PDF conversion is rarely perfect. Understanding why problems occur helps you choose the right fix rather than just retrying the same approach.

Problem 1: Converted Text is Garbled or Shows Wrong Characters

Symptom: After converting PDF to Word, text appears as random characters, symbols, or boxes.

Cause: The PDF uses embedded fonts with custom character mappings that the converter cannot decode. This is especially common with PDFs generated from older software or from non-Latin scripts (Arabic, Chinese, Japanese, Korean).

Fixes:

  • Re-export from source: If you have the original document (Word, InDesign, etc.), export a new PDF with standard embedding. This produces the cleanest result.
  • Copy-paste text manually: Open the PDF in a browser, select text, and paste into Word. Browsers are often better at text extraction than converters.
  • Use OCR: If the text extraction fails entirely, the PDF may be an image-based scan. An OCR (optical character recognition) tool can extract text from scanned documents.

Problem 2: Tables Are Completely Broken After Conversion

Symptom: A perfectly formatted table in the PDF becomes misaligned text or merged into a single paragraph.

Cause: Tables in PDFs are not stored as table objects — they are drawn as positioned text elements. Converters have to infer table structure from spatial positioning, which often goes wrong for complex tables.

Fixes:

  • Recreate the table manually in Word — this is often faster than trying to fix a broken automatic conversion
  • Export from source — if you have the original, re-export and use the Word file directly
  • Use a table-aware converter — some PDF converters handle tables better than others

Problem 3: Images Are Missing After Conversion

Symptom: The converted Word document contains no images, even though they appeared in the PDF.

Cause: Some PDFs embed images in formats or compression modes that converters cannot extract. Password-protected or permission-restricted PDFs may block image extraction.

Fixes:

Problem 4: Columns and Layout Are Wrong

Symptom: A multi-column PDF converts to single-column text, or columns are in the wrong order.

Cause: PDF does not store "columns" as a concept. Text in a two-column PDF is positioned independently. Converters read text in the order it appears in the PDF's internal structure, which may not match visual reading order.

Fixes:

  • Accept that multi-column layout conversion is imperfect and manually reformat in Word
  • For text-only content, copy-paste column by column from the PDF viewer
  • Request the original DOCX from the source if possible

Problem 5: Conversion Fails with an Error

Symptom: The converter returns an error, a blank file, or a file that will not open.

Common causes and fixes:

| Cause | How to identify | Fix | |---|---|---| | Password protected | PDF asks for password when opened | Use Unlock PDF first | | Permissions restricted | Cannot copy text in viewer | Remove permissions with Unlock PDF | | File is corrupted | PDF appears blank in viewer | Re-open in browser and Save As to re-build | | PDF is actually an image scan | Cannot select any text | Use an OCR tool | | File is too large | Conversion times out | Compress the PDF first |

Problem 6: Converted File Has Formatting Differences

Symptom: Fonts, spacing, margins, or headings look different in the converted Word file.

Cause: This is normal. Exact formatting fidelity between PDF and DOCX is difficult because they use different layout models. PDFs fix positions absolutely; Word uses flowing content.

Expectation setting: A converted DOCX is a starting point for editing, not a perfect replica. Budget time for formatting review and cleanup after conversion.

Related guides: How to Convert PDF to Word · PDF vs DOCX: What's the Difference?