PDF annotation
Annotate PDFs Online
Review and mark up PDFs with common annotation tools. bunbunpdf supports text markup, sticky notes, stamps, geometric shapes, arrows, and freehand pen annotations.
Workflow
- Open a PDF in the editor.
- Select text to highlight, underline, strikethrough, or redact.
- Place notes, stamps, shapes, arrows, or pen marks on the page.
- Adjust colors, stroke width, fill, opacity, and annotation notes.
Controls
- Text markup annotations can include notes.
- Shapes include rectangles, ellipses, lines, arrows, polygons, pentagons, hexagons, and octagons.
- Stamps include checkmark, cross, circle, dot, and star styles.
Local editing
PDF editing runs locally in the browser with JavaScript and WebAssembly. PDF files, text, filenames, form values, signatures, and user-entered content are not uploaded.
Editor capabilities
- Open local PDFs in the browser
- Add text boxes with font, size, color, and alignment controls
- Type or draw signatures, initials, and dates
- Fill existing PDF forms
- Add new text fields and checkboxes
- Highlight, underline, strikethrough, and redact text
- Apply PDF redactions on export
- Add sticky notes, stamps, shapes, arrows, and freehand pen marks
- Search within PDFs
- Reorder, rotate, delete, insert, and resize pages
- Merge PDFs into the active document
- Split PDFs into named groups
- Export editable PDFs, flattened PDFs, ZIP archives, or individual split PDFs
- Undo and redo local edits