这些PDF 文件压缩器和优化器软件和在线工具(PDF file compressor & optimizer software and online tools)将帮助您减小PDF文件的大小。使用这些PDF文件缩减器和压缩器软件来减少或压缩PDF大小。减小文件大小不仅使它们易于共享，还可以节省带宽和 PC 上的磁盘空间。在这篇文章中，我们将介绍 iLove PDF、PDF Candy、Free PDF Compressor软件、PDFaid和SmallPDF PDF Reducer软件。
压缩 PDF 文件
1. 免费 PDF 压缩器
顾名思义，这个免费的 PDF 压缩器可以(free PDF Compressor)压缩大的PDF文件，使它们可以附加到电子邮件中，并且与低分辨率的屏幕兼容。这是一个非常简单易用的程序，并带有一个非常干净的界面。主要概述拥有一切。下载(Download)并安装程序，启动它并选择源文件，调整压缩设置，选择输出文件夹，然后点击压缩(Compress)选项卡。该程序实际上减小了PDF文件中的图像大小，从而在不影响清晰度的情况下对其进行压缩。
2. PDF缩减器
这又是一个免费实用程序，可帮助您减小PDF文件大小。缩小后的文件在您的 PC 上占用的空间显然更少，并且可以通过电子邮件轻松共享。PDF Reducer将文件大小缩小到合适的大小，这样您就不会错过任何内容并且阅读起来很舒服。它实际上压缩PDF中的图像，缩小它们，删除未使用和想要的元素，如注释或书签，从而使文件变小。该软件还允许您一次压缩多个PDF文件。此外，它还允许您选择您想要的图像大小。
3.PDF糖果
PDF Candy不是下载，而是一种网络服务，提供 24 种不同的PDF工具，如PDF转Word、Word转PDF、PDF转JPG、PDF转PNG、PDF转PNG、JPG转PDF、合并 PDF(Merge PDF)、拆分 PDF(Split PDF)、压缩 PDF(Compress PDF) ,解锁 PDF(Unlock PDF) ,保护 PDF(Protect PDF) ,旋转 PDF(Rotate PDF) ,添加水印(Add Watermark),删除(Deleted)页面, EPUB转PDF，MOBI转PDF，FB2转PDF，PNG转PDF，TIFF转PDF，BMP转PDF，ODT转PDF，Excel转PDF，PPT转PDF，PDF转BMP，PDF转TIFF。因此，总的来说，如果您使用这个网站，您可能不需要查看任何其他PDF工具。检查这个网站这里。(here.)
4.iLovePDF
与 PDF Candy 非常相似，iLovePDF还提供了一套在线PDF工具，可帮助您合并、拆分、压缩、解锁、加水印、旋转PDF文件以及将PDF转换为PowerPoint、Word、JPG和Excel文件。使用这些工具转换的所有文件都会在 iLove PDF服务器上存储大约一小时，您可以免费下载它们。此处的工具提供免费版本和付费版本，您可以获得一些额外的功能和好处。但是，免费版本足以满足常规使用。
5. 小PDF
Smallpdf是一套免费的基于浏览器的工具，可帮助您压缩PDF文件、将其转换为各种格式、拆分、合并或编辑它。它适用于几乎所有平台，包括Mac、Windows或Linux。所有压缩或编辑的文件都保存在服务器上，可供免费下载。只需(Just)拖放要编辑或转换的PDF文件。(PDF)您还可以从Dropbox或Google Drive添加您的(Google Drive)PDF文件。在此处检查工具。(here.)
