由于 PDF 文件是共享文档的首选文件格式(file format)，因此大多数组织都增加了对PDF 文件(PDF file)的使用。这背后的原因是PDF 文件(PDF file)被锁定，其他人无法编辑或更改PDF 文件(PDF file)的内容。因此不会对PDF 格式(PDF format)造成意外或不必要的损坏，其中Word 文档(Word document)，任何人都可以进行更改。使用PDF doc(PDF doc)文件进行报告、年度报告、学术研究、用户手册等已成为人们的标准做法。
但是，如果您同时处理多个PDF文件并想在其中搜索特定主题怎么办？您会一个一个打开每个PDF 文件(PDF file one)并搜索特定主题吗？相信(Believe)我，这种方法会花费很多时间，而且不值得付出努力。那么现在问题来了，有什么选择呢？好吧(Well)，别担心，在本文中，我们将列出在多个PDF文件中搜索文本的各种方法。在Windows PC上 , 在(Windows PC)Word 文档(Word document)下 搜索 特定 主题 更 容易 ,因为Windows索引 Word 文件 中 的 所有 文本 ,但(Word file)对于PDF文件。
在多个 PDF 文件(Text Inside Multiple PDF Files)中搜索文本
方法一：使用Adobe Acrobat Reader
Adobe Reader是用于在(Adobe Reader)Windows PC上访问(Windows PC)PDF文件的最常用工具。因此，为了在您的 PC 上打开PDF文件，首先您需要下载并安装 Adobe Acrobat Reader(download & install Adobe Acrobat Reader)。为了从多个PDF文件中搜索(PDF)主题或文本(topic or text)，您需要使用“ Adobe PDF 搜索(Adobe PDF search)”功能。
1. 要打开高级搜索框(Advanced Search Box)，您需要导航到编辑( Edit)部分并从菜单中选择高级搜索(Advanced Search)，或者只需同时按下“ SHIFT+CTRL+F ”键。
2. 接下来，在搜索框中输入您要查找的(Search box)搜索词(search term)（或主题）。选择“您要在哪里(Where)搜索”标题(heading “)下的“(option “)所有 PDF 文档”选项。(All PDF Documents in)
3. 现在浏览到存储在特定目录下的所有PDF文件的位置(PDF)并选择(directory and select)该位置，然后单击搜索按钮。 (Search button. )
注意：您还可以选择任何其他搜索过滤(search filter)条件，例如Include Comments、Case-sensitive等。如果您看不到搜索过滤器(search filter)，请单击面板底部的链接Show More Options 。
4. 当结果出现在屏幕上时，您可以查看结果。
方法二：使用福昕阅读器在多个(Foxit Reader)PDF文件中搜索文本
与Adobe Acrobat Reader一样，该软件也用于访问PDF文件。Foxit Reader具有一些高级功能，因此人们更喜欢使用它而不是Adobe Acrobat Reader。如果您已经安装了福昕阅读器，您可以按照以下步骤在多个(installed Foxit Reader)PDF文件中查找您要查找的文本：
1. 在您的系统上打开福昕阅读器(Foxit Reader)。
2. 点击搜索框(search box)右上角(right corner)的文件夹搜索(folder search)图标。
3. 屏幕右侧会打开一个弹出窗口。选择所有 PDF 文档，(All PDF Documents in)然后选择要在其中搜索多个PDF文件的(PDF)目录(Directory)。
4. 接下来，输入(type the Keyword)您要搜索的关键字，然后单击“搜索”(Search) 按钮。
5. 您将能够在屏幕上看到所需的搜索结果。(search result)
另请阅读：(Also read:) 修复无法在(Fix Unable)Internet Explorer中打开PDF文件
方法 3：使用Ultrafinder在多个(Ultrafinder)PDF文件中搜索文本
Ultrafinder 是具有高级搜索功能的最佳(advance search feature)搜索工具(search tool)。即使您无法在驱动器中找到PDF 文件(PDF file)或忘记了PDF的文件名，您也可以搜索内容。但是您应该记住要搜索的PDF 文件的内容。(PDF file)
要在多个PDF(PDF)中搜索文本，请按照以下步骤操作：
1.从此链接(from this link)下载并安装 Ultrafinder 。
2. 打开Ultrafinder应用程序。
3. 导航到查找设置(Find settings)选项卡下的查找文件(Find File)选项。
4. 现在，如果要在PDF文件的内容中搜索，请选择文件内容(File contents) 单选按钮(radio button)，如果要在计算机上的文件或文件夹中搜索，请选择文件和文件夹名称(File and folder names )选项。
5. 在我们的例子中，选择文件内容(File contents) 单选按钮并在(radio button)查找内容(Find)搜索框(search box)下键入您的搜索查询(search query)（或特定主题或标题）。
6. 现在单击查找位置搜索栏下的添加(Find Where)文件(search bar)夹图标(Add Folder icon)，选择要在其下搜索多个PDF文件内容的驱动器。(Drive)
7. 从In files/types下拉列表中选择*.pdf。
8. 完成上述步骤后，点击(step click)开始搜索按钮(Start search button)搜索文件，如下图所示。
就是这样，您的搜索结果(search result)将显示在窗口右侧的“会话”选项卡下。(Session tab)
方法 4：使用 SeekFast
另一方面， SeekFast是一个非常好的应用程序，可以在多个(SeekFast)PDF文件下搜索特定术语。
1. 您可以从这里(here)轻松下载 seekFast 。
2. 接下来，打开应用程序并在搜索框中输入您的(search box)搜索查询，显示(search query)SeekFast 窗口(SeekFast window)的顶部。
3. 在搜索框(search box)下方，单击浏览按钮并导航(Browse button and navigate)到您的PDF文件所在的文件夹。选择该特定文件夹，然后单击“(folder and click) 确定”。(OK.)
