How to Reduce PDF File Size Below 500 KB for Free [Onilne or Offline]

Last updated on January 13, 2023

Summary :

Learn about the best free online PDF compressor to reduce PDF file size below 500 KB online free. No registration, no installation, no quality loss, no watermark.

Content Table

The file size of a PDF document matters as online transmission these days is subject highly to network bandwidth, thus most video-sharing platforms and file hosting websites have limitations in the file size.

For example, for Office documents like Word, PowerPoint, Excel, and PDF, the Maximum size limit for files added from local OneDrive to Microsoft Sway is 20MB. Moreover, we normally deal with tens of thousands of documents on our computer or storage cloud, thus a document file size that is controlled under half a megabyte seems more ideal.

On this page, you’ll learn about the best free online PDF resizer tool PDFgear. Learn from the step-by-step guide to compress your PDF file size below 500 KB!

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How to Fast Reduce PDF Size to 500 KB with PDFgear Online – No Quality Loss

To get started, first I’d like to introduce the best online PDF resizer tool: PDFgear. PDFgear is an all-in-one online toolbox for all your PDF management needs: conversion, compression, editing, etc. Converting JPEG to PDF, for instance.

The PDFgear compressor tool is powered by MRC technology, making it possible to significantly reduce your document size without losing quality. And with the flexible page deleting features, you get to resize your PDF documents in a more flexible way.

PDFgear is completely free to use, there’s no need for installation or registration, and it works on any device including Windows, Mac, Linux, Android, iOS, etc. Why not give PDFgear a try now? Now follow the 3 simple steps below!

Step 1. Upload PDF to PDFgear

Navigate to PDFgear PDF Compressor online tool, drag and drop your PDF file into the PDF compressor box in the middle to upload the PDF file.

Upload the PDF to the Compressor

Upload the PDF to the Compressor

Step 2. Compress PDF File with PDFgear

There are three compression modes provided by PDFgear: Low compression, Medium compression, and Strong compression. The higher the compression rate the smaller the file size, yet the lower the quality. When the decision is made, hit the Compress button.

Select the Compressing Option

Select the Compressing Option

Step 3. Download the Compressed PDF Files

Then PDFgear will compress your file. When the compression finishes, hit Download to get the compressed PDF file, the size of the compressed PDF will be shown under the filename.

Download the Compressed PDF

Download the Compressed PDF

How to Compress PDF to 500KB or Less Offline

Apart from compressing your files in a convenient way – online, PDFgear also helps to resize your piled documents on your desktop. Meet the more effective compression solution: PDFgear Desktop, the desktop version of PDF online tools converting all features of the latter, and more. It allows for higher levels of PDF compressions, such as compressing PDF to 300 kb or less, and batch PDF compressors to save your time.

With PDFgear, you can batch compress your large document files in less than 1 minute, and a good network condition isn’t required anymore. Additionally, PDFgear Desktop is also awarded as one of the best free PDF editors for Windows that helps edit your PDF documents.

PDFgear Software is free to use, clean, and safe. Now hit the download button below to get it for your Windows or Mac PC!

100% Clean & Safe

Step 1. Launch PDFgear Desktop on your Windows or Mac computer, and then open the PDF compressor tool.

Step 2. Hit the “Add Files” button to upload the PDF file. You can also select multiple files at one go.

Step 3. Choose from three compression levels available: Low, Medium, and High. Choose a higher compression level for large PDF documents.

Step 4. From the file path box below, define a destination path for the output compressed PDF files.

Step 5. When you’re ready, hit the Compress button to start compressing PDF to 500 kb or less..

Compress PDF in PDFgear Desktop

Compress PDF in PDFgear Desktop

More Things to Do with PDFgear

PDFgear is an all-in-one PDF toolbox that actually does more other than resizing PDF documents under 500 KB. Check out what more you can do to your PDF with PDFgear below!

  • Further resize PDF: Resize your documents even smaller to 100 KB or less. Extreme compression mode hyper compression is also supported.
  • Convert PDF to other formats: convert PDF to Word, Excel, PPT, JPG, etc. for various sharing purposes.
  • Add notes to PDF: use free text, drawing ink, annotation, comments, etc. to add exceptional notes to your PDF document.
  • Add eSignature to PDF: eSign your document with various available options.
  • Edit PDF: Split, crop, rotate, and add/remove pages to/from PDF documents with the versatile PDF editor tool.
  • Unlock PDF: Unlock your PDF documents with the PDF password removal features.

How to Reduce PDF File Size to 500 KB: FAQs

How to Compress PDF to 500KB on Windows 10 for Free?

To compress PDF to 500 KB or less on Windows 10 for free, you need the best PDF compressor PDFgear. With it, you can easily compress PDF files by dragging and dropping the PDF files into the web-based converter, and it’s completely free.

Does PDFgear Support Strong Compression?

PDFgear supports strong compression, it is a powerful online PDF compressor featuring an astonishing compression ratio of 90%. With it, you can significantly reduce the size of your PDF documents.

How Do I Extremely Compress a PDF?

To extremely compress a PDF on Windows 10, Windows 11, Mac, Linux, Chromebook, laptops, and mobile phones, you need the best free online PDF compressor PDFgear. With it, you can compress PDF files at up to a 1:10 compression ratio, with insignificant quality loss

Which Operating Systems are Supported?

PDFgear is a cross-platform PDF compressor that allows you to compress PDF files on Windows 10, Windows 11, Mac, Linux, Chromebook, laptops, and mobile phones.

Does PDFgear Work on Mobile Phones?

Yes, PDFgear is a cross-platform online service that works on Windows, macOS, Linux, Android phones, and iOS phones. On your mobile phone, you can access PDFgear from: and convert/compress your PDF documents with ease!

What’s the Best PDF Compressor on Windows 10?

PDFgear is the best free PDF compress for Windows 10, Windows 11, Mac, Linux, Chromebook, laptops, and mobile phones. It’s free to use, safe, and watermark-free, it has extensive file types support, and it features fast and high-quality conversions as well as compressions.

Which File Types are Supported?

PDFgear supports a wide scope of input and output file formats including PDF, Word, Excel, PPT, JPG, HEIC, etc.

Is PDFgear Safe?

PDFgear is a completely safe and clean service. PDFgear is TSL encrypted and PDFgear does not save your files. Upload files will be permanently deleted once the browser is shut down.

Do I Keep the Original File?

Yes, when compressing PDF files on PC or mobile with PDFgear, your original file stays intact, and you get to keep the original file.


That’ll be all about the best PDF resizer tool and how to reduce PDF files to under 500 KB. I hope you like the online tool PDFgear since it’s really practical, multifunctional, and powerful. So if you haven’t tried it already, don’t hesitate to compress your large files with it.

And please bookmark this post if you need further instructions on compressing documents in the future!