6.PDFaid
PDFaid为您提供几乎所有您可能需要的PDF工具。从水印工具到转换工具、拆分器到提取工具，您都可以在这里找到一切。从网站上选择所需的工具，上传PDF文件并按照说明进行操作。您不需要任何其他软件即可使用这些在线工具。因此，PDFaid中的工具包括 - 水印 PDF(Watermarking PDF)、HTML到PDF转换，office 文件到 pdf 转换（doc 和 docx），图像到 pdf 转换，图像到 pdf 转换，pdf 拆分器（从 pdf 中提取页面），从 pdf 文档中提取图像，矢量格式（eps 和 ps），将 pdf 转换为 doc ，将 pdf 文件转换为网页，重新命名 pdf（更改 pdf 文件中的超链接），从 pdf 文档和XPS中提取文本到PDF，以及多个PDF连接器。此工具将帮助您在线压缩 PDF 文件(compress PDF files online)。
如果您对免费软件或在线工具有任何建议，请随时在下面的评论部分中添加它们。
Compress PDF Software: Compress PDF files using PDF Reducer online tools
These PDF file compressor & optimizer software and online tools will help you reduce the size of your PDF files. Use these PDF file reducer & compressor software to reduce or compress PDF size. Reducing the file size not just makes them easy to share but also saves your bandwidth and the disk space on your PC. In this post, we will take a look at iLovePDF, PDF Candy, Free PDF Compressor software, PDFaid, and SmallPDF PDF Reducer software.
Compress PDF files
1. Free PDF Compressor
As the name suggests, this free PDF Compressor compresses the large PDF files so as to make them email attachable and also compatible with the screens with low resolutions. This is a very simple and easy-to-use program and comes with a very clean interface. The main overview has it all. Download and install the program, launch it and select the source file, adjust the compression settings, select the output folder, and hit the Compress tab. The program actually reduces the image size in the PDF file and thus compresses it without compromising the clarity.
2. PDF Reducer
This is again a free utility that helps you reduce the PDF file size. The reduced file obviously occupies less space on your PC and is easily shareable via email. PDF Reducer reduces the file size to an appropriate size so that you don’t miss any content and it is comfortable to read. It actually compresses the images in the PDF, downscales them, removes the unused and wanted elements like the annotations or the bookmarks thereby making the file small in size. The software also lets you compress multiple PDF files in one go. Furthermore, it also lets you choose the size you want the images to be.
3. PDF Candy
PDF Candy is not a download but is a web service that offers 24 different PDF tools like PDF to Word, Word to PDF, PDF to JPG, PDF to PNG, PDF to PNG, JPG to PDF, Merge PDF, Split PDF, Compress PDF, Unlock PDF, Protect PDF, Rotate PDF, Add Watermark, Deleted pages, EPUB to PDF, MOBI to PDF, FB2 to PDF, PNG to PDF, TIFF to PDF, BMP to PDF, ODT to PDF, Excel to PDF, PPT to PDF, PDF to BMP, and PDF to TIFF. So, overall, if you are using this website you probably won’t need to check out any other PDF tools. Check this website here.
4. iLovePDF
Quite similar to the PDF Candy, iLovePDF also offers a set of online PDF tools which help you merge, split, compress, unlock, watermark, rotate PDF files and convert PDF to PowerPoint, Word, JPG, and Excel files. All files converted with these tools are stored on the iLovePDF servers for around one hour, and you can download them for free. The tools here are available in a free as well as the paid version where you get some extra features and benefits. However, the free version is good enough for regular usage.
5. SmallPDF
Smallpdf is a free browser-based set of tools that help you compress a PDF file, convert it into various formats, split it, merge or edit it. It works on almost every platform including Mac, Windows, or Linux. All the files compressed or edited are saved on the server and are available for free download. Just drag and drop the PDF file you want to edit or convert. You can also add your PDF files from Dropbox or Google Drive. Check the tool here.
6. PDFaid
PDFaid offers you almost every PDF tool you may need. Right from the watermarking tool, to conversion tools, splitters to the extracting tools, you will find everything here. Select the desired tool from the website, upload a PDF file and follow the instructions. You don’t need any additional software to use these online tools. So, the tools here in PDFaid include- Watermarking PDF, HTML to PDF conversion, office files to pdf conversion (doc and docx), image to pdf conversion, image to pdf conversion, pdf splitter (extract pages from pdf), extract images from pdf documents, vector formats (eps and ps), change pdf to doc, convert pdf files to web pages, rebrand pdf (change hyperlinks in pdf files), extract text from pdf documents and XPS to PDF, and multiple PDF joiners. This tool will help you compress PDF files online.
If you have any suggestions to make for free software or online tools, feel free to add them in the comments section below.
