Compress PDF 500kb Online easily with pdfFiller For Free

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Up to 100 MB for PDF and up to 25 MB for DOC, DOCX, RTF, PPT, PPTX, JPEG, PNG, JFIF, XLS, XLSX or TXT
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Last updated on Sep 26, 2025

Discover the simplicity of processing PDFs online

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Upload your document in seconds
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Fill out, edit, or eSign your PDF hassle-free
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Download, export, or share your edited file instantly
Top-rated PDF software recognized for its ease of use, powerful features, and impeccable support
Users Most Likely To Recommend - Summer 2025
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Every PDF tool you need to get documents
done paper-free

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Create & edit PDFs

Generate new PDFs from scratch or transform existing documents into reusable templates. Type anywhere on a PDF, rewrite original PDF content, insert images or graphics, redact sensitive details, and highlight important information using an intuitive online editor.
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Fill out & sign PDF forms

Say goodbye to error-prone manual hassles. Complete any PDF document electronically – even while on the go. Pre-fill multiple PDFs simultaneously or extract responses from completed forms with ease.
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Organize & convert PDFs

Add, remove, or rearrange pages inside your PDFs in seconds. Create new documents by merging or splitting PDFs. Instantly convert edited files to various formats when you download or export them.
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Collect data and approvals

Transform static documents into interactive fillable forms by dragging and dropping various types of fillable fields on your PDFs. Publish these forms on websites or share them via a direct link to capture data, collect signatures, and request payments.
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Export documents with ease

Share, email, print, fax, or download edited documents in just a few clicks. Quickly export and import documents from popular cloud storage services like Google Drive, Box, and Dropbox.
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Store documents safely

Store an unlimited number of documents and templates securely in the cloud and access them from any location or device. Add an extra level of protection to documents by locking them with a password, placing them in encrypted folders, or requesting user authentication.

Customer trust by the numbers

64M+
users worldwide
4.6/5
average user rating
4M
PDFs edited per month
9 min
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Join 64+ million people using paperless workflows to drive productivity and cut costs

Why choose our PDF solution?

Cloud-native PDF editor

Access powerful PDF tools, as well as your documents and templates, from anywhere. No installation needed.

Top-rated for ease of use

Create, edit, and fill out PDF documents faster with an intuitive UI that only takes minutes to master.

Industry-leading customer service

Enjoy peace of mind with an award-winning customer support team always within reach.

What our customers say about pdfFiller

See for yourself by reading reviews on the most popular resources:
Very useful service. Trying to create a fillable pdf is made simple. Although when it's downloaded, one or two areas are not fillable anymore so have to do it again.
Rebecca
2019-02-11
I do like the ease of use as this is the first time I have used a PDF application. I have just started using Adobe and unfortunately I think I like that better. Not positive yet.
Nicole
2019-12-02
Great tool for conversions Converting PDFs to spread sheets can be time consuming. This software is very functional, and eliminates the hassle. I like being able to convert my PDFs into the proper documents for further use. Most PDFs in their original form are totally unusable. I use this function to convert the document into a spread sheet. Great time saver. Nothing so far. Seems to be easy to use and very convenient.
Tami D.
2019-07-24
Excellent Product The product is offering me the ability to execute contracts/agreements on the fly no matter where I am. When traveling and a signature is required for contract execution, time is critical to completing the deal. PDFiller allows me to do that. PDFiller is simply the easiest and most useful product in its category. Simple to use and very user friendly. Honestly, it has done everything I have needed to for the past 3 years. If I had to say something, I would say maybe an easier way to save and send. But, that would be pushing it.
Verified Reviewer
2019-01-22
i have had a great experience so far it is much easier to file medical claim forms than having to buy that specific software i like how easy it is to import documents. I also like the ease of sharing, printing and storing documents Really the only thing i do not particularly care for is the difficulty adding the individual box for editable fields
sarah j.
2017-11-14
pdfFiller for Easy Fillable PDF Files I am a 78-year-old with a partially paralized right hand. I started using this product to make fillable PDF files for English as a Second Language students I volunteer to teach online. With the instructions found on the site I was able to upload a five-page document and then add text boxes to the pages. I opted for the automatic text box creation, an extremely quick process, and only had to do some minor clean-up of extra text boxes. Overall, love the program.
Sandra Wheeler
2023-01-28
If you have a lot of digital documents, you should use pdfFiller My overall experience is great! It's free and very easy to use, and I strongly recommend it for any student, teachers or professors, colleagues from work, and even for managers because during this pandemics, we all had to adapt our documents to digital format, and print them at home could be an issue for many people. I love to use this software because it's free and it allows me to sign digital documents from anyone in my company without having to print everything, sign it all, and then scan it, and e-mail it to the recipients. It's great because it has other checkmarks so you can add little details in case you are reading a contract or a file that needs reviewing. Positively, there are no cons for this software, as I have been using it for work and college matters, and it solves a great deal of signing important documents!
Bruna B.
2021-09-04
Everything is easily updated and saved… Everything is easily updated and saved with this program. It's easy to use and easily to learn. Thanks!
LINDA JENKINS
2021-03-27
Quick sign up, User friendly for beginners and love the functionality!! What made my experience great is that it was simple and easy to use, I had only used docusign once before and decided to try pdfFiller for some court papers that needed electronically signed immediately. It is super user friendly. Great pricing after the 30 day free trial. But my favorite part is the set up and how many different things you can easily do!!!!
Felicia
2025-05-10

