Edit PDF Bookmarks Online Free

Add, rename, reorder, and delete PDF bookmarks and table of contents entries.

Drop files here or click to upload

Max 100 MB

Edit PDF bookmarks online free to add, rename, reorder, or delete table of contents entries directly in your browser. No file uploads required.

Last reviewed: July 2026

How to use this tool

  1. 1Upload a PDF file to load its existing bookmarks.
  2. 2Use the tree editor to add, rename, delete, or drag bookmarks to reorder them.
  3. 3Set the target page for each bookmark using the page selector.
  4. 4Click Save to write changes back to the PDF and download the result.

Common use cases

  • Add a table of contents to a merged document that lacks navigation.
  • Fix broken or outdated bookmarks in an existing PDF manual.
  • Reorganize chapter bookmarks after rearranging pages in a long report.

Technical notes

  • Bookmarks support up to 4 levels of nesting depth.
  • The tool reads and writes the PDF Outline dictionary structure directly.
  • Page thumbnails are rendered to help identify correct target pages.

Private by design

This tool runs in your browser. Your file is not uploaded to our server while using the tool.

Limitations

  • Bookmarks pointing to named destinations are converted to page-number references.
  • Maximum nesting depth is 4 levels to maintain PDF reader compatibility.
  • Encrypted PDFs must be decrypted before editing bookmarks.

Frequently Asked Questions

What are PDF bookmarks?

Bookmarks are the clickable table of contents entries shown in PDF reader sidebars for quick navigation.

Can I add bookmarks to a PDF that has none?

Yes. Upload any PDF and use the Add Bookmark button to create entries from scratch.

Can I nest bookmarks into sub-levels?

Yes. Drag a bookmark to the right to nest it under the item above, up to 4 levels deep.

Will editing bookmarks change my PDF content?

No. Only the navigation outline is modified. Page content, forms, and annotations are untouched.

Are my files uploaded anywhere?

No. All bookmark editing happens locally in your browser.

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