parsebench

Parser profile

unpdf

A JavaScript text extractor that provides a plain-text baseline for PDF workflows.

Measure whether simple extraction is sufficient for documents with straightforward text.

What this adapter measures

Text output does not promise Markdown tables. Missing pipe tables is not an extractor malfunction.

Output: text · OCR: none · Licence: MIT

Upstream project

Measured fixture results

How these checks work

Captured 2026-09-12 · darwin/arm64 · Node v22.21.1. Median of up to three sequential local samples. Timings will vary on other machines.

Measured parser results on synthetic fixtures
Fixture / parserStatusMedianAligned cellsReading order
unpdftext-layer.pdfok2.0 msNot scoredNot scored
unpdftables.pdfok1.0 ms0/9 (0%)Not scored
unpdfragged-table.pdfok1.0 ms0/20 (0%)Not scored
unpdfmulti-column.pdfok1.0 msNot scoredChanged · 40/40 lines
unpdf · text-layer.pdf · raw output

Samples: 2.0 ms, 2.0 ms, 1.0 ms

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Quarterly Report
Revenue grew 12% year over year.
unpdf · tables.pdf · raw output

Samples: 2.0 ms, 1.0 ms, 1.0 ms

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Financial Summary
Region Q1 Q2 Q3
North 120 145 160
South 98 102 115
East 210 198 225
unpdf · ragged-table.pdf · raw output

Samples: 2.0 ms, 1.0 ms, 1.0 ms

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Q3 Results by Region
Region Manager Q1 Q2 Q3 Notes
North Alice Chen 120 145 160 strong
South 98 102 115
East Bob Lee 210 198 225 recovering
West Dana 88 99 pending
unpdf · multi-column.pdf · raw output

Samples: 1.0 ms, 2.0 ms, 1.0 ms

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On Reading Order
Left column line 1. Right column line 1.
Left column line 2. Right column line 2.
Left column line 3. Right column line 3.
Left column line 4. Right column line 4.
Left column line 5. Right column line 5.
Left column line 6. Right column line 6.
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Left column line 20. Right column line 20.

Compare with another parser