Tips for OCR Better Scans

Introduction

If you have ever scanned the document and found out that the optical character recognition software could not recognize half of the text you are not the one. I have had this problem a lot of times.  At first I thought the problem was with the OCR tool.  After many years of scanning many documents, I found that the quality of the scan is much more important than the optical character recognition software itself. The OCR software is helpful, but it is only as good as the scan it is working with and that is the OCR software's biggest limitation.

In this guide I will share the techniques I use to get OCR results. I will tell you why they are important, how they help with text recognition and what mistakes to avoid when scanning. My aim is to help you save time doing editing and get clean and accurate text from every document you scan. These tips will help you improve your OCR results. Getting text is crucial for any scanned document. I personally follow these techniques to ensure I get the results. They have helped me save time  and reduce editing. I hope they will do the same for you. 

What Is OCR and Why Does Scan Quality Matter?

When I think about OCR I realize it is a useful technology. OCR is what OCR stands for. It helps turn printed or handwritten text from images and scanned documents into the text I can edit and search. If I scan a paper document the scanner just takes a picture of it. The scanner only gives me an image. Without OCR I would not be able to search for words, copy the text or edit the text, inside the image. OCR looks at each letter, each number and each symbol. Then it figures out what characters they are. After the optical character recognition turns them into text. I can edit this text using a word processor or some other software. 
youtu.be

The thing about optical character recognition is that it is only as good as the picture it gets. If the picture is blurry. The paper is tilted or if the room is not well lit or if there are a lot of shadows the software can get confused with letters and numbers that look similar. For instance it might think the number 0 is the letter O or that the number 8 is the letter B. These little mistakes can add up fast especially when you are dealing with OCR and long documents. That is why I always take an extra time to get my document ready before I scan it . If the scan is good quality OCR has a better chance of getting every word right which saves me from having to fix a lot of mistakes by hand later on when I am using OCR.  youtu.be

 

Why I Always Focus on Better OCR Scans 

Over time I have realized that spending a few minutes making good scans saves me a lot of time when I am editing. Here are some big reasons why I always make sure my scans are good. 
It helps me avoid problems.
A good scan makes editing easier.
I do not have to waste time fixing mistakes.

youtu.be

I Spend Less Time Correcting Errors

When the OCR gets the text right I do not have to fix lots of spelling errors, missing words or wrong characters myself. That helps me get my work done quicker.

I Get More Professional Results

Whether I am scanning contracts, invoices, certificates or business reports, accurate OCR makes sure that the final documents look clean and professional. I do not have to worry about mistakes in formatting that can be embarrassing or text that is incorrect.

The OCR helps me to get the text right. The document looks good and the accurate OCR is really helpful in making my documents look neat. I can rely on it to scan my papers accurately. It helps to prevent errors in my documents. youtu.be

Searchable Documents Save Time

I really like that OCR or OCR for short lets me look for words in a document. This is one of my things about OCR. I do not  have to scroll through lots of pages to find what I want. With optical character recognition I can just type in a word and OCR will show me where it is away.

Easier Editing

When the optical character recognition or OCR changes the document into text that I can edit I can make updates to the information, copy parts of the document or change the way the content looks without having to type the things all over again. The OCR really helps me with this. I can use the OCR to update the document . 

Better Digital Organization 

I often keep documents digitally. When the OCR works correctly I can organize my documents search, for my documents and find my documents more easily making my digital storage system for my documents really useful. 

Common Problems That Reduce OCR Accuracy

I used to have a lot of problems with OCR accuracy before I learned how to improve my scans. Most errors happened because of scan quality, not the OCR software.  youtu.be

 Blurry Images

Blur is  a problem for OCR, even a little camera movement can make letters look fuzzy. That's hard for the software to read accurately. I try to take pictures .

Low Resolution

When I scan a document at a resolution the text gets blurry. Small fonts are hard to see. That causes recognition errors. I always scan at a resolution. 

Crooked Documents

If I scan a page at an angle OCR gets confused about where each line starts and ends. I always straighten my documents before scanning. It is easy to do. Makes a big difference. youtu.be
Shadows and Uneven Lighting

When I use my phone to scam shadows from my hands or uneven lightning and block parts of the page. OCR might think those dark areas are text or miss characters. I try to scan in light.

