You Probably Don't Need a Server For That

<p>Every developer runs into hashing at some point. Checking file integrity, storing password fingerprints, verifying API payloads, generating cache keys.</p> <p>Most reach for 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

<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>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

<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>Most "free online PDF" tools quietly upload your document to a server. For a signed contract or a scanned ID, that's the whole problem. So I built two tools that don't: an <a