← All PDF tools
Edit PDF
Edit a PDF
Mark up a PDF with text and shapes entirely in your tab. Useful for quick notes, stamps, and callouts.
Runs in your browser. Your PDF stays on this device — nothing is uploaded for processing.
Text marks
Click a page to place typed notes.
Shapes
Add rectangles or highlights where you need emphasis.
Page preview
See each page before you commit marks.
Private
Annotations never leave this device.
Use the tool
Tool
No PDF
Load a PDF, choose a tool, then mark the page.
Private by design
- Pages render locally with PDF.js.
- Marks are burned into a new PDF with pdf-lib when you download.
- Nothing is uploaded for processing.
Load a PDF, then click (text) or drag (highlight / rectangle) on the preview.
How it works
Markup stays on your machine
Pages render locally with PDF.js. Marks are burned into a new PDF with pdf-lib when you download.
Three steps
- 1
Load a PDF
Choose the file to annotate.
- 2
Add marks
Pick text or shape, then click the preview.
- 3
Download
Export the annotated PDF.