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PDF to Markdown converter

Drop a PDF below and get clean Markdown, with the token count and what it costs to send. It is converted in your browser — the file never leaves your device.

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What a PDF actually stores

A PDF is not a document in the way a Word file is. It is a set of glyphs with coordinates — instructions for where to put ink on a page. Nowhere in the file does it say "this line is a heading"; that is something a human infers from the fact that the text is bigger.

PDF is the format documents arrive in — reports, papers, contracts, statements — and the format models handle worst when pasted raw, because copying from a PDF viewer often produces exactly the jammed and reordered text described above.

What survives the conversion

Paragraph text comes through reliably. Headings are inferred from font size relative to the body text of your document, expressed as ratios rather than fixed point sizes, so the same logic works on a 9pt contract and a 14pt report. Word spacing is reconstructed from the horizontal gaps between glyph runs, because a PDF does not store the space between two words as a character at all — it stores it as distance.

What does not

A scanned PDF contains no text whatsoever. It is a photograph of a document, and there is nothing to extract without OCR, which this tool deliberately does not attempt — it will tell you plainly rather than hand back an empty box. Multi-column layouts can interleave, because a PDF records the order glyphs were drawn rather than the order a person reads them; that case is detected and flagged. Tables usually lose their grid, since a PDF table is lines drawn near text rather than a table structure.

Saying so plainly is deliberate. A converter that quietly drops half a document is worse than one that tells you which half, because you can work around a limit you know about.

Questions

Why does my PDF convert badly?

Almost always one of three things: it is a scan with no text layer, it has a multi-column layout, or it is heavily designed so font size does not track importance. The converter flags the first two. A PDF exported from Word or LaTeX converts far better than one exported from a design tool.

Can it read scanned PDFs?

No, and nothing here can. A scan is an image; recovering text from it needs OCR, which is a different and much heavier technology with its own error rate. Saying so is more useful than returning an empty result and letting you wonder.

Is my PDF uploaded anywhere?

No. The parsing happens inside your browser using Mozilla pdf.js, served from this domain rather than a CDN. The file never leaves your device, which matters because PDFs are usually the contracts and statements people least want to post to a stranger.

Converting a different format

The same engine handles eighteen formats in total, all of them in your browser.

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