Learn how to merge PDFs, including the benefits, best practices, and common mistakes to avoid when combining multiple PDFs into one.


, open the page with the merging tool, upload your files, arrange the documents and pages within it, and download the file.

Learning how to merge PDF files allows users to improve organization and save time by sending fewer attachments and using multiple files for the same purpose (e.g., school and work projects).

Merging PDF documents with online tools such as PDF.net is also beneficial for maintaining high document quality. Additionally, this software uses encryption to keep your original files and the final output secure.

Let’s learn how to merge PDFs into one document, the benefits of doing so, and tips for maximum efficiency.

 is quick and secure—upload your files, reorder them, rearrange pages, and download the merged document in seconds.

, helping you consolidate multiple documents into one neat file.

 by checking formatting, converting non-PDFs, reducing file size, and arranging pages properly.

 large file sizes, incompatible formats, and page order confusion

 can be avoided by preparing and double-checking your PDFs beforehand.

How to Merge PDF Files Using PDF.net Tool

, upload the documents, and reorder files and file pages.

#1. Open the PDF Tool and Upload Your Document

Firstly, visit our website and click the merge button in the header. Then, use the drag-and-drop PDF merge option to upload one file and later add more files. You can also select all your documents at once by clicking the 

Once you upload the files, you can change the merging document order. For instance, if you have two documents, you can 

select either file and move it to the left or right

, depending on its position. This means that you can choose which document will be first in your new merged file and which one will be its continuation.

The next step in our online PDF combiner is to 

 of your documents. After you have uploaded and ordered your PDF files, click on the 

 button in the top menu. Select pages with your cursor and use options to move, 

The final step is to download your document. To do so, simply click the 

. First, you can be more practical and combine multiple PDFs to send fewer files and avoid untidy emails and workspaces.

For instance, working as an HR professional in a company, you will probably be responsible for recruiting, onboarding, and training processes. You can put all the files you need to do your work efficiently together. You can do the same with employees’ documents, such as disclosure agreements and tax reports.

 is also great for school projects. For example, students may work on different parts of a single project and then have to combine their work once they finish. Using 

, they can easily create a single document ready to be presented.

In addition, combining files is good for solo projects. Let’s say you want to create a job portfolio that requires merging multiple documents. Even if these documents come in 

To enhance your efficiency and spend less time on your projects and other job or school activities, you can consider tips for tweaking your documents before and after the merging process.

To optimize files before merging, pay close attention to their 

. Otherwise, your files or documents may be too large and cause issues in the merging process.

 before starting this process. Failure to do so could cause the entire processing to malfunction and leave you without merged files. Finally, after converting your documents to PDF, you need to check their formatting to ensure they are ready to use.

Before you start merging PDFs, we advise you to 

. Knowing which document comes first and which one comes next is important for the coherence and cohesion of your file.

You should also determine and set the page order in every document in your group. The same goes for rotating pages and deleting unnecessary ones.

It is very important to use a reliable and secure 

 to get the best results. While using a free PDF merge tool may be economical, this process may also be unsecured.

Learning how to combine PDFs for free is a good skill because using other software that may charge for the services involves similar procedures. The main difference is that you can 

 and formatting when using high-end tools. Another notable benefit of using such tools is that you get to keep your file data safe.

Needless to say, you should check the tools you have and use the ones suitable for your devices. For instance, you may know how to merge PDFs on Mac, but this may not be the best PDF tool for merging PDFs on your Android phone.

double-checking your documents for errors

. This will ensure that you do not miss any important documents that you should merge. Plus, double-checking your PDFs will help you preserve their quality and formatting, as well as organize and arrange the content.

Disregarding technical pre-merging aspects, such as file size and compatibility, and organizational elements, like page order, may cause merging tools to malfunction.

#1. Large File Sizes Causing Slow Processing

If you do not check the file size, it may slow down the upload process and the merging process later on. Moreover, the merging process, including overly-sized documents, 

Moreover, certain tools to merge and edit PDFs have the maximum document size (around 100MB per file). Exceeding these limits may prevent you from uploading or merging files.

