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EDIT
Give a PDF an outline readers can jump around with: a bookmark for every page, a single bookmark, or none at all.
QUICK ANSWER
To add bookmarks to a PDF, add the file and choose One per page to bookmark every page, or Add one to add a single bookmark with your own title. Clear all removes the whole outline. Readers see the bookmarks in their viewer’s sidebar. It runs in your browser, so your file isn’t uploaded.
Updated 31 October 2026 · Written by the StackPDF teamUpdated 31 October 2026 · StackPDF team
You’ll choose how to update the outline next. It stays in this browser.You’ll choose how to update the outline next. It stays in this browser.
PDF files · Runs in your browser
QUICK ANSWER
To add bookmarks to a PDF, add the file and choose One per page to bookmark every page, or Add one to add a single bookmark with your own title. Clear all removes the whole outline. Readers see the bookmarks in their viewer’s sidebar. It runs in your browser, so your file isn’t uploaded.
Updated 31 October 2026 · Written by the StackPDF teamUpdated 31 October 2026 · StackPDF team
HOW TO
Drop it here, or choose it from your computer, your phone or My files.
One per page bookmarks every page, Add one adds a single bookmark, and Clear all removes the outline.
Readers see the bookmarks in the sidebar of their PDF viewer.
ACTIONS
Bookmarks, also called the outline, let readers jump straight to a page.
| ACTION | WHAT IT DOES | USE IT WHEN |
|---|---|---|
| One per page | Adds a bookmark for every page | Short files where each page is a section |
| Add one | Adds a single bookmark with your title | You want to mark one important page |
| Clear all | Removes the whole outline | The old bookmarks are wrong or out of date |
Bookmarks also let you split the file later with Split by bookmarks.
PRIVACY
Yes. Add bookmarks to a PDF runs in your browser, so the file never leaves your device.
StackPDF opens the PDF in your browser tab and does the work there.
Close the tab and it’s gone. Free results download to your device. Premium can also keep them in My files.
pdf-lib, PDF.js and qpdf do the work, inside your browser.
FAQ
Add the PDF, choose One per page or Add one, then download. Readers see the bookmarks in their viewer’s sidebar.
Yes. The free plan includes 1 PDF export a day, with no account. Premium removes the daily limit for $5.99 a month or $39.99 a year.
No. The outline is updated in your browser, so the PDF stays on your device.
Choose Clear all and download. The whole outline is removed and the pages stay as they are.
Yes. Choose Add one and type the title readers will see in their viewer’s sidebar.
Yes. Split PDF by bookmarks makes one file for each bookmark, named after it.