Generate Table of Contents
OrganizeIf your PDF has bookmarks, generate a beautifully formatted Table of Contents page and prepend it to the document.
How to use Generate Table of Contents
- Open this page in any modern web browser — no download or installation required.
- Click Add file or drag and drop your PDF onto the drop zone.
- Adjust the available settings to fit your needs.
- Click the action button and save the processed file — the result is ready instantly.
Files never leave your browser. No upload to any server.
Processing runs locally on your device. No queues, no waiting.
No signup, no watermarks, no limits. Use as many times as you like.
Why use Generate Table of Contents on PDF Modern?
PDF Modern’s generate table of contents tool processes your file entirely within your web browser using modern WebAssembly technology. Unlike traditional online PDF services that require uploading your documents to remote servers, your files never leave your device — ensuring complete privacy and security. Processing happens at the full speed of your CPU, not limited by upload or download bandwidth, so even large files are handled in seconds. There are no file-size restrictions, no daily usage caps, no watermarks on output, and no account creation needed. It is a fully free, open tool built for everyday document workflows at home, school or the office.
Frequently asked questions
What if my PDF has no outline?
The tool builds a ToC from the PDF's built-in bookmarks/outline. If none exist, it shows a friendly message — try our Add Bookmarks tool first.
Where is the ToC inserted?
A new page is added at the very front of the document with each entry, dotted leader and page number.