PDF Highlighter Tool
Highlight, annotate, and export your PDF documents
Please upload a PDF file to begin highlighting.
Step-by-Step Guide to use PDF Highlighter Tool
1️⃣ Upload a PDF
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Click “Upload PDF” and select a PDF file from your computer.
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The tool will load the PDF and display the first page.
2️⃣ Highlight Text
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Select text (click and drag) to highlight it.
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Choose a highlight color from Pop-up: Yellow (🟨), Green (🟩), or Pink (🟪).
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Click on any Color to Apply it.
3️⃣ Navigate Between Pages
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Use the “Previous” (⬅️) and “Next” (➡️) buttons to move between pages.
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The tool automatically saves highlights when switching pages.
4️⃣ Manage Highlights
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Undo Last Highlight (↩️) – Reverts the most recent highlight.
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Clear Page (🗑️) – Removes all highlights from the current page.
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Reset Tool (🔄) – Clears all highlights and removes the PDF.
5️⃣ Export Your Work
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Click “Export” and choose:
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Export as PDF – Downloads the PDF with all highlights.
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Export as JSON – Saves highlight data (text, position, color) for analysis.
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Why Use Our PDF Highlighter Tool?
The PDF Highlighter Tool allows you to:
Highlight text in PDFs with different colors (yellow, green, pink).
Save and export highlighted PDFs for future reference.
Work offline (no server uploads, all processing happens in your browser).
Navigate multi-page PDFs while keeping highlights intact.
Export highlights as JSON for data analysis or sharing.
Perfect for students, researchers, and professionals who need to annotate PDFs quickly.
Frequently Asked Questions
1. Does this tool upload my PDF to a server?
✅ No! Everything happens in your browser—your PDF never leaves your computer.
2. Can I highlight multiple pages?
✅ Yes! Navigate between pages using the Previous/Next buttons, and highlights will be saved automatically.
3. How do I remove a highlight?
✅ Click on any highlight to delete it, or use “Clear Page” to remove all highlights from the current page.
4. Can I reopen a PDF with saved highlights?
❌ Not directly. The tool doesn’t permanently save PDFs. However, you can:
Export as PDF to keep a highlighted version.
Export as JSON to save highlight data and reapply it later.
5. Why are my highlights not appearing in the exported PDF?
🔹 Possible reasons:
The PDF has security restrictions (try another PDF).
The text is scanned or image-based (OCR may be needed).
Refresh the page and try exporting again.