Short answer
Highlight text runs entirely in your browser. Draw colored highlight rectangles on any page — freehand boxes, not auto text selection. No account, no watermark, and the file never leaves your device.
Stays on your device·No upload·No account·No watermark·Offline after install·How it worksMethodologyPrivacy
Highlight PDF
Draw colored highlight rectangles — freehand boxes, not automatic text selection.
Loading tool…
About this tool
Draw colored highlight rectangles on any page — freehand boxes, not auto text selection. Runs entirely in your browser — no upload, no watermark, no account.
How to use Highlight PDF
- 1Open your file for Highlight text (or continue a session).
- 2Choose options if the tool offers any.
- 3Click Add, then download the result.
You need
- A PDF file
Frequently asked questions
Does highlight select text automatically?
No. You draw freehand colored rectangles. It does not auto-detect words like a word processor.Highlight vs Redact?
Highlight marks for reading. Redact permanently destroys covered content on matched pages.Does highlight upload my PDF?
No. Marks are drawn and saved in your browser.