Resize PDF File Size to 4 mb 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

Resize PDF File Size to 4 mb with pdfFiller

How to resize your PDF file size to 4 mb

To resize your PDF file size to 4 mb, use pdfFiller's compression tool, which allows you to easily reduce the file size while maintaining quality. Simply upload your PDF, select the desired size option, and download the optimized file.

What is a PDF file?

A PDF, or Portable Document Format, is a file format developed by Adobe that captures document formatting and allows for sharing across various systems without losing the original appearance. PDFs are widely used for everything from forms and reports to eBooks due to their compatibility and security features.

Why is resizing a PDF file size to 4 mb essential for document management?

Resizing PDFs is crucial for several reasons. Smaller file sizes improve upload and download speeds, save storage space, and facilitate easier sharing via email or collaboration tools. For specific applications or platforms, adhering to file size limits - such as a maximum of 4 mb - ensures documents can be processed effectively without compatibility issues.

What are the key features for resizing your PDF file with pdfFiller?

pdfFiller offers a range of features for resizing PDFs. Its intuitive design allows users to compress files seamlessly without extensive technical knowledge. The platform also provides options for customizing compression levels and batch processing for users needing efficiency.

  • User-friendly interface for easy file uploads.
  • Multiple compression options to suit various needs.
  • Batch processing capabilities for handling multiple files.
  • Retention of document quality during compression.

Which file formats does pdfFiller support for resizing?

pdfFiller supports various file formats for resizing, including PDF, DOCX, JPG, and more. This flexibility allows users to work with diverse document types and convert compressed files back to other formats as needed.

What are the compression levels and customization options?

Users can choose from different levels of compression when resizing PDFs with pdfFiller. These levels typically include low, medium, and high compression, allowing users to select the balance between file size and document quality. Custom options can further refine the output to meet specific requirements.

How does batch processing work for resizing multiple PDF files?

Batch processing in pdfFiller enables users to resize multiple PDF files simultaneously, saving time and energy. Users simply upload all files to the platform, select the compression settings, and the platform processes all at once, providing output in a streamlined manner.

How to use pdfFiller to resize PDF file size to 4 mb: Step-by-step guide

Follow these steps to resize your PDF file using pdfFiller:

  • Open pdfFiller and log into your account.
  • Upload the PDF file you want to compress.
  • Select ‘Compress’ from the editing options.
  • Choose the desired compression level until the file size is 4 mb.
  • Download the resized PDF file.

What are the benefits of resizing PDF files using pdfFiller?

Utilizing pdfFiller to resize PDF files offers numerous benefits, including enhanced accessibility, reduced storage costs, and improved sharing capabilities. The ability to keep files under size restrictions while maintaining quality supports better collaboration and project management.

  • Reduced file size for easier sharing and storage.
  • Quick and efficient compression process.
  • High-quality outputs retain original document integrity.
  • Support for various file formats increases flexibility.

What are typical use cases and industries benefiting from PDF resizing?

Numerous industries can benefit from the ability to resize PDF files efficiently. Common use cases include administrative functions, academic submissions, medical records sharing, and more. Businesses and organizations often leverage this feature to conform to digital file standards.

  • Educational institutions submitting assignments or reports.
  • Healthcare providers sharing patient records securely.
  • Businesses sending invoices and contracts via email.
  • Marketing teams distributing promotional materials.

How does pdfFiller compare to alternatives for resizing PDF file size?

When comparing pdfFiller to alternative tools, consistency in quality and ease of use are significant advantages. Other tools may offer similar PDF resizing capabilities but often lack the comprehensive features, collaborative functions, or user-friendly interface that pdfFiller provides.

Conclusion

In conclusion, resizing PDF file sizes to 4 mb is a straightforward process with pdfFiller. The platform not only ensures optimal file size but also retains quality and offers a host of features that make document management efficient. Ideal for individuals and teams alike, pdfFiller positions itself as a trusted solution for all PDF-related needs.

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Compress, edit, sign, and manage documents from a single solution

Compress and edit PDFs in one place

Edit your PDF and compress it directly within the editor. Choose from high, medium, or low compression levels to balance quality and file size according to your needs.
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Equip yourself with powerful PDF tools

Edit PDFs online almost as easily as Word documents. Add text, adjust formatting, replace content, insert images, and more. pdfFiller has all you need to get your documents done from start to finish.
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eSign and send documents

Sign documents on your own or send them to others for signatures, whether a single recipient or an entire group. You can assign roles, manage the signing order, set reminders, and request additional authentication.
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Annotate and collaborate

Highlight important data, redact sensitive details, add sticky notes, and exchange comments in your PDFs. Then, instantly send documents for review or editing. You can also share files and folders with your team to boost collaboration.
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Organize and manage PDFs

Merge, split, rearrange, and convert PDFs into formats like DOCX, XLSX, JPEG, PNG, and PPTX. Secure your documents by locking them with a password or placing them in an encrypted folder.
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Secure files in the cloud

Organize your documents and templates in secure cloud storage and access them from anywhere. pdfFiller follows strict security regulations such as GDPR, HIPAA, PCI DSS, SOC 2 Type II, and others to help safeguard your data.
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How to compress your PDF?

