这是有关如何^{(how to batch compress PDF files)}在 Windows 11/10 PC 上批量压缩 PDF 文件的完整指南。PDF 压缩^{(PDF compression)}是减小PDF文件大小以在 Web 上共享的过程。您可能还想减小PDF大小以应对有限的磁盘空间。现在，如果您有多个PDF文件，并且想一次压缩所有文件，该怎么做？好吧，这篇文章回答了你的问题。在这篇文章中，我们将讨论如何一次减小多个PDF^(PDFs)的大小。现在让我们看看如何！

如何免费缩小PDF文件的大小？

您可以使用本文中提到的任何工具或软件免费缩小或压缩PDF文件大小。所有提到的工具都可以让您一次压缩多个PDF^(PDFs)。您可以尝试免费软件，例如Reduce PDF Size或 4dots Free PDF Compress。或者，使用 iLove PDF或PDFResizer等免费在线工具来压缩PDF大小。

如何在 PC 上压缩PDF文件？^(PDF)

要在 PC 上压缩PDF文件，您可以尝试使用免费软件来离线压缩PDF文档。^(PDF)有免费软件，如Free PDF Compressor、4dots Free PDF Compress、Reduce PDF Size和PDF Reducer，可让您减小PDF文件的大小。我们已经详细讨论了其中一些软件；看看下面。

如何在Windows 11/10压缩 PDF^{(Compress PDF)}文件

Windows 11/10 PC上批量压缩PDF文档有两种主要方法。您可以使用免费软件批量压缩PDF^(PDFs)。或者，只需使用免费的在线工具在线批量压缩PDF^(PDFs)。这些是可用于在Windows 11/10PDF文件的免费软件和在线工具：

1. 4dots 免费 PDF 压缩
2. 减小 PDF 大小
3. PDF 压缩器
4. apowersoft.com
5. iLovePDF
6. PDFResizer
7. PDF24 工具

让我们详细讨论一下上述批量PDF压缩软件和在线工具！

1] 4dots免费PDF压缩

您可以尝试 4dots Free PDF Compress在^{(PDF Compress)}Windows 11/10上批量压缩和优化PDF文档。顾名思义，它是一款专用的免费软件，可让您批量压缩PDF的大小。^(PDFs)您可以一次导入多个PDF文档并减小它们的大小。最后，当压缩完成时，它会显示与PDF^(PDFs)原始大小相比的压缩百分比和输出文件大小。现在让我们讨论使用这个免费软件批量压缩PDF的确切过程。^(PDF)

如何在Windows 11/10中使用此免费软件批量压缩PDF文档：

以下是使用此免费软件一次压缩多个PDF文档的基本步骤：^(PDF)

1. 下载并安装 4dots Free PDF Compress。
2. 启动软件。
3. 导入多个 PDF 文档。
4. 设置^(Set)输出质量和其他选项。
5. 输入输出文件夹位置。
6. 按压缩按钮。

现在让我们详细讨论上述步骤！

首先，您需要在 PC 上安装 4dots Free PDF Compress以批量压缩PDF。因此，下载并安装此软件，然后在您的 PC 上启动它。

现在，导入多个需要压缩的PDF文件。^(PDF)添加PDF^(PDFs)时，您将能够查看其原始大小。

接下来，您可以调整保存在源PDF中的图像质量。您可以选择“压缩图像”^{(Compress Images)}选项，然后根据您的要求调整图像质量。它还提供了一些选项，例如保留创建日期、保留上次修改日期等。

最后，您可以输入输出文件夹位置，然后按压缩^(Compress)按钮开始批量PDF压缩过程。

当它完成减小PDF^(PDFs)的大小时，它会显示压缩级别和压缩大小以及原始大小。

您可以从这里^{(from here)}下载这个免费软件。

请参阅：^(See:) 在 Windows 中优化、压缩和减小 PDF 文件大小。^{(Optimize, compress & reduce PDF File size in Windows.)}

2]减小PDF大小

您可以尝试批量压缩PDF文档的另一个免费软件是Reduce PDF Size。它是Windows 11/10的专用免费软件，可让您同时压缩多个PDF文件。您可以使用它轻松执行批量PDF压缩。让我们看看如何！

Windows 11/10中使用此免费软件快速批量压缩PDF^(PDFs)：

1. 首先，下载并安装这个名为Reduce PDF Size的方便的免费软件。
2. 然后，启动该软件的GUI。
3. 现在，单击“File > Add PDF Files选项并导入多个PDF文档。
4. 接下来，转到“选项”菜单并从“^(Options)低质量^{(Low Quality)}”、“高质量^{(High Quality)}”等中选择所需的压缩选项。
5. 最后，通过单击“File > Reduce PDF File Size”选项开始批量PDF压缩。^(PDF)

