Security on Daniel Eisenhardthttps://danieleisenhardt.nl/tags/security/Recent content in Security on Daniel EisenhardtHugoenSat, 03 Jan 2026 11:29:00 +0200Image conversion in Node.js - Part 1: The out-of-the-box experiencehttps://danieleisenhardt.nl/posts/image-conversion-in-node-js-part-1/Sat, 03 Jan 2026 11:29:00 +0200https://danieleisenhardt.nl/posts/image-conversion-in-node-js-part-1/This article will explain how to convert between image types with Node.js and Sharp. Only JPEG, PNG, WEBP, GIF, TIFF, AVIF are supported out-of-the-box. For other image types read one of the follow-up articles, as well as for file formats that aren’t technically images, but can be converted to images. TL;DR: Link to heading If you don’t care about theory, security, or best practices, run: npm i sharp Put the following in any javascript file, i.