Compress PDF to 350kb easily with pdfFiller For Free

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Last updated on Dec 29, 2025

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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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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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What our customers say about pdfFiller

See for yourself by reading reviews on the most popular resources:
At first, I was intimidated by all the different prompts and directions but after a short while I was able to figure things out. It was intuitive and easy. Also, with a little practice, I was able to line up the cursor to where I want the letters to show. For someone who is using this service for personal use (not business) the cost is slightly prohibitive. So I would probably only subscribe when I really need it and can't find a more reasonable alternative. I have been recommending this service to friends and family for sometime now. I am sold on it.Thank you.
Al Y
2015-09-02
When trying to save a completed document to my hard drive it becomes confusing. I cannot find the saved files anywhere. Other than that the program is great.
jACK
2017-08-09
I was online with 3 support people and they were great !! They went over with me what I needed to do . The all earned a gold star today.Thanks for having your sight
Linda B
2018-01-31
What do you like best?
No more printing and filling out forms by hand.
What do you dislike?
I used to be able to upload a signature from an iPhone photo, and it could be placed on a document in a way that it look like it was written there, and not a pasted photo. I liked this and cannot seem to do this anymore.
What problems are you solving with the product? What benefits have you realized?
It's amazing how many forms still need to be filled out by hand in this age of tech and no typewriters. Printing documents, hand writing, then rescanning to a recipient is messy, time consuming and wastes ink and paper. Besides, make a mistake, and you need to start over with a new form. And don't get me started with "white out." PDFiller streamlines all this and results in a very neat, professional looking document. I do lots of contracts, and don't always get red-line drafts to work with. I can use PDFiller do do red-lining (word-processing changes to early drafts) and send them right back to the counter-parts. Then with the final draft the PDFiller signature feature allows me to initial or sign, and send - again without printing/rescanning. Since for many transactions e-transmitted signatures, as opposed to "wet" signatures, has become standard and legally acceptable the process is now a breeze. And if I still have to go back for further revisions the prior versions are all saved in PDFiller.
Thomas Jennett
2019-08-16
PDFiller is a must have . PDFiller is a very easy to manage . I benefit from it cause it not only has what you need but you can save and reference back to it by just a click of a button and I also like how you can customize it your personal liking . I work for family practice and I am always utilizing PDFiller . Looking for a form or needing to reference back to one PDFiller makes it so easy I love it . It's simple , quick and if I ever had any questions there customer service is always standing by to help . There's nothing I dislike . I just wish I known about PDFiller sooner
Jennifer W.
2019-01-21
Slow to pick up Begginer, end result?, Exactly what i was needing in an editing app editing was a little complicating at first, once i self educated thouigh, i was OFF!!!!! Great program, Thank You
TWayne
2023-08-02
I used the free trial to compile rent due ledgers for the ************** requirement. I did not cancel on time and was charged $180 dollars. I reached out to support and ****** returned my email within minutes. I provided my information to customer service specialist ****** and he fixed the problem. There wasn't any back and forth emails. It was straight to the point. Thank you ****** for being quick and professional.
Melissa H
2022-04-05
Great but just too expensive Great but just too expensive. Especially considering we are already subscribed to so many other SaaS, this feels over priced.
Tech Mom
2021-10-20
PDFfiller is very customer focused. When I emailed them they responded immediately and followed up with me to assure my questions were answered. I would highly recommend this company.
Cheryl P
2020-06-04

How to Compress PDF to 350kb

To Compress PDF to 350kb, follow these steps

01
Navigate to pdfFiller and login to your account
02
Click Add New to upload a document you would like to compress. Search for the file you need on your device or one of the supported storage services
03
Alternatively, browse the pdfFiller library for the template you need
04
If you have the file uploaded to your account already, go to My Documents to find it
05
Click the Split option in the right-hand menu to Compress PDF to 350kb
06
Specify the pages you want to separate from the original file
07
Alternatively, you can divide the document in a half and keep specific pages in it
08
Add a title to each document or leave them as is
09
Click Split
10
Save the results and click Download Now

Compress PDF to 350KB Feature

Are you struggling with large PDF files? Our Compress PDF to 350KB feature offers a reliable solution to reduce file size without sacrificing quality.

Key Features

Reduces PDF file size to 350KB quickly and effectively
Maintains the quality of images and text
User-friendly interface for quick navigation
Compatible with various devices and operating systems
No installation required, use it directly online

Use Cases and Benefits

Easily share PDFs via email without size restrictions
Upload documents to cloud services more efficiently
Save storage space on your devices
Enhance download speeds for users accessing your files
Facilitate smoother collaboration by managing document sizes

This feature solves your problem by allowing you to compress large PDFs quickly. If you encounter file size limits or slow loading times, our tool helps you get back on track. By reducing the size of your PDFs, you can enhance usability and improve communication. Use it anytime you need a compact PDF, and enjoy fast results.

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How to Compress a PDF to 350kb with pdfFiller

Compressing a PDF file to a smaller size can be useful when you need to send it via email or upload it to a website. With pdfFiller's Compress PDF to 350kb feature, you can easily reduce the file size without compromising the quality of your document.

01
Open the pdfFiller website or app and log in to your account.
02
Upload the PDF file you want to compress by clicking on the 'Upload' button.
03
Once the file is uploaded, click on the 'Compress' option in the toolbar.
04
In the pop-up window, select the '350kb' option from the 'Target File Size' dropdown menu.
05
Click on the 'Compress' button to start the compression process.
06
Wait for the compression to complete. The time taken will depend on the size of your PDF file.
07
Once the compression is finished, you can download the compressed PDF file by clicking on the 'Download' button.
08
Review the compressed PDF file to ensure that the quality and content are preserved.
09
If you're satisfied with the compressed PDF, you can now share it via email or upload it to a website.

By following these simple steps, you can easily compress your PDF file to 350kb using pdfFiller's convenient feature. Enjoy the benefits of a smaller file size without compromising the quality of your document!

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?
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How To Reduce PDF File Size Below 100 KB for Free to the Compress PDF tool. Drag and drop your PDF into the toolbox to reduce the file size. Choose the compression type and click “Compress.”The PDF compression tool will shrink the file down. Download the shrunken PDF.8 Oct 2021
Select the DPI (dots per inch) of the document in the DPI scroll box in the Scanner settings dialog. The DPI option sets the resolution in dots per inch. You can normally choose among values between 100 and 400 DPI.
How To Reduce PDF File Size Below 100 KB for Free to the Compress PDF tool. Drag and drop your PDF into the toolbox to reduce the file size. Choose the compression type and click “Compress.”The PDF compression tool will shrink the file down. Download the shrunken PDF.08-Oct-2021
You can magnify or reduce a PDF by an exact percentage. Choose File > Print. From the Page Scaling pop-up menu, select Tile All Pages to expose the Tile Scale % option. For Tile Scale, type the percentage you want to magnify or reduce the PDF. Click OK or Print. Jan 7, 2022
Remove unnecessary images, formatting and macros. Save the file as a recent Word version. Reduce the file size of the images before they are added to the document. If it is still too large, save the file as a PDF.
On your copier/scanner/printer Before scanning your document, go to the home screen on the copy machine. Click on Advanced Settings. Click on Resolution. Change the dpi to a lower number like 200 dpi.

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