Shorten PDF File Size to 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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Last updated on
Dec 29, 2025
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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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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.
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.
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.
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.
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.
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What our customers say about pdfFiller
See for yourself by reading reviews on the most popular resources:
I'm happy with it for the most part. I think it's BS that you allow the eraser to be used on the 1st document and only when the customer goes to use it again, do you mention that it's an upgrade is bad business!!!!!! There's another issue but at the moment it escapes me.
2016-08-19
appreciate that this service is available. enabled me to perform billing on required government forms because I don't own a typewriter. a little difficult saving and retrieving forms however.
2017-02-07
So far great! Just wish we had more options on auto-page numbering. If your document has a cover or a forward like a book, those are pages you don't want numbers on.
2018-06-26
I like everything about this program, but I prefer to be able to create folders without tags and be able to fill out forms without NEXT bars popping up all the time - they are annoying. But my overall experience with this program is great!
2018-09-24
A very useful product, although a bit tricky (complex) to work with. I don't fill out enough PDFs to make a subscription worthwhile, even at the discounted 75%-off rate. Thank you for allowing me to try it!
2018-11-01
What do you like best?
That you allowed me to submit all that I had to the IRS.
What do you dislike?
That initially I could only submit 5 to the IRS.
What problems are you solving with the product? What benefits have you realized?
Electronic Submittals to the IRS.
That you allowed me to submit all that I had to the IRS.
What do you dislike?
That initially I could only submit 5 to the IRS.
What problems are you solving with the product? What benefits have you realized?
Electronic Submittals to the IRS.
2019-01-28
its great experience.... i found all tools what i needed for my task.. but it takes some time understand all that. now task done about 200 Dirham,,, feeling happy
2022-11-10
What do you like best?
It is very easy to use. You can move/resize text, revise previously changed documents, add digital or scanned signatures, and then share it by email, SMS, fax, etc. If I was going to design such a service, this is how I would do it.
What do you dislike?
The only dislike I suppose is the small annual fee; only thing I can think of.
Recommendations to others considering the product:
Use the trial offer
What problems are you solving with the product? What benefits have you realized?
I get alot of paper forms to fill out, intended to be completed by hand. But pdfFiller allows me to type on any form, after it has either been uploaded or scanned, and it looks very professional. Nothing can make the document better.
2020-08-31
Love it
PDF filler has simplified our entire document completion process. We use it for everything from employment benefits, court documents, and even financial management docs.
2020-07-16
Shorten PDF File Size to 400kb Feature
Efficiently reduce the size of your PDF files to 400kb with our streamlined tool. This feature is designed to help you manage your documents more effectively, ensuring easy sharing and storage.
Key Features
Compress PDF files to a maximum size of 400kb
Maintain the quality of content during compression
User-friendly interface for quick file management
Fast processing speed for immediate results
Supports multiple PDF formats for versatile use
Potential Use Cases and Benefits
Share documents via email without exceeding file size limits
Facilitate faster uploads to cloud storage or websites
Improve download times for clients and colleagues
Save storage space on your devices
Enhance accessibility for users with slower internet connections
This feature addresses the common challenge of large PDF files. By compressing your documents, you can overcome obstacles related to file sharing and storage. You no longer need to worry about rejection from email servers or slow upload times. With our tool, you gain control over your PDF files, making them easier to manage and share.
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
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 reduce PDF size to 70 %?
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.
How do I reduce the size of a PDF to send?
Open the Word document before saving it to PDF. Click File > Save As and select PDF in the file type. Then select Minimum size under Optimize to save the PDF file in a smaller size. Tip: If the file is still too big to email, you should compress the PDF file using a PDF program like Wondershare PDFelement - PDF Editor。
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 to 450kb?
How to Compress PDF to 450kb Go to the pdfFiller website and login or create a new account for free. Click the Add New button and browse for a file you need to compress, from your desktop or cloud storage. Alternatively, search for the documents from the pdfFiller library, enter the document's URL, or send it via email.
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.
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