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How to Reduce PDF File Size to 500KB

Uploading or downloading a file whose size is in MBs could be disturbing hold-up, especially when you are sending an attachment with email or uploading a document in Google forms or Microsoft forms.

There could be multiple reasons that your PDF size is big including use of different fonts and JPG images in the PDF, other elements can also increase the size of PDF which make it so heavy to be unable to download or upload somewhere.

The size of PDFs could be reduced into kilobytes easily using multiple applications available online and offline. In this article we will be discussing some of those applications which could reduce PDF size to 500kb.

These applications are so efficient and quick and can resolve your issues in a second. These applications differ in their mechanism, quality of results and pricing.

Part 1: How to reduce pdf bwlow 500kb offline

In this section, we will dive into the solutions to reduce PDF size to 500kb offline free.

#1 Wondershare PDFelement

Another remarkable product launched by Wondershare is PDFelement. This offline application is your all in one PDF management solution to create, compress, convert, edit, protect, and sign PDFs on desktop, mobile, and as well as on the web.

Wondershare PDFelement - PDF Editor is the leading alternative and an efficient PDF tool as compared to the rest of the others available offline, using PDFelement users can easily reduce PDF size to 500kb offline.

How to Compress PDF on PDFelement:

Step 1 Download the application on your windows operating system or iOS first. Then you are available with two options to make your pdfs compressed.

Step 2 The first one is, launch the application, and on the homepage, you will find the compressing files option.

reduce pdf size 500kb

Step 3 The second option is that, click on the compress PDF available under the tool tab.

reduce pdf size pdfelement

Step 4 Set the quality of the compression and then proceed to apply.

Further modification

PDFelement is quite a helpful application when considering a PDF management tool.It lets users add texts, annotations, colours, infographics to their Documents. One can also sign the documents with their digital signature.


The PDFelement is an affordable application as compared to others plus the upto the mark quality of results make it unique from others.

Also available on Apple devices

The PDFelement application is also available on iOS and Mac devices. The application can be downloaded after paying the subscription fee after which a user can reduce PDF size to 500kb offline free.

#2 Foxit Reader

Foxit Reader is an offline tool and small, fast, and feature rich PDF viewer or PDF management tool.

The Foxit reader enables you to create, compress, convert, open, view, sign, and print any PDF file.The application is available on Windows, Mac, iOS, Android, and the web.

How to Compress PDF on Foixt

To reduce PDF size to 500kb free offline, follow the steps below

compress pdf on foxit

Step 1 Download the application.

Step 2 Launch the application.

Step 3 Click on the FILE then export your PDF file.

Step 4 Select reduce the file size or PDF optimizer to compress your PDF.

Step 5 Under the Settings tab in the Save As dialogue box, choose which pages you want to export.


You can directly integrate Foxit reader with Microsoft 365 and can view and edit it from there.

User-friendly interface.

The offline application is not big enough to occupy your computer most of the space.

Conversion is very clean and results are good.


You have to pay for the application before downloading it.

Part 2: How to reduce PDF size to 500 kb online

In this section, we will be monitoring some of the applications available online to reduce PDF size to 500 kb easily and more efficiently.

#1 Wondershare HiPDF

reduce pdf size to 500kb hipdf

Wondershare’s HiPDF is one of the most pro and ultimate tools for reducing or compressing the size of PDFs to 500kb online free of cost.The quality of shrunk PDF differs HiPDF from other compressors available online.

HiPDF is uncomplicated to use because of its user-friendly interface and easy mechanism, users can easily reduce PDF size to 500kb online free.

Reduce PDF Size to 500KB on HiPDF

hipdf compress pdf to 500kb online

Step 1 Land on HiPDF website and select the online PDF compressor.

Step 2 Click on Upload and then select the PDF file to be compressed.

Step 3 Wait for Uploading until the process is done.

Step 4 Click on the compress button once the file is uploaded.

Step 5 When the process is finished, download the PDF file.

Quality of results

HiPDF is quality conscious and efficient web-based application that can reduce PDF size to 100kb online free  without changing or compromising the quality of the PDF, there are three possibilities let’s explore each;

  • High Compression, less quality
  • Medium Compression, good quality
  • Less Compression, high quality

One can compress PDF as per his or her needs.

Batch processing (paid feature)

The most popular feature of HiPDF is the batch processing feature, this feature makes HiPDF unique from the rest of the compressors.

It works in a way that It will convert, compress, edit, split your PDFs in a batch functioning on multiple documents simultaneously.

To avail this time saver and unique feature, subscribe to the HiPDF after which you can use it.

Further modification

HiPDF is an all time lifesaver solution to reduce or compress, edit, convert and as well as share your document with others. You can not only reduce your PDF into kilobytes but you can also convert it into Word, Excel, PPT, HTML.

The newly introduced feature of HiPDF is Share Document, now you can easily send your compressed or converted files to others by staying on the same platform.


The most prominent privilege of using HiPDF is that you can compress or convert your PDFs free of cost and you will get high quality results as the application is so concerned with the satisfaction of customers.

The paid versions of HiPDF are quite affordable and reasonable as compared to other PDF compressors available online.

#2 Sejda

Sejda is an ultimate web-based PDF management tool through which you can easily reduce PDF size to 500 kb online or as per your requirements.

You can simply compress, convert, edit, merge and even split PDF online. Ease of use and accessibility is what makes it unique from others.

However this ultimate tool is not free of cost, users have to pay $7.5 per month to continue with Sejda.

How to Reduce PDF File Size Online on Sejda:

sejda reduce pdf size online

Step 1 Navigate to Sejda Compress PDF tool.

Step 2 Click on upload PDF files.

Step 3 Set the quality, resolution, conversion in more options.

Step 4 Click on Compress PDF.

Step 5 Wait till the process is done.

Step 6 Download the PDF.


Sejda contains various helpful features for free.

It has a password protection feature to secure PDFs.

User friendly interface.


To use Sejda you have to pay $7.5 per month.

#3 Smallpdf

Smallpdf is an ultimate PDF managing tool which will help you to reduce PDF size to 500 kb online free, If you want to reduce the size of your PDFs in kilobytes then choosing smallpdf is a right option

The functionality and mechanism of Smallpdf is quite simple because of its user-friendly interface plus the quality of results are excellent.

Basic compression with Smallpdf is free of cost, if you want some advanced features to deal with your PDFs then you have to shift towards the Pro version which will cost you $12 per month.

Step by Step Guide to Compress PDF to 500KB on Smallpdf

smallpdf reduce pdf file size

Step 1 Go to the Smallpdf Compress PDF tool.

Step 2 Choose the PDF file to be compressed or drag and drop your PDF file into the toolbox to reduce the file size.

Step 3 Choose the compression type and then click on the “Compress.”

Step 4 The PDF compression tool will reduce the size of the file.

Step 5 Download the PDF once the process is done.


The compressed PDFs are of excellent quality.

DifferentPDFs can be merged into one PDF.


To upgrade to the Pro version one has to pay $12 per month.

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