Interactive PDF Editor, Annotator & Watermark Studio
Full canvas PDF editor: add text overlays, images, shapes, highlights, comments, stamps, watermarks, and signatures with Undo/Redo.
Load a PDF Document into the Editor Workspace
Upload any PDF from your device or load our 4-page interactive sample contract to test annotations, signatures, watermarks, and stamps immediately.
How to Use Edit & Annotate PDF
- 01.Open your PDF in the full interactive Editor Workspace.
- 02.Select tools from the top bar: Text, Highlight, Rectangle, Stamp, Watermark, Image, or Signature.
- 03.Click on the page canvas to place and customize elements, then click "Export PDF".
Document Processing & Privacy Notes
Clearly distinguishes annotation/overlay layers from existing PDF object streams and burns all edits into standard PDF content.
Processed 100% locally in your browser.
Frequently Asked Questions — Edit & Annotate PDF
What is the difference between overlay editing and native text editing?
Overlay editing places new vector text, highlights, stamps, or images on top of the page. To modify existing lines of text in the PDF, use our dedicated "Edit PDF Text" mode or inspector.
Related Edit & Annotate Tools
View All 30 Tools →Stamp customizable page numbers (e.g., "Page 1 of 4"), running headers, and footers with configurable typography and margins.
Inspect existing text lines extracted with exact PDF coordinates, modify text content in place, and export the updated PDF.
Inspect exact page dimensions (pt, mm, inches), edit Title, Author, Subject, and Keywords, and add document outline bookmarks.
Lock interactive form fields and annotations into static page content so values cannot be altered by recipients.