4. 最后，点击搜索(Search)按钮。
方法 5：使用Windows 搜索(Windows Search)在多个PDF文件中搜索文本
虽然PDF文件不被Windows 文件资源管理器(Windows File Explorer)索引，但您仍然可以使用Windows 搜索(Windows search)来搜索多个PDF文件中的文本。您需要做的就是允许PDF文件在Windows Search中被索引。为此，请按照以下步骤操作：
1. 导航到开始菜单搜索栏(Start Menu Search Bar)并搜索索引选项( Indexing options)。点击(Click)搜索结果(search result)打开。
2. 会弹出索引选项窗口，点击高级( Advanced)按钮。
3. 现在，切换到文件(File)类型选项卡，向下滚动并查找PDF 选项(PDF option)。选中PDF(Checkmark the PDF)选项并选择底部的索引属性和文件内容单选按钮，然后单击确定。(select the Index Properties and File Contents radio button)
4. 接下来，您需要将PDF文件夹添加到索引列表中(index list)。为此，请单击“修改(Modify)”按钮，然后选择 PDF 所在的文件夹，然后单击“确定(OK)”按钮。这将成功添加所选文件夹以索引PDF文件。
5. PDF(PDF)文件索引完成后，您可以使用文件资源管理器搜索(File Explorer Search)一次在多个PDF文件中搜索特定主题或文本(topic or text)。
注意： (Note: )确保(Make)您在PDF文件中搜索的任何内容都以文本格式保存，因为内容是图像格式(image format)，那么您将无法使用上述任何方法搜索特定文本或内容(text or content)。事实上，如果内容是图像格式，没有人可以帮助您在这些(image format)PDF文件中搜索任何内容。
另请阅读：(Also Read:)如何将PDF插入Word 文档(Word Document)
经常处理多个PDF文件(PDF file)的人，如学术学者、研究人员等，可以在多个PDF文件中轻松找到所需的(PDF file)主题和文本(topic & text)。他们可以轻松浏览大型PDF 文件(PDF file)的搜索过程，并在特定(search process)PDF 文件(PDF file)中找到准确的文本。
希望上述方法可以帮助您轻松地在多个PDF文件中找到您的文本。(PDF)但是，有时您可能需要使用第三方应用程序来帮助成功执行上述功能。
Search for Text Inside Multiple PDF Files
Usage of PDF files has been increased in most organizations because its the preferred file format for sharing documentѕ. The reason behind this is that the PDF file iѕ locked and no one else can edit or change the content of the PDF file. So no accidental or υnwanted damage can be done to thе PDF format, wherein Word document, anyone could makе changеs. It has become a standard practice among the people to use PDF doc files for their reports, annual reports, academic studies, user manuals, etc.
But what if you are dealing with multiple PDF files at the same time and want to search for a particular topic among them? Will you open each PDF file one by one and search for a particular topic? Believe me, this approach would take a lot of time and is not worth the effort. So now the question arises, what is the alternative? Well, don’t worry in this article we will list various methods to search for text inside multiple PDF files. On Windows PC, searching for a particular topic is easier under a Word document as Windows indexes all the text inside the Word file but the same is not true for PDF files.
