Resize 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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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
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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+
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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:
A really great, easy to use software! I looked at many different PDF programs and found that this one, not only is better, but is cheaper to use. THANK PDF filler!!
Melanie J
2014-09-04
as an insurance broker I encounter too often forms from insurance companies that are not editable yet. Which makes preparing them for our clients some stupid and unncessary extra work (and for the clients to finish them). PDFfiller is a great tool to help with that in q fast and easy way.
Patrick O. O
2019-03-01
The software is easy to navigate and user friendly. Not paying the Adobe prices. The software is very intuitive which is reduces time determining and understanding feature sets about the tool. Some features require a different level of membership which cost more and should be included with the basic package.
Gregg H.
2017-11-14
I had to start over, from hitting the wrong "back up", but have it okay now. I don't expect to need it again, but this software made it much easier. Thank you!
Martin Dornan S
2021-10-04
Appreciate to keep the pricing say… Appreciate to keep the pricing say within $10 and max of say 10 docs instead of $20 per month. No contract please
MAYA SRINIVASAN
2020-12-29
Handy service. Swift support. I am amazed Let me share with you my experience frankly. I needed to edit a one single pdf document. Found this service. Registered for a free trial. Edited the document swiftly and smoothly. And forgot about it. Till the moment I received a charge for the yearly subscription. Which, admittedly, is not low at all (though may be reasonable to those who use this service).Anyway, I contacted pdfFiller support team, and I was surprised by both: 1) the fact that they immediately agreed to issue a refund, as it met their policy (I canceled in less than 24 hours, actually, immediately) 2) that even though they told that I will receive the money back within 1-5 business days - I got it within a few minutes. I am perplexed. The only pity really is that I can't afford it
Andrey Khorokhordin
2020-12-23
What do you like best? It is very easy to use and user friendly. It is also easy to add fields and fill them in. When I am creating a document, I can also easily share them with each of our employee accounts. I also like how I am able to remove an employees account from having access to the documents with a click of a button. What do you dislike? I wish our technicians were able to use the app without internet service. In some cases, we do not have access to service, and we are unable to fill out our paperwork. It would also be nice to be able to add more than 4 other people to the account without having to get a corporate account. Recommendations to others considering the product: It has all you could ever need all in one place. We have used the SignNow and faxing features, in addition to the typical use for pdfFiller. What problems are you solving with the product? What benefits have you realized? We are able to keep all of our paperwork in one place, and the technicians are able to access it on their phones. This has made it easier to make sure all technicians are getting the correct paperwork for every job, and with the different accounts, we are able to hold the technicians accountable.
Randel Lamirande
2020-11-19
No issues. Seamless experiences thus far. Seamless and easy experience; live chat experience was seamless as well; the live chat operator was very helpful and courteous; my issue was resolved very quickly.
tracyetaitici
2020-06-24
Free trial review I'm a student and used the free trial. It was quite easy to use. In addition to that, I forgot to cancel my subscription, but they had an online chat that handled that quickly and efficiently which was very appreciated. Overall a good experience.
A.I
2020-06-07

An easy-to-follow tutorial on how to Resize PDF Size less than 400kb securely

Every single byte is important when you share a document with someone online. You or your recipients can quickly use up storage simply because you’ve shared many big files. Fortunately, there’s a way you can Resize PDF Size less than 400kb so that you manage your documents with a more streamlined approach.

pdfFiller enables you to make documents compact in just a couple of minutes. Additionally, you don’t have to worry about safety in the process. Our solution has the framework adopted to protect your documents online.

How to Resize PDF Size less than 400kb online

Follow these simple steps and discover how to securely change your file’s size online.

01
First, create or sign in to your pdfFiller account.
02
Click the Add New button to import your document.
03
Upload your file by selecting the available file-importing option.
04
Hit Upload to My Docs if your file doesn’t need editing.
05
Click on the ellipsis symbol next to the added file → Manage documentsSplit.
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Choose the pages you want to split from the original file → hit Split.
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Once processed, you can save your document to your online storage location or download it onto your device.
08
Add an extra layer of protection by creating a password. This option can be accessed in Manage documents menu.

If you’re bogged down with your task and can’t proceed to Resize PDF Size less than 400kb, you can always rely on the dedicated support members.

Besides the feature to Resize PDF Size less than 400kb, you can also take advantage of a set of other tools by pdfFiller that will make your file editing experience more secure and organized. Edit, annotate and eSign and make your forms interactive with fillable fields. In addition, we provide a vast library of ready-to-use file templates and a powerful document creation solution to create files from scratch.

pdfFiller takes little time to grasp and run. You can easily switch from laptop and mobile and access or continue modifying paperwork from anywhere. Try our tool for your routine tasks!

Effortlessly Resize Your PDF File Size to Less Than 400KB

Managing PDF file sizes can be a challenge, especially when you face upload limits. Our feature allows you to easily resize your PDF files to less than 400KB, simplifying your document sharing process.

Key Features

Quick and easy resizing of PDF files
Compress files to under 400KB without compromising quality
User-friendly interface for all skill levels
Compatible with various devices and operating systems
Secure processing of your documents

Potential Use Cases and Benefits

Sending PDFs as email attachments without exceeding size limits
Uploading documents to websites that require file size restrictions
Archiving and storing documents efficiently
Facilitating easier file transfers between devices or cloud services
Enhancing online application processes that require smaller file sizes

You may often encounter difficulties when your PDF files are too large to handle effectively. Our feature addresses this issue by allowing you to resize your documents quickly and easily. By compressing your files to less than 400KB, you can share, upload, and store your PDFs with confidence. This solution not only saves you time but also ensures you can meet the requirements of various platforms and services.

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!

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 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 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.
To reduce the size of your PDF, open the file, then go to Convert > Compress. This will bring up a menu where you can choose the compression level, from smallest to largest (file size). At the smallest option, with file compression and image resampling set to 150 dpi, our 11,775MB file got compressed to 261.53KB.

Video guide about Resize PDF Size less than 400kb

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