Pasting a table straight out of a PDF into Excel or Google Sheets almost always produces a wall of text where every cell's contents get crammed into a single spreadsheet cell, or worse, rows get split apart or merged in the wrong places. The reason is structural: a PDF table is visual, not semantic. It has no internal record of "this is row 3, column 2", it just has text characters positioned at specific coordinates that happen to line up in a grid pattern when rendered.
Why naive copy-paste fails
When you copy text from a PDF, most viewers extract it in the underlying stream order, which frequently doesn't match the visual grid order a human sees. A table might be stored with all of column one's text first, then all of column two's, rather than row by row, so a straight paste interleaves data incorrectly. Tables with merged cells, multi-line cell content, or inconsistent spacing between columns make this worse, since there's no reliable delimiter (like a comma or tab) separating one cell's content from the next in the raw extracted text.
What a dedicated extraction tool does differently
The PDF Table Extractor analyzes the visual position of text on the page, the alignment, spacing, and any gridlines, to reconstruct which pieces of text actually belong in the same row and column, then outputs that as genuinely structured data rather than a stream of loose text. This is a fundamentally different (and much more reliable) approach than a general PDF-to-Word or copy-paste extraction, because it's specifically solving the row/column reconstruction problem rather than treating the table as ordinary paragraph text.
For tables that came from a scanned document rather than a digitally created PDF, running OCR PDF first is a necessary step, since there's no text layer to extract from at all until OCR creates one, extraction tools can only work with text that's actually present in the file, not pixels that happen to look like text.
When to convert to Excel instead
If the goal is specifically to keep working in a spreadsheet with the whole document's tables intact, PDF to Excel targets that use case directly, converting table-heavy pages into a workbook rather than extracting a single table in isolation. It's the better choice when a PDF report contains many tables across multiple pages that all need to end up in Excel, while single-table extraction is faster when only one specific table is needed.