Search for Text Inside Multiple PDF Files
Method 1: Using Adobe Acrobat Reader
Adobe Reader is the most common tool used for accessing PDF files on Windows PC. So in order to open PDF files on your PC, first you need to download & install Adobe Acrobat Reader. In order to search for a topic or text from multiple PDF files, you need to use the “Adobe PDF search” feature.
1. To open Advanced Search Box, you need to navigate to the Edit section and select Advanced Search from the menu or simply press “SHIFT+CTRL+F” keys together.
2. Next, enter the search term (or topic) you are looking for in the Search box. Choose the option “All PDF Documents in” under the heading “Where would you like to search”.
3. Now browse to the location of all the PDF files stored under a particular directory and select that location then click on the Search button.
Note: You can also select any other search filter criteria such as Include Comments, Case-sensitive, etc. If you can’t see the search filters then click on the link Show More Options at the bottom of the panel.
4. You can then review the results when they appear on your screen.
Method 2: Search for text inside multiple PDF files using Foxit Reader
Like Adobe Acrobat Reader, this software is also used to access PDF files. Foxit Reader has some advance features due to which people prefer to use this instead of Adobe Acrobat Reader. If you have already installed Foxit Reader, you can follow the below-mentioned steps to find the text you are looking for in multiple PDF files:
1. Open Foxit Reader on your system.
2. Click on the folder search icon on the top right corner of the search box.
3. A pop-up window opens on the right side of the screen. Choose All PDF Documents in and select the Directory where you want to search the multiple PDF files.
4. Next, type the Keyword you want to search for and click on the Search button.
5. You will be able to see the desired search result on your screen.
Also read: Fix Unable to open PDF files in Internet Explorer
Method 3: Search for text inside multiple PDF files using Ultrafinder
Ultrafinder is the best search tool with an advance search feature. You can search for the content even if you’re unable to find the PDF file in your drive or forgot the filename of the PDF. But you should remember the content of the PDF file that you want to search.
To search for text inside multiple PDF, follow the below steps:
1. Download & Install Ultrafinder from this link.
2. Open the Ultrafinder Application.
3. Navigate to Find File option under the Find settings tab.
4. Now select the File contents radio button if you want to search within the content of PDF files or select File and folder names option if you want to search within the files or folders on your computer.
5. In our case, select the File contents radio button and type your search query (or a particular topic or heading) under Find What search box.
6. Now click on the Add Folder icon under Find Where search bar to choose the Drive under which you want to search for the content under multiple PDF files.
7. From the In files/types dropdown select *.pdf.
8. After proceeding with the above step click on the Start search button to search for the file as shown below.
That’s it, your search result will be displayed under the Session tab on the right side of the window.
Method 4: Use SeekFast
SeekFast, on the other hand, is a quite good application to search for a particular term under multiple PDF files.
1. You can easily download seekFast from here.
2. Next, open the application and type your search query into the search box, present the top of the SeekFast window.
3. Below the search box, click on the Browse button and navigate to the folder where your PDF files reside. Select that particular folder and click OK.
4. Finally, click on the Search button.
Method 5: Search for text inside multiple PDF files using Windows Search
Although PDF files are not indexed by Windows File Explorer, but you can still use Windows search to search for text inside multiple PDF files. All you need to do is to allow the PDF files to be index in Windows Search. To do so, follow the below steps:
1. Navigate to Start Menu Search Bar and search for Indexing options. Click on the search result to open.
2. Indexing options window will pop up, click on the Advanced button.
3. Now, switch to File types tab, scroll down and look for PDF option. Checkmark the PDF option and select the Index Properties and File Contents radio button at the bottom then click OK.
4. Next, you need to add the PDF folders into the index list. To do so, click on the Modify button then choose the folder where your PDFs are located and click on the OK button. This will successfully add the selected folders for indexing PDF files.
5. Once the indexing of PDF files is finished, you can search for the particular topic or text in multiple PDF files at once using the File Explorer Search.
Note: Make sure whatever you are searching inside PDF files is saved in text format because it the content is in image format then you won’t be able to search for particular text or content using any of the above methods. In fact, if the content is the image format, nobody can help you in searching for anything inside these PDF files.
Also Read: How to Insert a PDF into a Word Document
People who usually deal with multiple PDF files such as academic scholars, researchers, etc can easily find the required topic & text within multiple PDF files. They can easily skim through the large PDF files search process and find the exact text in the particular PDF file.
Hopefully, the above-mentioned methods will help you find your text in multiple PDF files easily. However, sometimes you may need to use a third-party app to help perform the above function successfully.
