How do I make sure my scanned invoice text is recognized accurately?

Scan your invoice at 300 dpi for the best OCR accuracy. Ensure the text on the invoice is clear and not blurry. Select the correct language in Acrobat before starting the text recognition process.

Make Invoices Searchable in Adobe Acrobat — How-to & AI prompts

AI prompts

2 ways to ask · copy any one

AExecute — “help me do it”Scan the paper sales [invoices] for [month=May] into searchable PDFs, run OCR so invoice…+

Scan the paper sales [invoices] for [month=May] into searchable PDFs, run OCR so invoice numbers and amounts are searchable, and save them as [output=May_Invoices_Searchable.pdf] for sampling tasks.

when the reply comes backPush once: ask it to sharpen the weakest part, and to say what it assumed.

BImprove — “do it better”Before I start sampling, make retrieval reliable — ensure OCR language is [language=English],…+

Before I start sampling, make retrieval reliable — ensure OCR language is [language=English], fix skewed pages, run text recognition across the whole file so invoice numbers and totals are searchable, and create bookmarks by invoice number for quick access.

when the reply comes backPush once: ask it to sharpen the weakest part, and to say what it assumed.

How to do it

the tool · the steps · what to avoid

1
Open the scanned PDF file in Adobe Acrobat.
2
Go to the Tools menu.
3
Select Scan & OCR from the tools list.
4
Click Recognize Text and choose In This File.
5
In the settings panel, ensure PDF Output Style is set to Searchable Image.
6
Click Recognize to start the OCR process.
7
Save the PDF after OCR is complete.
Best practiceFor best OCR accuracy, scan your documents at 300 dpi and ensure the images are clear before running OCR.

In the appWith the API

After OCR completes, you can search, copy, and highlight text in your previously scanned PDF.

This runs in the Acrobat app - there is no separate API for this task.

Glossary

words on this page

OCROCR stands for Optical Character Recognition. It is technology that turns images of text into real text you can search and copy.ExampleAfter scanning a paper invoice, OCR allows you to copy the vendor's name from the image.

Searchable LayerA hidden layer of text added to an image-based PDF, allowing you to search for words within the document.ExampleThe hidden searchable layer in the scanned contract allowed us to find specific clauses.

DPIDPI means dots per inch, and it tells you how clear an image is when it is scanned.ExampleA scanned photo saved at 300 DPI will usually contain more detail than the same photo at 72 DPI.

Who does this

3 roles

ArchivistResearch LibrarianRecords Manager

FAQ

about this task

Scan your invoice at 300 dpi for the best OCR accuracy.
Ensure the text on the invoice is clear and not blurry.
Select the correct language in Acrobat before starting the text recognition process.

A searchable text layer is an invisible layer of actual text placed over the image of your invoice. It matters because without it, your computer sees the invoice as just a picture, not as words. With this layer, you can use the search function to find specific numbers, names, or items on your invoice, making it much faster to manage and review your documents. It's essential for efficient record-keeping and data retrieval.

If your scanned invoice is blurry, Acrobat's text recognition (OCR) might struggle. The clarity of the original scan directly affects how well the text can be recognized. While Acrobat tries its best, very blurry text can lead to errors or missed words. It's always best to rescan the document at a higher quality, ideally 300 dpi, to improve accuracy.

Acrobat gives this message because the page you are trying to OCR already has real, selectable text on it. The 'Recognize Text' feature is designed only for pages that are images, like scanned documents, and do not yet have a searchable text layer. If your invoice already has renderable text, it means the text is already searchable, and you do not need to run OCR on it. You can simply use the search function.

Yes, you can automate this task for multiple invoices. Adobe offers a PDF Services API that includes an 'OCR PDF' operation. This allows developers to send many PDF documents to the service, and it will convert the image text in each PDF into a searchable layer. This is very useful for large-scale archiving and indexing of documents like invoices.

Make Invoices Searchable

When to use it

AI prompts

How to do it

Glossary

The real tasks

Who does this

FAQ

Sources

Adobe help

When it fails