You may wish to merge documents with different formats, which is possible, but only if you make all of them compatible. For example, combining a PDF file with an 

 before merging while ensuring their quality and formatting remain intact.

To achieve a coherent final output, you must arrange the pages of your file. Failure to do so may confuse readers and lead to misunderstandings. Luckily, this procedure is easy to perform, as it involves 

to delete, rotate, or move pages to the right place.

How PDF.net Can Help You Streamline the PDF Merging Process

You can prepare your file for the merging process using our 

 allows you to edit the text, adjust font color and size, and perform many other actions (e.g., drawing, 

Our online software uses encryption and ensures that

 during conversion, merging, and other processes. We also care about your privacy and delete all documents from our servers after you finish using our services.

#1. Can I merge multiple PDF files into one?

Yes, you can merge multiple PDF files into one using our PDF.net tool. You must open the merge tool, upload your files, reorder and arrange them if needed, and download the document.

Yes, your data is safe when you use PDF.net. Our website encrypts your documents to protect them and does not keep any files on its servers after you have used our tools.

#3. How do I merge PDF files automatically?

You can merge PDF files automatically with our PDF merge tool. Once you open the tool, upload and order your documents, and arrange the pages, our software will automatically merge all your files and export them, making them ready for download.

Learn how to merge PDFs, including the benefits, best practices, and common mistakes to avoid when combining multiple PDFs into one.

How to Merge PDF Files: Fast and Secure Solution with PDF.net

Want to change fonts in a PDF? Learn how to edit font style, size, and color with PDF.net to improve readability and give your document a professional touch.

To change the font in PDF documents, you should visit PDF.net, upload your document, select the text editor, and find and switch the existing font style to another one.

Changing fonts in PDFs makes your document neater, as using standard, clear, and non-decorative fonts can 

. Moreover, you can make a single file with different fonts uniform by changing them to one main font, which can also make it look more professional.

Since PDFs aren’t as easily editable as Word files, switching fonts can be tricky. But worry not because we are here to show you the most straightforward ways to do so and share tips 

 by replacing decorative or inconsistent typefaces with clear, standard fonts.

 include embedded or restricted fonts that prevent full editing; these can be resolved through file conversion, OCR, or flattening.

ensure text displays correctly across all readers and devices

, use readable fonts, limit decorative ones, and flatten your file.

, you can adjust the font type, size, color, and style. Also, conversions to Word or Excel via PDF.net allow for broader font editing flexibility before re-exporting to PDF format.

How to Change Font in a PDF Using PDF.net

To change the font in a PDF using PDF.net, use our 

#1. Visit the Website and Upload Your File


Visit the PDF.net Website and Upload Your File

 in the top left corner. Drag and drop your file into the box labeled 

 to select it manually. The upload process will automatically be completed after this.

Once the upload ends, a new window will open, showing your document with editable text fields. You can 

 variants (e.g., using Times New Roman instead of Courier, both of which are 

 typefaces). Additionally, you can change the font color, size, and style. Just click the text field you want to edit and select the text within the field.

The dot on the left, symbolizing the font color, will have the original text color (usually black), which you can click to choose between 

if you want to change this. Beside the font color button, you will see the name of the current font, and clicking on it will allow you to switch to another one.

The size toolbar is next to the font type menu, showing the number, which you can decrease or increase to make the font 

buttons, which you can use to change the PDF font style (

Lastly, you should save your newly edited file by clicking the 

button in the upper right corner. The automatic download process will last several seconds and store the file in your default download folder.

How to Convert PDF to Word or Excel and Change Font

To convert a PDF to Word or Excel and change the font, you need to use our PDF converter and designated offline programs.

This process is easy and requires minimal effort; here’s what you should do:

Visit PDF.net and choose PDF-to-Word or PDF-to-Excel the conversion

Upload your file using the drop-down menu or the 

Upload your file using the drop-down menu or the Choose file button

Click Download to save your converted document

Double-click on your Word or Excel file to open it.

Select the text, click the Font ribbon under the Home tab, and choose the new font

 ribbon to change color, size, and style.


Use the Font ribbon to change color, size, and style

You can convert a PDF font to another one and change color, style, and size, but you may not be able to modify embedded PDF fonts.