这是一个很好且非常简单的软件，可以批量减小PDF大小。您可以从reducepdfsize.com^{(reducepdfsize.com)}下载它。

阅读：^(Read:) How to Batch Convert PowerPoint (PPT or PPTX) to PDF in Windows 11/10

3] PDF压缩器

正如您可以从其名称中猜到的那样，PDF Compressor是一个专用的在线工具，主要用于批量压缩PDF文档。您可以简单地添加您的PDF文件，它会在一段时间内自动压缩您的PDF 。^(PDFs)压缩后，您可以下载单个PDF^(PDFs)或包含所有输出缩减PDF文档的 ZIP 文件夹。

如何使用PDF Compressor在线批量压缩PDF文档：

您可以使用以下步骤在线批量减小PDF文件大小：^(PDF)

1. 首先，启动网络浏览器。
2. 接下来，打开PDF 压缩器^{(PDF Compressor)}网站。
3. 现在，浏览和导入多个PDF文件或将^(PDF)PDF^(PDFs)拖放到其界面上。
4. 之后，等待一段时间，直到批量PDF压缩完成。
5. 最后，您可以下载缩小尺寸的输出PDF^(PDFs)。

它显示了对每个PDF文件进行的压缩百分比。前往其网站^(website)尝试一下。

请参阅：^(See:) PDF Candy 是一款用于管理 PDF 的一体化在线工具^{(PDF Candy is an all-in-one online tool to manage PDFs)}

4] apowersoft.com

您也可以试试这个名为 apowersoft.com 的在线工具来批量压缩PDF文档。它是一个免费的在线工具，可以批量压缩和优化PDF文档而不会丢失原始质量。批量处理PDF^(PDFs)非常快。让我们找出批量减少PDF文件的步骤。

如何使用apowersoft.com在线批量压缩PDF文件^(PDF)

以下是使用此免费在线工具批量减小PDF大小的主要步骤：^(PDF)

1. 首先，打开一个网络浏览器。
2. 现在，访问 apowersoft.com 网站。确保您在其在线 PDF 压缩器^{(Online PDF Compressor)}页面上。
3. 接下来，从您的 PC浏览和添加多个PDF文档。^(PDF)您将能够在其界面上查看PDF大小。^(PDF)
4. 之后，选择压缩类型为Size、Normal或Quality。
5. 最后，按下压缩^(Compress)按钮开始批量PDF压缩过程。

PDF压缩完成后，它会显示 PDF 大小之前和之后，以便您^(PDF)比较两种大小。它还显示完成的压缩百分比。

相关阅读：^{(Related read:)} 使用免费软件或在线工具删除 PDF 限制^{(Remove PDF Restrictions using free software or online tools)}

5] iLovePDF

iLovePDF是一个免费的在线工具，带有一套PDF实用工具。它的众多工具之一还包括一个PDF压缩器工具。它可以让您在一段时间内一次压缩多个PDF文档。^(PDF)以下是使用此免费在线工具批量压缩PDF的主要步骤：^(PDFs)

1. 首先，打开您的任何网络浏览器。
2. 现在，转到 iLovePDF 的PDF 压缩器^{(PDF compressor)}页面。
3. 接下来，只需添加要批量压缩的源PDF文件。^(PDF)
4. 之后，从Extreme、Recommended和Less Compression中选择一个压缩级别。
5. 最后，点击压缩 PDF^{(Compress PDF)}按钮，它将开始减小PDF^(PDFs)的大小。

它将下载一个包含输出压缩PDF文档的^(PDF)ZIP文件夹。此外，您将能够查看应用于源PDF^(PDFs)的压缩百分比。

请参阅：^(See:) How to crop PDF Pages in Windows 11/10

6] PDF调整器

PDFResizer是一个批量PDF大小调整器，还可以让您一次压缩多个PDF^(PDFs)。它还允许您裁剪、旋转、转换、拆分或合并PDF文档。您可以使用以下步骤使用此工具快速批量压缩PDF ：^(PDFs)

1. 只需^(Simply)打开网络浏览器并访问 pdfresizer.com网站。
2. 现在，选择要减小其大小的源PDF文件。^(PDF)
3. 接下来，单击上传文件^{(Upload Files)}按钮。
4. 之后，点击优化 PDF^{(Optimize PDF)}按钮。
5. 最后，压缩完成后，下载优化后的PDF文档。

