Free, Open Source, and Local alternative to iLovePDF. 100% private PDF tools right in your browser. Like many of you, I constantly need to merge, compress, or tweak PDFs. But every time I used a popular online tool, I felt uneasy about uploading my documents—especially anything containing sensitive work or personal info—to a random cloud server. That’s why I built MyDeviceMyPDF. Everything runs entirely in your browser without a backend server processing your files.