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Mofumi PDF

Two-Column Reflower

Split two-column pages into single columns for easy reading on phones and e-readers.

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About this tool

Two-Column Reflower makes academic papers and newsletters readable on small screens. Each two-column page is duplicated and cropped, so the left column becomes one page and the right column the next — in natural reading order.

Adjust where the split falls if the columns are uneven, add a gutter to trim the gap between them, and choose right-to-left order for documents that read that way. Only the pages you select are split; others are kept as they are.

Nothing is rasterised: text stays sharp, selectable and searchable. The tool works on the page layout, so it doesn't reflow text inside columns.

Engines: pdf-lib

How to use

  1. 1

    Open a two-column PDF.

  2. 2

    Adjust the split position and gutter if needed.

  3. 3

    Click “Split columns” and download.

Use cases

  • Read papers on a phone

    No more pinching and panning across columns.

  • E-readers

    Columns fit Kindle and Kobo screens far better than full pages.

  • Newsletters

    Turn a two-column newsletter into a scroll-friendly document.

Frequently asked questions

My columns aren't equal.

Move the split position (e.g. 55%) until it falls in the gap.

What about headers that span both columns?

They are split too. Crop or skip those pages with the page range.

Is text still searchable?

Yes, the original text is kept.

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