First, you can change font type (e.g., switch from 

 to a handwritten font). Font type directly impacts the document’s readability, as different letter shapes can be easier or harder to understand.

In addition to using different font types, you can change the PDF font size. This can make the text 

, as you can enlarge letters that are too small. Also, resizing letters is a much easier way to improve a document’s readability instead of using complex methods, such as 

 or kerning, to adjust PDF font settings.

If you want to standardize your document, you can use the default black font color or decorate it by switching to warm colors. Similarly, you can emphasize important elements within the text by changing the font style (e.g., use bold and italics).

However, it is important to note that some documents 

. For instance, you may use a file with embedded fonts, which are not installed on your PDF reader, resulting in restricted editing (e.g., only being able to change font color).

When changing fonts in PDFs, it is essential to use readable fonts, be moderate while using decorative ones, and ensure that all readers can open such files.

Let’s examine these tips in more detail:

Choosing readable fonts is one of the most important things for having a 

. We know that there are numerous fonts with different typefaces and designs, but some may be difficult to read, especially if they are small.

Moreover, some fonts may be so distorted that it is almost impossible to read them. For this reason, we recommend using either 

. You can test the readability by using a PDF with unfamiliar content, changing the text font without previously looking at the content, and trying to read it for the first time.

Decorative fonts can make your text look more interesting, sophisticated, and polished. However, overusing them can also make your documents look more 

informal and casual and, therefore, less professional

Even if your file is not official (e.g., a government form), overusing decorative fonts can also

. The reason for this is that letters can take on weird shapes because of all the curves and decorative elements.

Some readers may be unable to open or render your new font correctly after changing it. To prevent this, you can flatten your PDF file. This will combine all different layers into one, ensuring that any reader can 

open and display the PDF text in its original form

, regardless of the manufacturer or operating system.

This will also facilitate the sharing process, as merging layers can shrink PDFs. Still, as flattening is one of the ways to make your PDFs non-editable, we recommend making a copy of your original file before doing so.

Troubleshooting Common Issues When Changing Fonts in PDFs

As PDFs are not as editable as Word or similar text documents, font editing may also be unavailable for some documents. For instance, some PDF readers may only allow you to change font size and color, but not type. A typical cause of this is 

, which are not installed on your reader.

Another reason why you may not be able to edit text or change PDF fonts is font restrictions, which are common for certain fonts (e.g., Google fonts). Finally, your PDF may be a scanned image, meaning that you cannot select text or change the font.

, which creates more editing opportunities and makes it easier for you to change the font. Once you are done, you can convert your document back from 

. File recreation is a conversion alternative. All you should do is copy the contents from your PDF to a blank Word or similar text file, change fonts, and save it as a PDF (this only works for editable documents).

Use an online reader instead of an offline one

. Offline readers typically require additional installation to render specific fonts. In contrast, online readers such as PDF.net will automatically recognize 

For non-selectable, image-based PDFs, you can use our OCR tool to make them 

, enabling you to change PDF fonts afterward.

Why Use PDF.net for Editing and Organizing Your PDF Files

You should use PDF.net for editing and organizing your PDF files because we provide 

In addition to editing text in PDF and changing font, you can also shrink your documents using our 

 if the new fonts make them too large. Our software offers lossless compression, preserving the 

Moreover, you can highlight text in PDF, draw, and add comments and sticky notes to boost the proofing process or direct readers’ attention to specific parts of the file. Plus, placing a digital signature on your document with our 

 is another useful option, which helps you enhance your file's credibility.

Unlike some free PDF editors, we provide 

maximum security for your documents and data

, as we use strong encryption, ensuring that only you can access your files. Lastly, our safety protocols involve deleting all your documents once you finish using our tools, which prevents misuse.

#1. Can I change the font in any PDF file?

Yes, you can change the font in any PDF file as long as it is standard and editable. On the other hand, you cannot do so in PDFs with embedded or restricted fonts or scanned-based ones.

#2. Why can’t I change the font in my PDF?

You can't change the font in your PDF as it may be embedded (requiring 

for offline programs) or restricted. Your PDF may also be image-based, which you need to make editable using OCR technology.

