#webp

A stateless Rust service that renders the first page of a PDF into a sharp, uniformly sized WebP thumbnail, reading the PDF and writing the image through two presigned links, so no application streams files or holds storage credentials.

Free converters stamp a watermark on web assets by design. Four small ffmpeg wrappers do the job locally, and the watermark was the least of it: the real work was choosing the quality, preset and GIF palette flags ffmpeg lets you get wrong.