Strikethrough, underline or highlight PDF text
Drag across text to strike it out, underline it, add a squiggly line or highlight it, rotated text too.
- Files never leave your device
- Free, no signup, no watermark
- Works on any browser
- Edit existing text
- Sign
- Fill forms
- Comment & mark up
- Stamps & symbols
- True redaction
- 20+ fonts, any language
How to strikethrough, underline or highlight PDF text
- 1Open your PDF
- 2Choose a style and drag across the text
- 3Download your marked-up PDF
About Strikethrough & underline
Drag across existing text to strike it out, underline it, add a squiggly line or highlight it. Marks snap to whole characters and follow the line’s direction, so vertical and slanted text work too. Click a line to mark all of it.
Useful for
- Show deletions in a contract revision
- Underline key terms while studying
- Mark errors in a proof
- Highlight figures in a report
Frequently asked questions
Does it work on scanned PDFs?+
It needs real text. Run OCR on a scan first, or use Highlight area to mark any region.
Is it free?+
Yes, completely free: no signup, no watermark, no paywall at download.
Are my files uploaded to a server?+
No. Everything is processed locally in your browser, so your files never leave your device.