PDF stamps
Stamp PDFs Online
Use stamps for approvals, review marks, checklist workflows, and quick document markup. Stamps can be placed, moved, resized, recolored, and exported with the PDF.
Workflow
- Open a PDF in bunbunpdf.
- Choose the stamp tool and select a stamp shape.
- Place stamps on the page and adjust color or size.
- Export editable annotations or a flattened final PDF.
Controls
- Available stamp styles include checkmark, cross, circle, dot, and star.
- Stamp annotations remain editable in editable export mode.
- Flattening bakes stamps into the final pages.
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