How to Compress PDF 500kb Online

Learn how to Compress PDF 500kb Online using pdfFiller

01
Navigate to pdfFiller and sign in to your account or create one if you're a new member
02
Select Add New and browse for a file you need to Compress PDF 500kb Online, from your desktop or cloud storage
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Additionally, browse the pdfFiller library for the template you need
04
If you have the document uploaded to your account already, navigate to My Documents to find it
05
To reduce the size of a document, click on it and select Split in the right-hand menu
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Select the pages you want to extract from the original file
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Alternatively, divide the original file into several and indicate which pages to include in each
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Add a title to each document or leave them as is
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Click Split and wait for the process to finish
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Save the results by clicking Download Now

Compress PDF 500kb Online Feature

Experience the ease of reducing PDF file sizes with our Compress PDF 500kb Online feature. This tool helps you shrink your PDF documents quickly and effectively, making file sharing a breeze.

Key Features

Reduce PDF file size to 500kb or less
Easy and user-friendly interface
No software installation required
Fast processing speeds
Compatible with all devices

Potential Use Cases and Benefits

Share large files via email without size restrictions
Save storage space on devices and cloud services
Prepare documents for online forms that have size limits
Ensure quick uploads for websites and platforms that require smaller files
Enhance collaboration by making file sharing more efficient

This feature provides a straightforward solution to your PDF size problems. Whether you need to send documents for work, school, or personal projects, our compressing tool helps you meet size requirements without losing quality. You can work smarter and focus on what matters while we take care of your PDF file sizes.

Get documents done
from anywhere

Create, edit, and share PDFs even on the go. The pdfFiller app equips you with every tool you need to manage documents on your mobile device. Try it now on iOS or Android!

How to Use the Compress PDF 500kb Online Feature

We understand that file size can be a concern when it comes to sharing or uploading PDF documents. That's why we've developed the Compress PDF 500kb Online feature to help you reduce the size of your PDF files without compromising their quality. Follow these simple steps to make the most of this feature:

01
Access the pdfFiller website or open the pdfFiller app on your device.
02
Sign in to your pdfFiller account. If you don't have an account yet, you can easily create one for free.
03
Once you're signed in, click on the 'Compress PDF' option in the main menu.
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You will be directed to the Compress PDF page. Here, you can either drag and drop your PDF file into the designated area or click on the 'Choose File' button to select the file from your device.
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After selecting the file, the compression process will begin automatically. You will see a progress bar indicating the status of the compression.
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Once the compression is complete, you will be able to download the compressed PDF file. Simply click on the 'Download' button to save it to your device.
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Congratulations! You have successfully compressed your PDF file to a size of 500kb or less using the pdfFiller Compress PDF 500kb Online feature.

By following these steps, you can easily reduce the file size of your PDF documents without any hassle. Enjoy the benefits of a smaller file size while maintaining the quality of your PDFs. If you have any further questions or need assistance, feel free to reach out to our support team. We're here to help!

For pdfFiller’s FAQs

Below is a list of the most common customer questions. If you can’t find an answer to your question, please don’t hesitate to reach out to us.
What if I have more questions?
Contact Support
Open NXPowerLite offline file compression software. Drag your PDF file onto NXPowerLite. Hit the "Optimize" button to reduce file size. Check the reduction then share or send the smaller optimized file.
Select the PDF file that you would like to compress, then upload it to the PDF size converter for compression. Wait a few moments for your file to completely compress. After the process has completed, download and save your new, compressed PDF to your computer.
Select the PDF file that you would like to compress, then upload it to the PDF size converter for compression. Wait a few moments for your file to completely compress. After the process has completed, download and save your new, compressed PDF to your computer.

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Users Most Likely To Recommend - Summer 2025
Grid Leader in Small-Business - Summer 2025
High Performer - Summer 2025
Regional Leader - Summer 2025
Easiest To Do Business With - Summer 2025
Best Meets Requirements- Summer 2025