7] PDF24工具

PDF24 Tools是一个提供各种PDF工具的网站，包括批量PDF压缩器。您可以简单地将所有PDF文件添加到其中，它会批量减小它们的大小。您还可以在压缩前设置一些输出选项，包括DPI、图像质量^{(Image Quality)}和颜色^(Color)。以下是使用它减小多个PDF^(PDFs)大小的基本步骤：

1. 首先，启动网络浏览器。
2. 现在，打开 PDF24 Tools网站^(website)。
3. 接下来，将您的PDF文件放到其界面中，或者简单地浏览并选择源PDF文件。
4. 然后，根据您的喜好设置一些输出参数。
5. 之后，单击“压缩^(Compress)”按钮以启动批量PDF压缩过程。

您可以下载生成的压缩PDF^(PDFs)或将它们保存到Dropbox或Google Drive。您还可以对生成的PDF文件执行一些操作，包括合并、保护^{( Merge, Protect,)}和拆分^(Split)。

请参阅：^(See:) 使用 Print Conductor 批量打印多个 PDF、Txt、Word 文件^{(Batch print multiple PDF, Txt, Word files using Print Conductor)}

就是这样！希望本文能帮助您在Windows 11/10中一次快速压缩多个PDF文档。

现在阅读：^{(Now read:)} 适用于 Windows 的最佳免费批量 PDF 到 Excel 转换器软件。^{(Best Free Batch PDF to Excel Converter software for Windows.)}

Batch Compress PDF files using free software and online tools

Here is a full guide for you on how to batch compress PDF files on your Windows 11/10 PC. PDF compression is a process of reducing the size of a PDF file to share on the web. You may also want to reduce PDF size to cope up with limited disk space. Now, if you have multiple PDF files and you want to compress all of them at once, how to do that? Well, this article answers your question. In this post, we will be discussing how you can reduce the size of multiple PDFs at once. Let us now check out how!

How do I shrink a PDF file size for free?

You can shrink or compress a PDF file size for free using any of the tools or software mentioned in this article. All the mentioned tools enable you to compress multiple PDFs at once. You can try free software like Reduce PDF Size or 4dots Free PDF Compress. Or, use a free online tool like iLovePDF or PDFResizer to compress PDF size.

How do you compress a PDF file on a PC?

To compress a PDF file on a PC, you can try free software that lets you compress PDF documents offline. There are free software like Free PDF Compressor, 4dots Free PDF Compress, Reduce PDF Size, and PDF Reducer that let you reduce the size of a PDF file. We have discussed some of these software in detail; check out below.

How to Batch Compress PDF files in Windows 11/10

There are two main methods to batch compress PDF documents on Windows 11/10 PC. You can either compress PDFs in bulk using free software. Or, simply use a free online tool to batch compress PDFs online. These are the free software and online tools that you can use to batch compress PDF files on Windows 11/10:

1. 4dots Free PDF Compress
2. Reduce PDF Size
3. PDF Compressor
4. apowersoft.com
5. iLovePDF
6. PDFResizer
7. PDF24 Tools

Let us discuss the above batch PDF compressor software and online tools in detail!

1] 4dots Free PDF Compress

You can try 4dots Free PDF Compress to batch compress and optimize PDF documents on Windows 11/10. As its name suggests, it is a dedicated free software that lets you compress the size of PDFs in bulk. You can import multiple PDF documents and reduce their size at once. At the end, when the compression is done, it shows you compression percentage and output file size in comparison to PDFs’ original size. Let us now discuss the exact procedure to bulk compress PDF using this free software.

How to batch compress PDF documents using this free software in Windows 11/10:

Here are the basic steps to compress multiple PDF documents at once using this free software:

1. Download and install 4dots Free PDF Compress.
2. Launch the software.
3. Import multiple PDF documents.
4. Set up output quality and other options.
5. Enter output folder location.
6. Press the Compress button.

Let us discuss the above steps in detail now!

Firstly, you need to have 4dots Free PDF Compress installed on your PC to bulk compress PDF. So, download and install this software and then launch it on your PC.

Now, import multiple PDF files that you need to compress. As you add PDFs, you will be able to view their original size.

Next, you can adjust the quality of images saved in the source PDF. You can select the Compress Images option and then adjust the image quality as per your requirement. It also provides some options like keep creation date, keep last modification date, etc.

Finally, you can enter the output folder location and then press the Compress button to start the bulk PDF compression process.

When it finishes up reducing the size of PDFs, it will show you compression level and compressed size along with the original size.

You can download this free software from here.

See: Optimize, compress & reduce PDF File size in Windows.

2] Reduce PDF Size

Another free software that you can try to batch compress PDF documents is Reduce PDF Size. It is a dedicated freeware for Windows 11/10 that allows you to compress several PDF files simultaneously. You can easily perform bulk PDF compression using it. Let us check out how!

