Last updated on
Dec 29, 2025
Shrink PDF File Size less than 400kb 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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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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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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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 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.
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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 outraged that I had wasted 2 hours to fill in a form, only to realize that I couldn't afford what they were asking for me to print. So there was 2 hours wasted.
I sent an email to PDFfiller, explaining my outrage, but then they gave me 30 days free! So I could then print out my form, it wasn't a waste of time after all!
Great customer service.
2014-05-16
I love the site, I don't like all of the pop ups though! I constantly have to click out of the pop ups when opening a new form. That is my only complaint! But, all in all, I love this site and it helps me be more efficient.
2015-10-14
This program was easy to work with; however, I misunderstood that the forms I was trying to use were copyrighted and had to be completed in another manner. Customer service was very prompt in responding to questions; and, for the right forms, this would be an awesome service.
2019-06-06
Easy, reliable and very effective
Makes completing forms easy and professional. Easy to navigate, easy to find and upload forms and easy to send/save.
the only negative thing I could say is that I would like to have the font a different size and I have been unable to fit it correctly in some spaces.
2017-11-14
Really good platform.
Just try to fix the bug while opening documents at the dashboard.
The bug is the following:
Click on open item button
It will send to authentication page.
2024-03-26
I was able to fill out a form easily and print it out. I had an issue and logged a ticket, and even though it was not an application issue, the support team was prompt and willing to help.
2023-12-20
I subscribed to a trial period for the…
I subscribed to a trial period for the PDFiller product but forgot to unsubscribe when the trial period was over. Once I realized my error, I contacted the company and explained my error. Katrina in customer service had my refund processed within minutes. Thank you Katrina and, as I promised, when our company is financially able to afford this wonderful product, I will once again be a customer. This experience earned 5 stars because of Katrina's kind ear and quick action. Thanks to you, Katrina, and whoever trained you in customer service protocols.
2021-07-07
PDF Filler was very helpful preparing the documents. Questions were answered by the staff VERY PROMPTLY. I appreciate the assistance and directions to the questions I had.
2021-03-04
pdfFiller served my needs today
pdfFiller served my needs today. All I wanted is to be able to edit/remove account numbers from a PDF file. The experience was user friendly and cost effective.
2020-12-29
Shrink PDF File Size Under 400KB Feature
Struggling with large PDF files that are hard to share? Our Shrink PDF File Size feature helps you reduce your files to under 400KB effortlessly. You will find it easier to send documents via email, upload to websites, or store on your devices without consuming excessive space.
Key Features
Easily reduces PDF file size to under 400KB
Maintains the document's original quality
Quick processing time for immediate results
User-friendly interface for all skill levels
Compatible with various operating systems
Potential Use Cases and Benefits
Emailing large reports or presentations without file size restrictions
Uploading documents to cloud storage or websites effortlessly
Saving storage space on your devices
Enhancing the performance of document sharing applications
Making it easier to share files on social media platforms
This feature addresses your need for smaller PDF files by compressing them without losing essential information. This means you can share important documents easily and avoid frustrating size limits. Choose our Shrink PDF File Size feature and experience the convenience it brings to your online and offline tasks.
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 do I resize a PDF less than 100kb?
How To Reduce PDF File Size Below 100 KB for Free Go 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.
How do I reduce the file size of a PDF in 400kb?
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.
How do I compress a 400kb PDF to 200kb?
How to compress a PDF to 200kb or less. Open the Tools center and select Optimize PDF Tool. Select the file you want to compress. Choose Reduce File Size in the top menu. Select your options and file version compatibility. Rename and save your file.
How do I convert a PDF to 250 KB?
How to Compress PDF to 250kb Navigate to the pdfFiller website and login or create a new account. Click the Add New button and browse for a file you need to Compress PDF to 250kb. Additionally, browse the pdfFiller library for the template you need.
How do I compress a PDF from MB to KB?
How to Compress PDF MB to kb Go to the pdfFiller.com website and login if you're already a registered user or sign up. Click the Add New button and browse for a document you need to Compress PDF MB to kb. Additionally, search for the documents from the file library or enter the document's URL.
How do I compress a PDF below 400kb?
For pdfFiller's FAQs 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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