Annotate & Highlight PDF
Add highlight regions, text notes, rectangles, and lines to PDF pages with a visual editor.
Add visible highlights, text notes, rectangles, and lines to selected PDF pages in a new copy.
How to use this tool
Upload an accepted source file
Choose a file in one of the supported input formats. NetroDoc validates it before processing.
Choose the compatible action
Select this tool from the actions shown for your file, then start processing.
Download and review the result
Open the output and check the information, page order, readability, and file type before using it elsewhere.
What this tool does
Add highlight regions, text notes, rectangles, and lines to PDF pages with a visual editor.
Review annotation placement and readability after export. These marks are visual overlays and should not be treated as secure redaction or as a replacement for the source PDF.
When this output is useful
Specific workflow
Prepare a reviewed or commented PDF copy for collaboration, study, or document markup.
Review before relying on the result
Review annotation placement and readability after export. These marks are visual overlays and should not be treated as secure redaction or as a replacement for the source PDF.
Temporary processing and review
NetroDoc processes this request in temporary working storage and returns a new download. The output can retain sensitive information from the source, so inspect and handle it with the same care as the original.
Privacy →Frequently asked questions
What should I check after using this tool?
Review annotation placement and readability after export. These marks are visual overlays and should not be treated as secure redaction or as a replacement for the source PDF.
When is this output useful?
Prepare a reviewed or commented PDF copy for collaboration, study, or document markup.