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Reducing PDF File Size to 100KB | How to Compress PDF File Size Online for Free?



Reducing PDF File Size to 100KB

Reducing PDF File Size to 100KB: If you create a lighter PDF document with only text and no images, the file size will be reduced, and it will be easier to deliver. Larger photos and lots of pictures can cause document sizes to grow, but you can pre-upload compressed images when producing any PDF file, reducing the size by up to 60%.

If you wish to reduce a 1MB file to 100-200 kb, you can alter or compress it, but the document’s quality will undoubtedly suffer as a result. On the other hand, if you have a larger PDF document and wish to compress it for a smaller size, edit the File and delete the photos, then reorganize the pages to create a new, lighter PDF.

You may also compress a PDF file using online tools by simply uploading it and compressing it using the tools, and the newly downloaded File will be smaller than the original. This page includes a step-by-step explanation of how to modify a PDF file and eliminate some of its portions to generate a lighter document, as well as a list of online resources for Reducing PDF File Size to 100 KB.

Why Compress PDF to Reduce its Size?

To make the process of sending it easier. Compressing PDF files is critical and should be done for most of them, but not at the expense of quality. The main reason for compressing a PDF file is to minimize its size and fix it to an appropriate amount to be sent over email or other web portals more easily.

Many people nowadays apply for jobs online, with the essential requirement to upload their documents and files. In that instance, the site may have established some file size expectations. As a result, the PDF file should be compressed before being published to the app.

Reduce PDF Size Manually

Manual compression of PDF can be done in a few steps. The first and most crucial step in compressing PDFs is to remove any unnecessary images or text.

  • If you already have the photographs, you can compress them before making a PDF.
  • Use your Paint tool to lower the size to a reduced percentage of up to 40-50 percent.

paint tool compress

  • The first thing you may do is remove any unneeded photos from PDF documents, which will require splitting the PDF into many pages.
  • You can acquire the page using internet tools to divide photos, compress each page, and then re-create the PDF.
  • If you wish to eliminate a few useless pages, you may now omit them and create a new PDF file with a smaller file size.

Now, using the three-step manual method: i) reducing pixels by percentage, ii) compressing photos, and iii) removing a few pages, you will notice a significant reduction in the size of the PDF file, which will aid in obtaining the smaller File.

When you select one, the file size is displayed, and you can choose the one you require.

Read More: Convert Word to JPG Free Online

Reducing PDF Size to Less than 100 KB

It is often necessary to reduce the file size to less than 100 kb without sacrificing quality. Use the Adobe Acrobat Pro software to shrink the file size.

1. To lower the file size from 1 MB to 100 Kb or lower, follow these steps.

2. To begin, open the File in Adobe Acrobat Pro and inspect the quality.

Adobe size reduce

3. Select the option ‘Reduced Size PDF ‘from the File>>Save As Other menus.

Popup size reduce

4. The version to choose to lower the size will appear in the pop-up window.

5. Once you’ve finished setting up the window, click the ‘OK’ button for saving a new file.

If you check the new File, the size will be decreased dramatically, up to 90% of the original size; pick version 4 to reduce the size to the lowest version you choose.

Compressing PDF for Reducing its Size

There are a plethora of internet sites where you can compress the PDF to the desired size. Here’s how to compress it by making use of an online site, with step-by-step instructions.

  1. Open the website where you’d like to compress the PDF.
  2. It will prompt you to upload a PDF file.
  3. When you click it, a new window will open with all of your files saved in it. Select and attach the PDF file you want to compress.
  4. Choose the option ‘Google Disk’ if you don’t have the PDF file on your computer but have it on your drive.
  5. A new window will open, and you must select the email address where the File was stored.
  6. Once you’ve granted access to your email, your drive will open, and you’ll be able to select the PDF from there.

If you don’t want to attach any files, drag & drop them onto the internet site by clicking on ‘Drop files here.’ If you only have access to the PDF online, you can choose the ‘URL’ option and copy and paste the URL from the internet.

Reducing the Size of PDF Online

Here are three websites where you may reduce the size of a PDF file to between 100 and 200 kb.


  1. To produce a smaller PDF file, go to and scroll down to the resize pdf section.
  2. A red color box will appear, with a drop-down option labeled “Choose files,” or the File will be dropped here below it.
  3. Select the PDF file from your computer by clicking the drop-down arrow and selecting ‘From device.’ Alternatively, you can use the ‘drop files here’ option to drag and drop the File.
  4. Alternatively, choose ‘google drive’ to connect a file from your Google Drive.
  5. Click on primary compression mode.
  6. The size and compression of your File will be changed.


  1. To minimize the size of a PDF file, first, go to
  2. On the site’s uppermost row, select resize/scale pdf.
  3. Then, on Docupub, customize the page settings as desired.
  4. Resize the PDF file after uploading it.
  5. After a few moments, you’ll be able to download and review your resized document.


  1. For resizing a PDF document, go to
  2. Select your PDF file by clicking on the Choose Files button.
  3. The whole document will take some time to upload.
  4. After the document has been uploaded, select the desired document size from the drop-down option.
  5. If you go with custom, be sure to specify the height and width in millimeters.
  6. The heights are automatically filled if you select anything other than custom, such as A0, A1, A4, and so on.
  7. Click ‘resize’ once all of the columns have been filled. Within seconds, you will have access to the resized PDF.


As stated in this post, you can reduce the size of a PDF file by using any tool to downsize it up to 100 kb, or you can do it manually by altering and removing graphics from the document to make it lighter.

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