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Organize
Add bookmarks to a PDF.
Bookmarks are the clickable outline PDF readers show beside a document. Add one for each chapter or section so readers can jump straight to it.
Runs in your browser·Files are never uploaded·One free document every 24 hours with a Google account
How it works
Add Bookmarks in three steps.
Choose the PDF
Select a long document such as a report, manual or thesis.
Bookmark pages
Go to a page in the preview and bookmark it with a title. Remove any you don’t want.
Save the PDF
The bookmarks are written into the file and show up in Acrobat, Preview, Chrome and other readers.
What you can do
What Add Bookmarks does.
- Bookmark any page with your own title
- Remove bookmarks before saving
- Standard PDF outline that every reader understands
- The pages themselves are not changed
Private by design
Your PDF never leaves your device.
Add Bookmarks runs inside your browser tab. The file you choose is read from your device, processed there, and the result is saved back to your device — it is never uploaded to a Pyrbit server, so there is no copy to keep or delete.
Processed in your browser
The Pyrbit PDF engine runs on your computer or phone, not in the cloud.
No upload
Your document isn’t sent anywhere — not to us, and not to a third-party converter.
Sign-in is for your plan only
Your Google account keeps track of your free daily document and Pyrbit Pro. It never gives us your files.
Prefer offline?
The Pyrbit PDF apps do the same work on your phone, tablet or Mac — even without a connection.
Web or app
Use Bookmarks in your browser, or in the free app.
Web browser
Works on any computer, tablet or phone with a modern browser. Sign in with a Google account to use the web app: one free document every 24 hours, with any tool. Pyrbit Pro (₹79/month or ₹599/year) gives unlimited use with no ads.
iPhone, iPad & Mac
Every tool, including Bookmarks, with no file-size limit and offline use. Free on iPhone and iPad (with ads); the Mac app is paid.
Android & Chromebook
Every tool, including Bookmarks, with no file-size limit and offline use. Free, supported by ads.
FAQ
Add Bookmarks questions.
Where do bookmarks show up?
In the sidebar or outline panel of PDF readers like Adobe Acrobat, Apple Preview and Chrome’s viewer.
Does merging PDFs add bookmarks automatically?
Yes — Merge PDF adds one bookmark per original file.
Do bookmarks change how the PDF prints?
No. Bookmarks are navigation only and don’t appear on the printed pages.
Is Add Bookmarks free?
On the web, sign in with a Google account and you can use Add Bookmarks — or any other tool — on one free document every 24 hours. Pyrbit Pro (₹79/month or ₹599/year) gives unlimited use with no ads. The Pyrbit PDF apps for iPhone, iPad and Android are free, supported by ads.
Ready when you are.
Open Bookmarks in your browser — your file stays on your device.