Upload and annotate
Open PDF documents in the browser and start highlighting important text right away.
Highlight PDFs and keep your notes organized
PDF Highlighter lets you upload a PDF, mark important text, add comments, draw, search with AI, and export a clean highlighted file from Chrome.
AI found 3 key passages
Why PDF Highlighter
Tools for reading, marking up, and saving PDFs without a heavy desktop editor.
AI highlight search
Ask for key passages and let the assistant find relevant text inside your document.
Notes and comments
Add comments to highlights so your research, review notes, and study points stay attached.
Drawing tools
Use freehand drawing, rectangles, and text boxes for quick visual markup.
Export clean PDFs
Download your annotated PDF with highlights, notes, drawings, and text edits preserved.
Browser-first workflow
No bulky editor required. Work with PDFs online from a focused, lightweight interface.
Simple pricing
Start free, then upgrade when you need more AI requests.
Free
$0/ month
- Highlight and annotate PDFs
- Add notes, drawings, and text
- Export highlighted PDFs
200 AI requests
Pro
$5/ month
- Everything in Free
- 200 AI requests per month
- AI search, answers, and highlight suggestions
Frequently Asked Questions
Everything you need to know about PDF Highlighter.
You can upload PDFs, highlight selected text, add comments, draw on pages, place text boxes, search the document with AI, and export the updated PDF.
The Pro plan costs $5 per month and includes 200 AI requests for document questions, AI-assisted search, and highlight suggestions.
Yes. PDF Highlighter exports your PDF with your highlights, drawings, rectangles, text boxes, and notes preserved.
Yes. The free plan is available next to the paid plan and is designed for core PDF highlighting and annotation workflows.