Static file transformation

Filerobot can accelerate any type of static content, via the Filerobot CDN.

Static file delivery


By default, all URLs are considered as images. To deliver a non-image file, use the following operation:


CSS / JS minification

process=minify-css process=minify-js

Filerobot supports on-the-fly minifiation of CSS and JS to reduce file size and accelerate loading times:




PDF documents are by default delivered as images. If you wish to deliver PDF files over the Filerobot CDN, use:



When you provide a link to a PDF file, the first page is converted to an image and delivered via CDN. You can use all available resizing operations, image filters, watermarking capabilities and image compression and formats. To convert a specific page of the PDF document, use the doc_page=X option: