This tool lets you write on a PDF as you would with a pen: add text at a precise spot, highlight a passage, draw a freehand line or stamp an image. There is no software to install; the annotation happens on screen. The annotated document is generated in your browser, without going through a server.
You can add free text at a specific spot, highlight a passage, draw freehand with a mouse or finger, and stamp an image onto the page. Everything happens on screen, with nothing to install.
Yes, that’s a common use: highlight the clauses to discuss, add margin comments or stamp a logo, then download the annotated PDF ready to share.
No, annotation is computed entirely in your browser, with nothing uploaded to a server, and the tool is free.
Vellum — free PDF tools whose processing stays on your device.