How to use this PDF tool
- Select a PDF file.
- Choose the available option and adjust any tool-specific field.
- Select Detect Language, review the result, and download the new report or PDF.
#113 · PDF Text & OCR Tool
PDF Language Detector
Identify the likely language used in a text-based PDF. The detector combines writing-system checks with common-word signals.
PDF Tool
Choose a PDFpages
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What this tool does
Identify the likely language used in a text-based PDF. The detector combines writing-system checks with common-word signals.
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 language detector 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 language detector 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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