How PDF & Document Parsers Actually Work Under the Hood

<p><em>All tests run on an 8-year-old MacBook Air.</em></p> <p>I've spent months building a PDF tool. PDF is the most infuriating file format I've ever worked with.</p> <p>Not

<p>The table is right there on screen. Clean columns, clear headers, four years of financial data. You try to copy it into Excel and get a single-column mess of numbers with no

<p>If you've built any pipeline that ingests PDFs, you already know the demo is misleading.</p> <p>You test on ten clean, well-formatted invoices. Extraction works perfectly. You

<p>If you have ever copy-pasted a table out of a PDF, you already know what happens. Rows collapse into one long line of text. Columns interleave. Numbers land in the wrong cell,