Building a Browser-Based Tiled Poster PDF Generator

<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>As Steve Jobs said, "<strong><em>Design is not just what it looks like and feels like. Design is how it works.</em></strong>"</p> <p>Converting an image to PDF should work like

<p>A year ago I was rebuilding the same <code>&lt;PhoneInput&gt;</code> for the third time across three different projects. Each time I reached for

<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

<p>"PDF to PowerPoint" sounds like it needs a server: parse the PDF, rebuild slides, hand back a <code>.pptx</code>. But you can do the whole thing in the browser — render each

<p>I made a tool that draws every week of your life on a single sheet of paper.</p> <p>A long human life is roughly 5,200 weeks. That's a 100-row × 52-column grid — small enough

<p>PDF generation sounds boring until you're deep in archival standards, cryptographic signing, and cross-language memory bridges at 3am. Building <a

<p>Last year I was paying $200/month for an EC2 instance that did one thing: accept audio file uploads, run FFmpeg, and return the converted file. FLAC to MP3. WAV to OGG. Bitrate