Dirty Scanner Glass

Dirty scanner glass causes problems. Dust,  fingerprints and smudges show up as marks on the scanned image. I clean my scanner regularly to avoid mistakes.

Wrinkled or Folded Paper

Folds and creases mess up letters making them hard for OCR software to read. I flatten documents before scanning whenever I can. It helps a lot.

Tiny Fonts

Small text is hard to read because it has detail. I increase the resolution for documents, with small fonts. That helps OCR accuracy. 

My Top Tips for Better OCR Scans

I have been scanning pages for years now. I want to share with you what i do to get the results from my OCR scans. 

1. I Always Scan at 300 DPI or Higher

I found out that scanning at a resolution makes a big difference. For most of my documents i use 300 DPI. This works well for me because it gives me image quality without making the file too big.

Sometimes I need to scan documents with small text or old records that are hard to read. In these cases i use a resolution like 400 or 600 DPI. thai helps the OCR software recognize the text accurately.

2. I Make Sure the Document Is Completely Flat

If a page is curved or folded it can be hard for OCR software to read the text. So I always make sure to flatten out the page before I scan it. This helps the software recognize the text consistently.

3. I Use Bright, Even Lighting When Scanning with My Phone

When i use my phone to scan documents I try to avoid sunlight. It can create shadows and glare on the page. Instead I look for soft and even lighting. This helps me get a picture of the whole pages and improves the OCR results.

4. I Keep My Scanner Glass Clean

Before I scan documents I clean the scanner glass. I use the cloth to wipe away any dust or fingerprints. This helps prevent any marks from showing up in the scan and reduces errors.

5. I Avoid Cropping Important Text

When I put a document on the scanner I make sure not to cut off any words. If a letter is cut off it can confuse the OCR software. Lead to mistakes. My OCR scans are more accurate when I take the time to position the document correctly. 

 

How I Prepare Documents Before Scanning

Getting my documents ready is just as important as picking the software to recognize the text. Here is what I do before I scan my documents. 
youtu.be

1. I take out the staples and paper clips and sticky notes from the document.
2. I make sure the pages are not folded or wrinkled.
3. I clean the glass on the scanner or the lens on the camera.
4. I put the pages of a document with pages in the right order.
5. I make sure the page is straight and not crooked.
6. I check to see if i can see all of the text and that none of the edges are cut off .
7. I pick the resolution for scanning based on what kind of documents it is.

Documents take a few minutes to get ready and it makes a big difference . My scans are cleaner and the software can recognize the text much better. I always get results when I take the time to prepare my documents before scanning.

Best 10 OCR Websites I Recommend for Better Text Recognition

The good thing is that you do not need to buy software to get good text recognition results. Many online OCR websites have features that can save you time and make your work easier. Here are the top 10 OCR tools I recommend based on my experience. 

1. Adobe Acrobat OCR  adobe.

When I am working with business documents, Adobe is usually my choice. It is very good at recognizing text. Keeps the original layout, including headings, tables and images.

What i like 

1. Excellent text recognition.
2. Keeps the document format
3. Works with large PDF files.
4. Has editing tools
5. Works well every time

Best for : people who work with business documents and PDF files regularly.

2. ABBYY FineReader Online pdf.abbyy

When i need the possible text recognition I often choose ABBYY finereader. It works well with complex layouts, books, invoices  and documents with tables or many columns. 

What i like

1. Very good at recognizing text
2. Excellent at recognizing tablets
3. Works with languages
4. Keep the format
5. Produces professional grade output. 

Best for: research, businesses and advanced users.

3. Smallpdf OCR  smallpdf.com

When I need to convert documents, smallpdf is another tool  I use often, it has an easy to use interface making it fast and simple to convert documents.

What I Like

1. Easy to use interface
2. Works with cloud storage
3. Fast at converting documents
4. Easy to navigate
5. Produces results

Best For

People who are just starting out or do not use OCR tools often.

4. ILovePDF OCR  ilovepd

I have used iLovePDF for a time because it does more than just text recognition. It also has tools to merge, split, compress, rotate and organize PDF files.

What I Like

1. tools for working with PDF files

2. Good at recognizing text

3.  Can convert documents at once

4.  Easy to use interface

5. Works with cloud storage

Best For

Anyone who works with PDF files regularly.

5. OCR.Space ocr.space

OCR.Space is one of my free OCR tools because you do not need to create an account to use it. It also works with languages and has an API for developers.

