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How to Straighten a Scanned PDF? (Simple Ways)

It's often important to know how to straighten a scanned PDF for many different reasons. If you scan a PDF and it is crooked, then the text can be difficult to read on your computer or phone. Straightening a PDF makes sure that the content of the PDF is accurately represented. Straightened scanned PDFs are also more professional looking, easier to navigate for the reader, easier to edit and annotate, and provide a better user experience.

In this article, we will discuss three different methods to straighten a scanned PDF so the next time you have this problem you will know how to fix it quickly and easily.

Part 1. How to Straighten Scanned PDF With UPDF

Our most recommended method of straightening a scanned PDF is to use UPDF. With UPDF, You can easily straighten a scanned PDF with the OCR and edit PDF files in UPDF.  first, you can use OCR to make a scanned PDF editable. then, you can use all of UPDF's editing features to make any necessary corrections to your PDF, including removing the background to straighten the PDF.

UPDF Also has many other features to help you edit, annotate, and customize your PDFs, including powerful AI features to help you explain, summarize, translate, and generate content for your PDFs.

You can watch the below video to learn more about UPDF or click the below button to download UPDF and test it.

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Follow the steps below to straighten a scanned PDF with UPDF.

Step 1 - Open PDF and Perform OCR

Open your scanned PDF in UPDF  by dragging and dropping it into the "Open File" box.  then, from the tools on the right side, select "Recognize Text using OCR". Adjust the settings to your preferences, and click the "Perform OCR" button. Choose a location to save your OCRed scanned PDF, and click "Save". It may take a couple of minutes to perform OCR on your scanned PDF.

Straighten a Scanned PDF Straighten a Scanned PDF with UPDF by performing OCR

Step 2 - Remove Background

After performing OCR,  your PDF will automatically open in a new window. from the tools on the left side select "Edit PDF". After performing OCR, the background of your PDF is now an image, and you can click on it directly and delete the background image.

Straighten a Scanned PDF delete background image to Straighten a Scanned PDF with UPDF

Step 3 - Save the Straightened Scanned PDF

You can now make any adjustments to your scanned PDF, including editing the text, adding images, or annotating the PDF such as highlighting or underlining text, adding sticky notes, or using AI tools to explain information or generate content for your PDF. when you are done with your PDF you can choose "Save as Other"  from the tools on the right side and save your PDF.

Straighten a Scanned PDF Straighten a Scanned PDF with UPDF successfully

UPDF's OCR is a paid feature that is unavailable on the free version of UPDF.  However, UPDF  has a very affordable cost per license, and you can use one license across all of your devices. so you pay an affordable license cost, and then you can edit and access your PDFs from anywhere, at any time.

Click the button below download UPDF and purchase it now at a big discount so you can start straightening your scanned PDFs today.

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Part 2. How to Straighten a Scanned PDF in Adobe?

You can also use Adobe Acrobat to straighten a scanned PDF. While Adobe Acrobat is a very popular PDF editing tool, we do not recommend using this method to straighten a scanned PDF unless you already have a license for Adobe Acrobat because it can be a very expensive tool and there are more affordable options to help you straighten a scanned PDF.

Follow the steps below to straighten a scanned PDF in Adobe Acrobat.

Step 1 - Open PDF in Adobe Acrobat

Open Adobe Acrobat and either select the scanned PDF that you want to straighten, or upload the scanned PDF. From the tools on the left side of Adobe Acrobat, select "Scan & OCR".

Straighten a Scanned PDF straighten scanned PDF with adobe acrobat

Step 2 - Perform OCR

After you have opened the OCR tool, underneath "Recognize Text",  you will select "In this file".  from the pop-up window, you can select the language of your document. Then, click on the "Recognize text"  button.

Straighten a Scanned PDF select language to straighten scanned PDF with adobe acrobat

Step 3 - Save Document

After performing OCR, your scanned document will automatically be straightened. From here you can make any changes or edits that you need to the PDF. When you are done, select the save icon in the top right corner to save your PDF.

Straighten a Scanned PDF save straightened PDF with Adobe Acrobat

Part 3. How to Straighten a PDF Scan With UPDF and Fotor?

If you do not want to delete the background of the scanned PDF in order to straighten it, then you can use UPDF to convert your scanned PDFs to images. Start by using the online Fotor Straighten tool to rotate or straighten your scanned images. Then, you can use UPDF to convert the images into one PDF document. Follow the steps below for this method of straightening a scanned PDF.

Click the button below to download UPDF and start your free trial today.

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Step 1. Convert Scanned PDFs to Images

Open the scanned PDF with UPDF, then, click on the "Export PDF" > "Image" and select the formats you like, click on the "Export" to save the converted images.

Straighten a Scanned PDF convert scanned PDF to images with UPDF

Step 2 - Open Scanned Images

Navigate to the Fotor Straighten tool online. Click the "Open Image" Button and select the images that you want to straighten.

Straighten a Scanned PDF open fotor straighten tool online

Step 3 - Straighten Images

Once your scanned images have opened, from the left side you can use the straighten slider to adjust your scanned image. When you are happy with how straight the scanned image is, click the "Download" button from the top of the interface. You may need to create a free account to download your image.

Straighten a Scanned PDF straighten images

Step 4 - Upload to UPDF

You can now upload your scanned image to UPDF, which will automatically convert it to a PDF document. Simply drag and drop your straightened scanned image file into the "Open File" box on the UPDF interface. Now, you can choose to merge the images into one PDF or not. Once done, the PDF will open in the UPDF automatically. You can click on the "Save" to save the PDF on your computer.

Straighten a Scanned PDF open file

Part 4. FAQS About How to Straighten a Scanned PDF

Q1.How to Straighten a Scanned PDF Online Free?

If you want to straighten a scanned PDF online for free, you can use 12PDF. However, we do not recommend using this online tool, because even though it is free, many users have reported receiving errors when they try to upload and straighten their PDF for free. With 12PDF it can be difficult to get the exact results you need, plus this website contains many ads which can be annoying to users.

Q2. Which Tool is Better to Straighten a Scanned PDF?

Our best recommendation for straightening a scanned PDF is to use UPDF. We recommend UPDF not only because it has many tools to help you annotate, customize, and generate content for your PDFs, but also because it is an easy to use UPDF to straighten your scanned PDF, so you can choose the method of straightening a scanned PDF that works best for you.

Final Thoughts

Once you figure out the best method to straighten a scanned PDF, you can see that it is very easy to do this. The best way to straighten a scanned PDF is to use UPDF to perform OCR and remove the background of the PDF. After that, you can use UPDF to edit and customize your PDF to fit your needs.

You can also use Adobe Acrobat to perform OCR and straighten a scanned document, although this method is only recommended if you already have an Adobe Acrobat license. You can also use Fotor to straighten a scanned image, and then upload the scanned image to UPDF to automatically convert it into a PDF.

Now that you know a few simple and easy ways to straighten a scanned PDF, make sure to click the button below to download UPDF, and start your free trial today so you can customize all of your scanned PDFs!

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