PDFNinja

PDF to Excel

Operator-list parsing · Border detection · Merged cells · Font styles · Form fields

No rasterizationBorder-firstMerged cellsCell coloursCMYK/RGBBold & italicForm fieldsAuto typesFreeze + filter

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Tables
Merged cells
Form fields
7-stage extraction pipeline
01Operator List Parsing

Every path op, colour change (RGB/CMYK/gray) and CTM matrix transform is traced — no rasterization needed.

02Border-first Detection

H and V line segments are extracted, tolerance-clustered into a grid, and intersected to find cell bounding boxes precisely.

03Merged Cell Detection

Each expected interior border segment is checked for existence. Missing ones produce XLSX !merges entries automatically.

04Cell Background Colours

Filled rectangles whose bounds match a cell are mapped to Excel cell fills, preserving colour coding from the original PDF.

05Coordinate Fallback

For borderless tables, items are row-clustered by Y-tolerance then column-histogramed by X — robust to ragged alignments.

06Data Type Inference

Every cell is tested for boolean, date (8 patterns), percentage, currency (₹$€£¥…), number with format, or plain string.

07Form Field Extraction

AcroForm widgets (Tx, Btn, Ch) are read from page annotations and exported to a dedicated Form Fields sheet with labels.

Real Table Structure

Text positions are clustered into rows and columns — you get editable cells, not one giant image.

100% Private

Parsing runs in your browser. Your PDF never leaves your device.

Auto Type Inference

Numbers, percentages and integers are converted to real Excel number cells with formats.

Frequently Asked Questions

Does it work on scanned PDFs?

No — scanned PDFs are images with no text layer. This tool works on digital PDFs. For scans, run our OCR tool first.

How are merged cells detected?

We build the grid from horizontal and vertical border segments, then for each cell we check whether the expected interior borders actually exist. Missing borders produce native XLSX merges.

Which currencies are recognised?

₹ ₽ ¥ ₩ ₪ $ € £ — cells matching these are exported as real currency-formatted numbers with the correct symbol.

What about form fields?

AcroForm widgets — text fields (Tx), buttons (Btn) and choice fields (Ch) — are extracted from the page annotations into a dedicated Form Fields worksheet.

Is my PDF uploaded anywhere?

Never. All parsing runs in JavaScript inside your browser.

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