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PaperZero

PDF to Excel

Find table-shaped text geometry in a PDF, preview every candidate with an explainable confidence score, and export only approved high-confidence tables. Each selection becomes an editable Excel worksheet; numeric-looking values stay visible for review instead of being silently reinterpreted.

  • Processed locally in your browser
  • No watermark
  • No sign-up
  • Works offline

Table extraction, not arbitrary page conversion: only recurring aligned rows and columns receive a confidence score. Low-confidence prose is not forced into spreadsheet cells.

Choose a PDF containing tables

One PDF · detection and XLSX generation stay local

Output compatibility

detected tables

PDF structure is reconstructed heuristically; this report states the selected fidelity trade-off.

Preserved

  • selected table cells
  • separate worksheet per table
  • text values
  • header-row emphasis

Approximated

  • row grouping
  • column boundaries
  • wrapped-cell merging
  • header inference

Omitted

  • low-confidence prose
  • source formulas
  • cell types
  • images
  • charts
  • PDF JavaScript

How it works

  1. 1Open a PDF, select pages, and optionally enable OCR for scans.
  2. 2Local layout analysis scores repeated rows using column alignment, consistency, header emphasis, density, and numeric signals.
  3. 3Preview candidates and select only tables meeting the export threshold.
  4. 4Download a validated XLSX with one worksheet per selected table.

Your privacy

This tool runs entirely inside your browser using JavaScript and Web Workers. Your document is never uploaded to any server — you can even disconnect from the internet and keep working once the page has loaded.

Frequently asked questions

▸Why can’t I select a low-confidence table?

PaperZero requires at least 68% confidence to avoid quietly turning parallel prose or irregular layouts into misleading spreadsheet cells.

▸Are numbers recalculated?

No. Values are exported as displayed strings so leading zeros, separators, signs, and currency marks remain available for human verification.

▸Does it extract every page into a sheet?

No. This tool exports detected tables only. Use Extract Text or PDF to Word for narrative content.

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