How to convert an image of a table to Excel

What makes an image of a table convert cleanly, and what to check afterwards.

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Converting a picture of a table into a spreadsheet is two problems, not one. The first is reading the characters — that is OCR, and it is the part most tools talk about. The second is working out which characters belong in which column, and that is the part that decides whether you get a spreadsheet or a single column of run-together text. Columns are inferred from the vertical bands of whitespace running down the image, the same cue a human reader uses. This is why a table separated only by spacing converts as well as one with ruled lines, and why a table photographed at an angle converts badly: tilt the page and those vertical bands stop being vertical. Almost everything that goes wrong is decided before you upload. The rest of this page is about that.

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How to how to convert an image of a table to Excel

  1. 1Get the whole table in frame, square on. A phone held parallel to the page beats a better camera held at an angle.
  2. 2Light it evenly. A shadow across the middle of a table costs you a column more often than low resolution does.
  3. 3Upload the JPG, PNG or HEIC, or several images if the table runs over more than one page.
  4. 4Open the .xlsx and check the totals against the original before you use the numbers anywhere.

Questions people ask

What resolution do I actually need?

Enough that you can read the smallest digits yourself when you zoom in. There is no fixed pixel count that helps — a tightly cropped photo of a small table at 1000px wide reads better than a distant shot of the same table at 4000px.

Why did my table come out as one column?

Usually because the image is skewed. Column detection looks for vertical whitespace, and on a tilted photo those gaps slant and stop separating anything. Re-shoot square on, or crop and straighten first.

Will it change my numbers?

Numbers come through as numbers so you can total them, with the decimals the source showed. Values that are identifiers rather than quantities — an account number with a leading zero, a reference code — stay as text specifically so they are not reformatted.

How do I know it read everything correctly?

Total a column in Excel and compare it with the total printed on the original. That one check catches most OCR errors immediately, because a misread digit almost never leaves the sum intact.

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