimum, preferred, and maximum value ...

... biggest culprit was the interactive floor plan image gallery. The theme uses a heavy JavaScript slider script to let users swipe through apartment layouts. While this works fine on desktop, the script was loading on all mobile viewports, blocking the main thread and causing a noticeable delay in visual loading. To make things worse, this heavy script was being enqueued on pages that did not even feature a floor plan grid, like the "Contact Us" page. I did not want ...

... similarity. Real scores are preserved now. Images load immediately when scrolling there was a race condition where newly visible cards in the grid wouldn't trigger their image load. Fixed so images appear the instant they enter the viewport. Graph stays crisp when you zoom the UI zooming the interface made the canvas go blurry because its internal resolution didn't scale with the zoom level. Now it renders at full resolution at any zoom setting. Feedback appreciated ...

... still knows what it referred to after the file changes. a generic todo loses that pretty fast. Comment from XUEYANZ(@xueyanzhang): @mark_wood37  Thank you Mark. That's what I am wondering too. Mobile app as a simple viewport make the notes more accessible. Appreciate your support~ Comment from XUEYANZ(@xueyanzhang): @abdullah_javaid3  Appreciate your practical and honest inputs. I totally agree that "it's a second product" of its own. The fast notetaking feature is the center ...

... button detection breaks on a weird site, you still get colors, typography, and everything else. The report tells you which parts degraded so you know what to trust. Faster runs, lower cost Tall pages (like Stripe at 16 the viewport) used to generate a massive full-page screenshot that burned tokens without adding much insight. Now we check the page height first and only take targeted shots where they matter hero, mid-page, and footer. The data pipeline went from ...

... Press f for a full-screen list of the changed files. Enter on a file row opens its unified diff with syntax highlighting chroma's diff lexer, monokai palette, the universally recognised red/green for - / + lines and a scrollable viewport so a 400-line patch fits without pushing anything off-screen. Three levels deep, all read-only: PR detail enter on a PR row Files changed f File diff enter on a file row Contextual title bar at every depth ... ... opening a PR doesn't take any longer than before. Patches over 500 hunk lines render a banner pointing at GitHub; pagination caps at 300 files per PR. A worst-case node_modules-shaped PR can't freeze the viewport

... drop, merge separate files, or extract specific pages seamlessly. * Smart Compression: Optimize high-res PDFs down to size while keeping layouts and text razor-sharp. * Format Extraction: Cleanly convert page layouts into flexible image assets (JPEG/PNG) right in the viewport. Whether you're a developer looking for clean browser utilities, a founder managing rapid operations, or someone tired of bloated subscriptions, this suite was built to respect your time and data privacy. I d love to hear your thoughts, feedback ...

... route loads without any loading state protection - if someone pastes the URL directly, the app flashes before redirecting (or doesn't redirect at all depending on auth state). Classic race condition on the auth guard On mobile, the meta viewport is set correctly but the app feels like it was designed desktop-first - the calendar integration UX in particular will be painful on a phone screen One bigger thing: you're giving this away free with no credit card. That ...

... Repos tab every owned non-fork repository in one sortable, searchable list. Language, stars, forks, open issues, last push. Press s to cycle sort, / to filter by substring. Viewport scrolls so a 100-repo account stays navigable. - PRs tab every open pull request you've authored across every repo. Draft / ready-to-merge / conflicting state at a glance, newest-update first. - Issues tab every open issue you've authored, wherever it lives. Same sort & search idioms as the other ...

... hunting at the bottom. It should help new boards get moving faster. What s new Public boards: enhanced cards with cleaner UX and a fresh design. Next-gen cards: groundwork that will roll out across Kanbanq. Add Tasks: inline, viewport-aware task creation. Billing reliability: pro unlocks as it should and account details save. Why we changed it Numbers showed friction at task zero and feedback matched it. So we moved the button where your cursor and eyes already ...

... balanced diet of espresso shots and questionable amounts of energy drinks, which means you guessed it: fresh updates are here. From saying goodbye to Coming Soon, to giving you a shiny red self-destruct button, to sprucing up Alternatives, and a shiny new footer, we ve packed a lot into this round. Coming Soon Forum Threads The old Coming Soon pages have officially retired ( and you lot noticed ). From now on, every new product you create gets its own forum ... ... Click it and your launch is gone. No forms, no waiting, no awkward back-and-forth, and our support team get to sleep in. (P.S. Don't worry if you accidentally delete your launch, our team can restore it) Alternatives

... cleaner UX, better keyboard support stuff that's still hard to replicate in a browser. I ve been building one myself recently, and honestly, it s been refreshing. No browser quirks, no CSS gymnastics, no worrying about five different viewport breakpoints. Just focusing on the actual experience. Is it just me? Or are you seeing this shift too? Curious if anyone else here is building or using more desktop-native tools lately Comment from Sandy Suh(@sand1929 ... ... experience is like these days. I have no experience with desktop, but web-based frameworks like React always seemed to have a lower barrier to entry to me, especially since you don't have to worry about accommodating Mac vs

... Serious question: Why do most 3D design tools still feel like they were built for Windows XP? You open them up and immediately feel like you need to go get a degree in viewport navigation. Everything takes forever. Everything costs a fortune. And God help you if you want to share anything with someone else. Meanwhile the rest of the creative world moved to the browser years ago. Designers have figma Teams have notion Video folks have Runway ...