Fix Empty File When Exporting Combined PDF to Accessible Text
Question details
Exporting a merged or combined PDF to the Text (Accessible) format yields a completely empty text file, even though exporting the same document to Word or Excel functions properly.
- Product
- PDF Editor
- Device & OS
- not provided
- Scenario
- Attempting to extract readable, accessible text from a combined PDF document for text analysis or screen reader accessibility.
- Observed behavior
- The generated accessible text file is completely empty, failing to capture the text content of the combined PDF document.
Ensure that the source PDF files contain actual selectable text rather than image-based text. You can check this by trying to highlight text in the original documents using your PDF viewer.
Verify Selectable Text and Run OCR on Scanned Pages
Accessible text extraction relies on recognizable characters and document structure. Scanned images must be converted using OCR before extraction.
When exporting to Accessible Text, the software relies on underlying text tags and logical structure. If your combined PDF includes scanned pages or flattened images, there is no actual text to extract, leading to an empty file.
Before merging, open each original PDF file separately in your PDF reader.
Use your mouse to click and drag over the document content. If you cannot highlight the text, the document is an image.
Navigate to the tools menu in your PDF editor and select the OCR (Optical Character Recognition) feature to convert image-based text into readable text.
Save the OCR-processed files, then combine them into a single PDF again before attempting the accessible text export.
Export Individually or Rebuild the Combined PDF
If individual files contain text but the combined file fails, the merging process might have corrupted the document structure.
Convert and Combine PDFs Seamlessly with WPS Office
WPS Office provides robust PDF tools, including advanced OCR and accurate file conversion, ensuring your combined documents export perfectly to accessible text, Word, or Excel.
- 1. Open your PDF: Launch WPS Office and open your combined or individual PDF file.
- 2. Perform OCR if needed: Navigate to the 'Tools' tab and select 'OCR' to ensure all scanned pages contain recognizable, selectable text.
- 3. Combine files securely: Use the 'Merge PDF' tool under the 'Page' or 'Tools' tab to combine documents while preserving logical text structure.
- 4. Export to Text: Click on 'PDF to Text' in the 'Convert' tab to instantly generate your accessible text file without data loss.
Frequently Asked Questions
What does 'Text (Accessible)' mean in PDF export?
Exporting to Text (Accessible) extracts text in a way that attempts to preserve the logical reading order and document structure. This is crucial for screen readers and accessibility tools, but it requires the PDF to have underlying text data and proper structural tags.
Why does my PDF export perfectly to Word but not to Accessible Text?
Exporting to Word often utilizes advanced conversion engines that can handle image wrappers, layout bounds, and structural approximations. Accessible Text export strictly depends on the underlying logical text structure and tags; if the tags are broken during a merge, the text export will fail.
How do I know if my PDF needs OCR before exporting?
Open your PDF and attempt to highlight specific words or sentences using your cursor. If you cannot select individual words, or if the entire page highlights as a single image box, your PDF consists of scanned images and requires Optical Character Recognition (OCR) to make the text readable.
