OCR and sign a PDF entirely in the browser — no upload, no server

<p>The number of services that want you to upload a signed contract to their servers is wild. Every lease, every freelance agreement, every school form — and the "free e-sign"

<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

<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><strong>1. The constraint</strong><br /> Why a screenshot tool uploading your screenshot is a bad default, and what changes if you refuse to.</p> <p><strong>2. The wrong first

<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,

<h2> The Problem </h2> <p>We've all been there:</p> <ul> <li>Need to merge a PDF → site asks you to create an account</li> <li>Need to compress → limited to 2 free files</li>

<h2> You Probably Don't Need a Server for That </h2> <p>A few months ago I needed to convert about forty HEIC photos from my phone into PNGs. The first three results on Google

<p>The obsession with centralizing heavy compute on backend servers is a massive bottleneck for both cost and latency. In 2026, as more applications move to the edge, developers