Sketch over PDF: guide
Open Sketch over PDFDraw and highlight on a spacious PDF canvas
Draw and highlight on a spacious PDF canvas. Configure the available options, inspect the result and download it from your browser.
How it works
- Open one PDF in Sketch over PDF.
- Choose Pen or Highlight, ink colour and thickness. Draw on the page. Use Scroll to navigate without drawing.
- Use Previous or Next for another page. Undo, redo or clear marks on the current page.
- Press Download annotated PDF, then Download PDF on the result screen. Use Download this page PNG when you only need the current view.
Adds visual marks while retaining original page contents. Not redaction.
When to use this tool
Annotate a PDF on a spacious canvas.
What to check before sharing
Sketch adds visible strokes to original page content. If fillable fields could cover your marks, make fields read-only before export. No-change exports return the original bytes. Digital signatures can be invalidated by changes. Work is not automatically saved when the tab closes.
Supported files
Adds visual marks while retaining original page contents. Not redaction.
Inputs: PDF. Performance depends on your device. Download important work before closing the browser; local storage is not a backup.
Troubleshooting
If the file will not open, check it in another PDF reader. If it is password-protected, use Remove a PDF password with a password you know. For scans that need selectable text, run Make a PDF searchable first.
Common questions
Can I scroll without drawing?
Choose Scroll in the toolbar.
Are my marks saved automatically?
No. Download before closing the tab.
Which files can I use?
Supported inputs: PDF. Adds visual marks while retaining original page contents. Not redaction.
Is this free?
Core tools require no account or subscription and add no watermark.
Do my documents leave my device?
Document processing runs in your browser. PDF Studio does not upload document files. Explicitly saved drafts and My files remain in this browser until deleted. Read aloud may use network-backed browser voices.