Add a table of contents page to a PDF

Automatically generates a table of contents based on the headings in your PDF and adds it as new page(s) at the start, including page numbers and dot leaders. Free, local in your browser.

Choose your PDF

Drop here or click to choose

Files stay on your device — nothing is uploaded

Detects headings by font size and inserts one or more table of contents pages at the start, with page numbers automatically adjusted for the inserted pages.

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Your file is processed in your browser and never uploaded.

How does it work?

1
Choose your PDF
Drag the PDF here.
2
Detect headings
Set the minimum heading size and review the found entries.
3
Insert & download
The table of contents page(s) are added at the start, with correct page numbers.

Frequently asked questions

Does this shift the rest of the document?

Yes, the page numbers in the table of contents account for the page(s) added at the start.

Are my files uploaded?

No. Everything happens in your own browser. Your file never leaves your device and is not stored anywhere.

Is it free?

Yes, completely free, without watermark or account. The site is paid for by ads.

Why in the browser?

PDFrust runs entirely in your browser using WebAssembly and modern JavaScript libraries such as pdf-lib and PDF.js. Your file is never sent to a server — all processing happens locally on your device. This means your documents remain private by design, regardless of what they contain. There is no account required, no file size limit, and nothing is stored after you close the tab.