Annotate PDF
Add text, draw, and highlight directly on any PDF page — no software to install.
Annotate PDF — FreeHow to Annotate PDF
- 1
Open your PDF
Drop the PDF you want to annotate.
- 2
Add annotations
Choose a tool: Text (click to place text), Draw (freehand), or Highlight. Change colours and font size as needed.
- 3
Save with annotations
Annotations are baked into the PDF when you download. They are visible in all PDF viewers.
Zero uploads
Files are processed entirely in your browser. Nothing is ever sent to a server.
No account needed
Open the editor, do your work, and download. No sign-up, no tracking.
Instant & offline
No waiting for server responses. Works offline after the first page load.
Frequently Asked Questions
Can I move annotations after placing them?+
Text annotations can be repositioned by clicking and dragging. Use Ctrl+Z to undo any annotation.
Are annotations permanent after saving?+
Yes. Annotations are embedded as page content in the downloaded PDF. Use the Flatten tool to ensure they cannot be removed by others.
Can I add a typed signature?+
Use the Sign tool for signatures — it supports drawing, typing, or uploading an image of your signature.
From the Blog
How to Edit Text in a PDF
PDF text editing is trickier than it looks. This guide explains what's actually possible — from adding text overlays to full content editing — and which free tools handle each case.
How to Annotate a PDF Online
Annotating a PDF — adding notes, highlights, and drawings — doesn't require Acrobat. You can do it entirely in your browser for free, with no uploads.
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