I Built a 4K Screen Recorder That Runs Entirely in the Browser — Here's How#webd

<p>I spent a weekend building a video-to-GIF converter that runs entirely in the browser. No server, no uploads, no ffmpeg binary — just raw JavaScript turning video frames into

<p>Hey! I'm Sergey and I'm building a macOS screen recorder that enhances recordings by smoothing cursor movement and generating zoom animations based on clicks.</p> <h2> Why I

<p>Hey DEV community! 👋</p> <p>As a developer and digital marketer, I got sick of using random, ad-stuffed websites every time I needed to quickly format JSON, calculate a margin,

<div class="highlight js-code-highlight"> <pre class="highlight markdown"><code>privacy webdevEvery time I uploaded a file to an online PDF tool, I wondered: what happens to it

<h2> TL;DR </h2> <p>Modern WebAssembly codecs (MozJPEG, libavif, OxiPNG/imagequant, libwebp, gifsicle, SVGO) now run fast enough in the browser that you can ship a real

<p>Every day, developers and power users need quick micro-tasks done:</p> <ul> <li>Formatting or minifying a raw JSON response</li> <li>Inspecting a JWT header &amp; checking

<p>If you've generated images with <strong>Google Gemini (Imagen 3)</strong> or videos with <strong>Google Veo 3</strong>, you've probably noticed the visible semi-transparent

<p>As developers, we all have that exact same workflow. You get a massive blob of JSON from an API, or a JWT token from a staging environment, and you instinctively Google "JSON