Add, edit, import, delete and extract PDF bookmarks.
Click to select a file or drag and drop
A single PDF file
Your files never leave your device.
PDF bookmarks (also known as document outline or navigation pane) are interactive links that provide quick navigation within a PDF document. They appear in the sidebar of PDF readers and allow users to jump to specific sections, chapters, or pages.
Why are bookmarks important?
Key Features
Select your PDF file or drag and drop. Enable auto-extract to pull existing bookmarks. Your files are processed locally.
Add new bookmarks, edit titles, adjust page numbers, create hierarchies, set colors, or use batch operations for efficiency.
Download your PDF with updated bookmarks, or export bookmark data as CSV/JSON for reuse. All changes are preserved.
title,page,level,color,style Introduction,1,1,, Chapter 1,5,1,blue, Section 1.1,6,2,,bold Section 1.2,8,2,,italic Chapter 2,12,1,green, Appendix,50,1,,
CSV format: title, page number, level (1=top, 2=child, etc.), color (optional), style (optional)
{
"bookmarks": [
{
"title": "Introduction",
"page": 1,
"level": 1
},
{
"title": "Chapter 1",
"page": 5,
"level": 1,
"color": "blue",
"children": [
{
"title": "Section 1.1",
"page": 6,
"level": 2,
"style": "bold"
}
]
}
]
}
JSON format supports hierarchical structures, colors, and font styles.
No, bookmark editing only modifies the document outline/navigation structure. All original content - text, images, formatting, and layout - remains completely unchanged. Bookmarks are stored separately from page content.
Bookmark levels create a hierarchical structure:
Yes, there are two ways to import existing bookmarks:
The tool preserves all hierarchical relationships when importing.
The tool includes validation to prevent this:
Always preview bookmarks before final download to ensure correct navigation.
Yes! Bookmarks serve as the foundation for interactive Tables of Contents: