Jimmy Dark

JavaScript, WebAssembly, browser APIs (File, Blob, CompressionStream),
PDF internals, Python, HTML/CSS

SEO and content strategy - and the PDF internals rabbit hole.

MillFile - browser tools that never upload your files: exact-size PDF
compression (100 KB - 20 MB) and camera RAW to JPG. Open source, MIT.

Reviews of browser tools, and conversations about PDF internals, file size
limits, and why compressing a document can quietly break it.