What I Like

1. No need to create an account

2. Works with languages

3.  Has an API for developers

4.  Fast at recognizing text

5.  Free version available

Best For

Developers and people who work with documents in languages.

6. Google Drive OCR cloud.google.com

Many people do not know that Google Drive has a built-in OCR feature. When my files are already in Google Drive I just open them with Google Docs. The text is automatically extracted.

What I Like

1. online

2.  Easy to use with Google Docs

3.  No need to install anything

4.  Convenient to use

5.  Good for text recognition tasks

Best For

Students and people who use computers for everyday tasks.

7. Onlineocrv onlineocr
When I only need to convert scanned pages, OnlineOCR.net is a good option. The website is straightforward. Works with many popular file types.

What I Like

1. No need to install software

2. Easy to use interface

3. Works with PDF files and images

4. At converting documents

5.  Good for occasional use

Best For

Quick text recognition jobs.

8. Soda PDF OCR www.sodapdf.com

Soda PDF combines text recognition with document editing tools allowing me to edit scanned PDF files immediately after conversion without switching to another application.

What I Like

1. Text recognition and editing tools

2. interface

3. Secure cloud storage

4. Keeps the original format

5. Many export options

Best For

Office workers and professionals.

9. PDF24 Tools OCR : tools.pdf24.org

PDF24 offers a collection of PDF tools, including text recognition. I like having tools, such as text recognition, PDF compression, merging, splitting and conversion all in one place.

What I Like

1. Free to use

2. Many PDF tools

3. Easy to use interface

4.  Reliable text recognition

5. No complicated setup

Best For

People looking for a tool that can do things with PDF files.

10. Nanonets OCR nanonets
Nanonets is a text recognition tool powered by intelligence designed to extract data from invoices, receipts, forms and business documents. When automation is important I find it to be a choice.

What I Like

1. Powered by intelligence

2. High accuracy

3. Automates workflows

4. Works with business documents

5. Easy to integrate

Best For

Businesses and automated document processing.

How I Choose the Right OCR Website

If I am working with contracts, financial documents or reports I prefer platforms with high recognition accuracy even if they cost money. Spending an extra often saves me hours of correcting mistakes later.

When I am working with scanned documents I also look for features like converting many documents at once, cloud integration, support for many languages and the ability to keep the original format.

Then choosing a tool based on how popular it is I recommend thinking about your own workflow. The best OCR website is the one that fits your needs and produces accurate results.

OCR Website Comparison Table

I have tried a lot of OCR tools over the years. I think that no OCR tool is perfect for every person. Some OCR tools are good for people who are just starting out. Other OCR tools are better, for professionals who need a lot of features and accurate results.

To help you make a choice i made a comparison table with the things i look for when i choose an OCR tool. 

 

Which OCR Website Do I Recommend?

When it comes to choosing an optical character recognition website people often ask me for a recommendation. I think the best optical character recognition website is not just one. It really depends on what you want to do with OCR . So here is how I picked the OCR tool. 

If You're a Beginner

You might want something. In that case I think smallpdf or google drive optical character recognition are choices. They are easy to use. You do not need to know a lot about technology.

If You Need the Highest OCR Accuracy

I usually choose ABBYY FineReader or Adobe Acrobat Optical Character Recognition. These Optical Character Recognition tools work well with things like professional documents and books.

If you do not want to pay for Optical Character Recognition

I usually pick PDF24 Tools or OCR.Space or OnlineOCR.net. These websites have good Optical Character Recognition features and you can use them for free.

If you work with Portable Document Format files all the time

I think iLovePDF or Soda PDF are choices. They have a lot of tools for managing Portable Document Format files, including Optical Character Recognition.

If you need to automate tasks with Optical Character Recognition

Nanonets Optical Character Recognition is a good option. It uses Artificial Intelligence to make it easier to get data from things, like invoices and receipts.

Advanced Tips I Use for Better OCR Scans

After working with OCR for years I have learned some tips that make a big difference. These tips help improve recognition accuracy.

 

I Always Use High-Quality Originals

Whenever I can I scan the printed document. Each additional photocopy reduces image quality making OCR less accurate. I use the document for better results.

 I Prefer Black Text on White Paper

OCR software works best with contrast between text and background. Documents with text on clean white pages are recognized much more accurately. Black text on paper helps.

