Oxodian Tools

PDF Annotator

Mark up PDF pages with visible annotations. Add notes or highlights in a local browser workspace and save an annotated copy.

Open the interactive workspace with JavaScript enabled. Preview and editing are free.

How to use PDF Annotator

  1. Load a PDF.
  2. Choose pages and add the required annotations.
  3. Review the marks and export your document.

Output and supported files

Annotated PDF. Annotations are not a secure way to redact confidential text. A visual cover may leave underlying PDF information accessible.

Do my files leave my device?

Your file contents stay in your browser. Account, credits and tool-usage requests reach Oxodian.

Related tools

Files are processed on your device. Sign in for five daily free credits; one export or started session costs one credit. Unused daily credits do not roll over. Device and file limits apply.