Annotate PDF
Add text, shapes, and markup to any PDF. Place annotations directly on the page — all processing happens in your browser.
100% private — processed on your deviceDrop your files here
or click to browse — add as many as you like
Edit options
0 annotations
Local processing
Files never leave your device
Annotate a PDF by adding text, shapes, and markup directly onto the pages, all inside your browser. PDF Bunker edits the file locally, so your document is never uploaded.
How it works
- 1Drop your PDF into the upload area, or click to browse for it.
- 2Pick a tool — add a text box or draw a rectangle — and set the color and size.
- 3Click on the page to place your text or shapes where you want them.
- 4Click Save to download the annotated PDF with your markup baked in.
Frequently asked questions
What can I add to a PDF with the annotate tool?
You can add text boxes and shapes such as rectangles, and adjust their color and size, to mark up or highlight parts of any page.
Is my PDF uploaded when I annotate it?
No. All editing happens in your browser, so your document never leaves your device.
Does it work offline?
Yes — once the page has loaded, you can annotate a PDF with your internet disconnected.
Do I need an account?
No. Anonymous users get up to 5 operations per day; a free account gives unlimited basic operations.