How to use this PDF tool
- Select a PDF file.
- Choose the available option and adjust any tool-specific field.
- Select Analyze Keywords, review the result, and download the new report or PDF.
#111 · PDF Text & OCR Tool
PDF Keyword Density Analyzer
Find the words and phrases that appear most often in a text-based PDF. The report is generated locally and can be downloaded as CSV.
PDF Tool
Choose a PDFpages
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What this tool does
Find the words and phrases that appear most often in a text-based PDF. The report is generated locally and can be downloaded as CSV.
The tool extracts selectable text page by page and analyzes it locally. Scanned pages without a text layer require OCR first.
Password-protected, malformed, or unusually complex PDFs may not load. Large documents can use substantial browser memory.
Supported formats
Supports standard text-based PDF files. Image-only scans are not OCRed by this page.
| Input | Support |
|---|---|
| Supported | |
| Encrypted PDF | Not supported |
| Server upload | None |
Tips for better results
- Use an unencrypted PDF for reliable processing.
- Keep another copy of the original document.
- For scans, run OCR before using text analysis tools.
FAQ
Can pdf keyword density analyzer process scanned pages?
No. This page uses an existing selectable text layer or editable PDF structure. Run OCR first when the pages contain only images.
Does pdf keyword density analyzer upload my document?
No. Processing runs in your browser and the selected file is not sent to this site.
What happens with a password-protected PDF?
Encrypted or password-protected files may fail to load. Remove protection with the correct password before processing.
Can I use this tool on a large PDF?
It can, but browser memory and processing time increase with page count and file complexity. Split very large documents if needed.
Will the original PDF be changed?
No. The original file remains untouched. A separate result file is created for download.
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Processing details
| Task | Method |
|---|---|
| Privacy | Local browser processing |
| Result | Downloadable report |
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