#3. Can I change the font size and color in a PDF, too?

Yes, you can change the font size and color in a PDF using software such as PDF.net. Our tool allows you to select text and make it larger or smaller while also switching between various font colors.

How to Change Fonts in PDF Documents: Fast and Easy

Knowing how to password-protect a Word document can help you prevent unauthorized use and editing and keep your confidential data safe.

To password-protect a Word document on Windows and Mac, you should use Microsoft Word on both operating systems.

and is a common practice for legal papers, business files, and contracts. In addition to these advantages, securing Word files with passwords also comes with certain downsides if not done correctly (e.g., weak passwords can be breached).

Therefore, it is crucial to know how to properly password-protect a Word document and when password-protecting PDF files using designated tools like PDF.net is smarter than using Word ones.

 on both Windows and Mac directly through Microsoft Word by selecting 

, as many data protection frameworks require privacy-by-design measures.

, but recovery is difficult if forgotten—making password management tools or backup copies essential.

, and PDF.net allows for encryption, complex passwords, and additional restrictions such as blocking printing, copying, and editing.

How to Password-Protect a Word Document on Windows

To password-protect a Word document on Windows, you need to open the file, find the password-protection option, and set the password.

Let’s take a detailed look at these steps:

Find the document you want to protect and double-click it to open it.

Click the File menu in the top-left corner

Choose Protect Document and select Encrypt with Password.

Save the changes by clicking the Save icon in the upper-left corner.

How to Password-Protect a Word Document on Mac

To password-protect a Word document on a Mac, you should use 

 to open it, find the protection feature, set the password, and save the file.

Select the Protect drop-down menu and choose Protect Document

Enter the password, confirm it by re-entering, and click 

Enter the password, confirm it by re-entering, and click OK

Upon leaving, save the document using the automatic pop-up window.


Why You Should Password-Protect Your Word Documents

You should password-protect your Word documents to 

, facilitate sharing, and comply with the necessary data regulations if needed.

Let’s see the benefits of Word password protection in greater detail:

Restricting access to Word protects your documents from

. For instance, you may have to upload your file to a drive to which various people have access. Still, if you want to grant file access to specific individuals only, 

it and share the password just with them.

Additionally, you can password-protect multiple files by creating a different password for each document, which allows you to 

manage access for different people and files individually

You can password-protect documents containing sensitive information to 

, as these may lead to various problems. For example, your file may include intellectual property, such as robotic 

 that your business plans to launch in the near future.

If your competitors find details about this, they may use it for their own development, 

. Similarly, hackers may steal your valuable data and sell it to other companies, which can also endanger your business.

As password-protecting a Word document restricts access, it automatically limits the opportunity to modify such a file. This means that your information is not only safe from copying or stealing 

Of course, this is important because some documents may contain data that users must not alter in any way. For instance, some factory machines may be dangerous if not used correctly, and the service manual can be the only source for safe use. So, before sharing the manual in a Word document, you can password-protect it to 

ensure that all instructions remain intact

Due to the rise of technology, many countries, unions, and companies have proposed safety acts to protect people’s 

. Depending on where and what you use Word documents for, you may need to password-protect them to comply with specific security protocols.

For instance, as a product designer, you may have to lock Word files to comply with the 

keep essential business-related data private

Additionally, such regulatory principles are also available globally, including the 

 issued by the Organization for Economic Cooperation and Development (OECD). These privacy guidelines regulate the 

Can Your Remove or Change Your Password Later?

You can remove or change your password after protecting a file 

. All you have to do is open your document, type in the password, find the protection feature, and enter the new password or erase the old one from the box.

While removing passwords from Word documents is easy, you will need a computer to do it or go through a tedious download process on mobile devices. In contrast to Word documents, managing PDF passwords is easier, especially with

Specifically, you can access our tools on 

. Like Microsoft Word, we also offer software for changing passwords and unlocking PDFs, among other security features.

 provides additional security for your files, as there are stronger and more versatile ways to protect PDFs.

This is because Word allows you to use only 

, limiting combinations of different characters. Plus, the option to encrypt Word documents is equal to standard password protection, as it does not scramble the file text but only limits the file access.

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