I Remove Background Noise

If I scan documents with backgrounds, watermarks or colored patterns I try to remove them. Cleaner images make character recognition easier. I remove background noise for OCR.

I Keep the Document Straight

A slight tilt can affect OCR performance. I carefully align the document so the text runs horizontally across the page. A straight document helps OCR.

 I Avoid Shadows

When using my smartphone as a scanner I make sure my hands or phone don't cast shadows. Even small shadows can interfere with OCR accuracy. I check for shadows before scanning.

 I Check Every Page Before Saving

Before completing the scan I quickly review each page. If one page appears blurry or cropped I rescan it immediately. I check every page to ensure quality.

Common OCR Mistakes I Always Avoid

I have made a lot of mistakes when I scan documents.. I have learned from these mistakes. Here are the mistakes I avoid now.

Scanning at Low Resolution

If I use a DPI setting the file will be smaller but the text will not be clear. I usually do not scan documents at than 300 DPI.

Ignoring Dirty Scanner Glass

If the scanner glass is dirty it can put spots and lines on the image. I clean the scanner glass every now and then. It only takes a minute. It makes the scan look a lot better.

Cropping Words

I always make sure the whole document is visible. If I crop a few letters the OCR software can get confused and make mistakes.

Using Poor Lighting

When I scan documents with my phone I do not do it in a room or with bad lighting. This is because shadows can make the OCR software not work well.

Choosing the Wrong File Format

For things I do with OCR I like to use PDF or PNG or high quality JPG files. If the image is very compressed the OCR software does not work well.

Skipping Proofreading

The best OCR software is not perfect. So after I convert a document I always read it to fix any mistakes the software made. I do this before I share the document or save it. I always check the OCR results because I want to make sure the document is correct. I use OCR software a lot. I want to get the best results from it.

Frequently Asked Questions About OCR and Better Scans 

1. What is OCR?

Optical Character Recognition is a technology that converts text from scanned documents, images or PDFs into text that I can edit and search. I use Optical Character Recognition whenever I want to copy, edit or search text from a scanned document by typing everything manually.

2. What scan resolution should I use for OCR?

I think 300 DPI is the resolution for most documents. It makes the text clear. The file size is not too big.

If I am working with books or documents that are faded I usually increase the resolution to 400–600 DPI so Optical Character Recognition can recognize the text better.

3. Does OCR work with handwritten documents?

Yes it does,. It depends on how neat the handwriting is. I have found that if the handwriting is neat and clear Optical Character Recognition works better than if the handwriting is messy.

Even the best Optical Character Recognition software can have trouble with handwriting that's hard to read

4. Can I use my smartphone for OCR scanning?

Yes I can. I often use my phone when I do not have a scanner.

The key is to put the document on a surface and use good lighting. I also have to keep the camera steady and make sure the page fills the frame without cutting off any text

5. Which file format is best for OCR?

I usually work with PDF, PNG or high-quality JPG files. These formats have detail for Optical Character Recognition software to recognize the characters accurately.

I try to avoid images that're heavily compressed because they can reduce the quality of Optical Character Recognition.

6. Why does OCR sometimes make mistakes?

In my experience Optical Character Recognition errors are usually caused by scan quality rather, than the software itself.

If the image is blurry or the resolution is low or if there are shadows or the page is tilted or if the ink is faded or the paper is damaged all these things can reduce the accuracy of Optical Character Recognition.

7. Is online OCR safe to use?

Reputable Optical Character Recognition services use secure connections and delete the files after they are done processing them.

However if I am working with documents or personal information I prefer to use services I trust or offline Optical Character Recognition software so I can keep my information private.

8. Can OCR recognize multiple languages?

Yes it can. Many modern Optical Character Recognition platforms support languages.

Before I convert a document I always check if the software supports the language used in the document so I can get the results

9. Can OCR preserve the original formatting?

Some Optical Character Recognition tools can preserve headings, tables, columns, images and page layouts very well.

I have found that premium Optical Character Recognition software usually does a better job of keeping the formatting than basic free tools.

10. Do I always need expensive OCR software?

No I do not. For documents free Optical Character Recognition tools often work very well. If I only need to convert documents occasionally I can usually get good results without paying for premium software.

For more questions visit our FAQ page : oncepdf.com/faq

Conclusion:

Thank you for reading. I hope these tips help you get better Optical Character Recognition results in every project you work on with Optical Character Recognition.