Reduce PDF Size to 400 kb For Free

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Last updated on Jan 16, 2026

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What our customers say about pdfFiller

See for yourself by reading reviews on the most popular resources:
Only criticism is I tried to pay with my New Zealand AMEX and it was rejected and Amex NZ blocked the card sensing you were defrauding me! Payment went through via another card but only after the bank got my OK as it seems your company has some "black marks" and perhaps inadvertent links to some known fraudsters.
Michael L
2014-09-17
I found the system complicated for someone not very experienced with computers. I still do not know how to find, on your system, the forms that I have completed. Where are they? How do I save them to my computer? I will keep working to find the answers.
Sally G
2016-04-02
PDF Filler ease of completing the form - that makes it look much more professional than a hand written form. I like the ease of being able to put all my information in on any form. The software easily moves you from one field to the next to populate. Everything looks much more professional than a handwritten form. I don't like the fact that I cannot save my form. I can print it but it saves as a blank form. Maybe I am doing something wrong, since I just started using it, but it did not save what I put in.
Verified Reviewer
2019-03-15
First, the website works really well - lots of options to accomplish any task, pretty easy navigation, and reasonable pricing (one-time use is even free!). **************** is outstanding.
Dick Y
2022-12-12
YOU MAY DO A FINE SERVICE BUT WHEN FILING A GOVERNMENT FORM A CITIZEN SHOULD NOT BE SUBJECTED TO HAVING TO GIVE YOU A CREDIT CARD. WHAT IS THE DIFFERENCE BETWEEN THIS AND RANSOMWARE?
Anonymous Customer
2021-10-15
I absolutely LOVE this!!!!! I absolutely LOVE this stuff!!!! everything about it!!! i just wish it were free or cheaper but i'll be honest....its worth every penny
Jessica Stidham
2020-07-15

How to Reduce PDF Size to 400 KB

Follow this guide to Reduce PDF Size to 400 KB on pdfFiller

01
Go to pdfFiller and login to your account or create one if you're a new member
02
Click Add New to upload a document you need to compress. Search for the file you need on your desktop or one of the cloud storage services
03
Additionally, search for the documents in the file library or navigate to the document with direct link
04
If you have the document you need in your account, go to My Documents and find it there
05
Click the Split option in the right-hand menu to Reduce PDF Size to 400 KB
06
Indicate the pages you want to separate from the original file by clicking on them
07
You can also divide the original file into several and specify which pages to use in each
08
Type file titles to each of them or leave them as is
09
Click Split and wait
10
Click Download Now to save the results

Reduce PDF Size to 400 KB

Struggling with oversized PDFs? Our 'Reduce PDF Size to 400 KB' feature offers an effective solution. You can easily manage PDF files, keep them ready for sharing, and ensure they fit within file size limits.

Key Features

Compress files to 400 KB without losing quality
User-friendly interface for quick operations
Support for batch processing to save time
Compatibility with all PDF formats

Use Cases and Benefits

Send PDFs through email without exceeding size limits
Upload documents to websites that impose size restrictions
Store more files on your device by reducing file sizes
Share PDFs with clients or colleagues easily

By using our feature, you eliminate the frustration of dealing with large files. It empowers you to send, store, and share documents efficiently. Simplify your workflow and enjoy a smoother experience with reduced PDFs.

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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 Reduce PDF Size to 400 kb

Reducing the size of your PDF files can be beneficial in many ways. It helps save storage space, makes it easier to share files online, and improves the overall performance of your device. With pdfFiller's Reduce PDF Size to 400 kb feature, you can quickly and effortlessly compress your PDF files without compromising on quality.

01
Open the pdfFiller website or app on your device.
02
Sign in to your pdfFiller account. If you don't have an account, you can create one for free.
03
Once you're signed in, click on the 'My Forms' tab to access your saved PDF files.
04
Select the PDF file you want to reduce in size.
05
Click on the 'More' button located at the top of the page.
06
From the dropdown menu, choose the 'Reduce PDF Size' option.
07
A pop-up window will appear, allowing you to customize the compression settings.
08
In the 'Target Size' field, enter '400' as the desired file size in kilobytes (kb).
09
Click on the 'Apply' button to start the compression process.
10
Wait for the compression to complete. The time taken may vary depending on the size of your PDF file and your internet connection speed.
11
Once the compression is finished, you can download the reduced PDF file to your device or share it directly from the pdfFiller platform.

By following these simple steps, you can easily reduce the size of your PDF files to 400 kb using pdfFiller's convenient and user-friendly Reduce PDF Size feature. Enjoy the benefits of smaller file sizes without compromising on the quality of your documents!

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
Go to the Compress PDF tool. Drag and drop your PDF file into the tool, choose 'Basic Compression'. Wait for us to work on reducing its file size. Click download to save your PDF document.

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