Follow the below simple steps to quickly batch compress PDFs using this free software in Windows 11/10:

1. Firstly, download and install this handy free software called Reduce PDF Size.
2. Then, start the GUI of this software.
3. Now, click on the File > Add PDF Files option and import multiple PDF documents.
4. Next, go to the Options menu and select the desired compression option from Low Quality, High Quality, etc.
5. Finally, start batch PDF compression by clicking on the File > Reduce PDF File Size option.

It is a nice and very simple software to reduce PDF size in bulk. You download it from reducepdfsize.com.

Read: How to Batch Convert PowerPoint (PPT or PPTX) to PDF in Windows 11/10

3] PDF Compressor

As you can guess by its name, PDF Compressor is a dedicated online tool that is primarily used to compress PDF documents in bulk. You can simply add your PDF files and it will automatically compress your PDFs in some time. After compression, you can download individual PDFs or a ZIP folder containing all the output reduced PDF documents.

How to batch compress PDF documents online using PDF Compressor:

You can use the below steps to reduce PDF file size in bulk online:

1. Firstly, launch a web browser.
2. Next, open the PDF Compressor website.
3. Now, browse and import multiple PDF files or drag and drop PDFs onto its interface.
4. After that, wait for some time until the bulk PDF compression is done.
5. Finally, you can download the output PDFs with reduced size.

It shows the percentage of compression done on each PDF file. Head over to its website to try it.

See: PDF Candy is an all-in-one online tool to manage PDFs

4] apowersoft.com

You can also try this online tool called apowersoft.com to batch compress PDF documents. It is a free online tool to batch compress and optimize PDF documents without losing the original quality. It is very quick in batch processing PDFs. Let us find out the steps to batch reduce PDF files.

How to batch compress PDF files online using apowersoft.com

Here are the main steps to reduce PDF size in bulk using this free online tool:

1. Firstly, open a web browser.
2. Now, go to the apowersoft.com website. Make sure you are on its Online PDF Compressor page.
3. Next, browse and add multiple PDF documents from your PC. You will be able to view PDF size on its interface.
4. After that, select compression type as Size, Normal, or Quality.
5. In the end, press the Compress button to start the bulk PDF compression process.

After the PDF compression is done, it displays before and after PDF sizes to let you compare both sizes. It also shows compression percentage done.

Related read: Remove PDF Restrictions using free software or online tools

5] iLovePDF

iLovePDF is a free online tool with a set of PDF utility tools. One of its many tools also includes a PDF compressor tool. It lets you compress multiple PDF documents at once in a matter of some time. Here are the main steps to batch compress PDFs using this free online tool:

1. First, open any of your web browsers.
2. Now, go to iLovePDF’s PDF compressor page.
3. Next, simply add the source PDF files that you want to bulk compress.
4. After that, select a compression level from Extreme, Recommended, and Less Compression.
5. Finally, hit the Compress PDF button and it will start reducing the size of PDFs.

It will download a ZIP folder containing output compressed PDF documents. Also, you will be able to view the compression percentage applied to the source PDFs.

See: How to crop PDF Pages in Windows 11/10

6] PDFResizer

PDFResizer is a batch PDF resizer that also lets you compress multiple PDFs at once. It also lets you crop, rotate, convert, split, or merge PDF documents. You can use the below steps to quickly batch compress PDFs using this tool:

1. Simply open a web browser and go to the pdfresizer.com website.
2. Now, choose the source PDF files whose size you want to reduce.
3. Next, click on the Upload Files button.
4. After that, tap on the Optimize PDF button.
5. Finally, when the compression is done, download the optimized PDF documents.

7] PDF24 Tools

PDF24 Tools is a website that provides various PDF tools including a batch PDF compressor. You can simply add all your PDF files to it and it will reduce their sizes in bulk. You can also set up some output options before compression including DPI, Image Quality, and Color. Here are the basic steps to reduce the size of multiple PDFs using it:

1. Firstly, launch a web browser.
2. Now, open the PDF24 Tools website.
3. Next, drop your PDF files to its interface or simply browse and select source PDF files.
4. Then, set up some output parameters as per your preference.
5. After that, click on the Compress button to initiate the bulk PDF compression process.

You can download the resulting compressed PDFs or save them to Dropbox or Google Drive. You can also perform some actions on the resulting PDF files including Merge, Protect, and Split.

See: Batch print multiple PDF, Txt, Word files using Print Conductor

That’s it! Hope this article helps you quickly compress multiple PDF documents at once in Windows 11/10.

Now read: Best Free Batch PDF to Excel Converter software for Windows.

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