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1. Upload your document

Upload a document from your device, cloud storage, email, or URL.
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2. Open a document in the editor

Edit your document and click the Compress button in the top menu panel.
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3. Set compression parameters

Select the file format, destination, and compression level, then hit Save.
Upload your document

Who needs this?

Explore how professionals across industries use pdfFiller to compress PDFs
Education
Real Estate
Healthcare
Finance
Sales
Insurance
Education

Education

Teachers and administrators can reduce file sizes for effortless sharing with pdfFiller’s compress feature, and enhance collaboration between students and educators with pdfFiller's tools designed for seamless collaboration.
  • Lesson plans
  • Student enrollment forms
  • Class schedules
  • Permission slips
Real estate

Real Estate

Real estate agents and brokers compress PDFs to quickly share documents with clients and colleagues via email attachments or a link. They also use pdfFiller to customize templates, ensuring everything is consistent and error-free.
  • Property listing brochures
  • Lease agreements
  • Sales contracts
  • Property management forms
Healthcare

Healthcare

Healthcare professionals use pdfFiller to create, fill out, and compress PDFs for secure document sharing and faster uploads to patient portals. Sending forms via links or embedding them on websites simplifies data collection and improves the patient experience.
  • Patient intake forms
  • Appointment schedules
  • Prescription forms
  • Consent forms
Finance

Finance

Financial analysts and accountants use pdfFiller to create, customize, and share financial documents. With the PDF compress feature, finance professionals can quickly convert documents in the right format, share and conveniently store them in the cloud.
  • Financial statements
  • Tax forms
  • Invoices
  • Expense reports
Sales

Sales

Sales teams use pdfFiller’s compress feature to easily share proposals and contracts with clients. Sharing documents via link or email helps speed up communication, close deals faster, and boost productivity.
  • Sales proposals
  • Quotation forms
  • Order forms
  • Customer feedback surveys
Insurance

Insurance

Insurance agents use pdfFiller to edit and compress documents like policy files, claims forms, and client onboarding materials for easy sharing and secure storage. With pdfFiller, they can share insurance documents via link or email to get them signed in seconds.
  • Insurance policy documents
  • Claim forms
  • Risk assessment reports
  • Client onboarding documents

Why compress documents with pdfFiller?

GDPR
AICPA SOC 2
PCI
HIPAA
CCPA

Optimize quality at the right file size

pdfFiller offers three compression settings and shows the estimated file size. Need a smaller file? Simply bump up the compression level.

Convert & compress in one go

Convert your PDFs to Word, Excel, PPT, JPEG, or PNG and compress them in one step. This lets you get documents in the right format and size without juggling multiple tools.

Export & share with ease

Download your compressed file, send it directly to cloud storage, or share it with others in seconds. With pdfFiller, you don't have to manually move files whenever you need to compress or convert a document.

Compress documents with a trusted solution

Try easy-to-use tools for all your document management needs.
Upload your document

pdfFiller scores top ratings on review platforms

Users Most Likely To Recommend - Summer 2025
Grid Leader in Small-Business - Summer 2025
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What do you like best?
I like PDFfiller pretty well as it is extremely functional.
What do you dislike?
Some free products do almost exactly the same job.
Recommendations to others considering the product:
Consider all of your options to truly find the best product for you in this area.
What problems are you solving with the product? What benefits have you realized?
This helps with my pdf files and is pretty similar to Acrobat pro. I prefer Acrobat pro to PDFfiller, but this is still very good software
User in Higher Education
What do you like best?
It is very convenient, efficient and easy to use.
What do you dislike?
The mobile version is not as efficient.
What problems are you solving with the product? What benefits have you realized?
It is very useful and a lifesaver when on the go and a document(s) needs completed and signing. It is less time consuming and saves paper as you do not need to print and complete/sign documents.
Administrator in Transportation/Trucking/Railroad
You can do absolutely everything you… You can do absolutely everything you need to do with a pdf! And it is nowhere near the cost of Adobe subscriptions.
Tom Trimbur
Have been utilizing PDF Filler on my last 3 temp assignments and now purchased a 1 year subscription Have been utilizing PDF Filler on my last 3 temp assignments and now purchased a 1 year subscription and the benefits are awesome except the price for the subscription is too high for someone that only uses this software weekly or biweekly! being able to type into PDFs, upload easily, fax directly from my computer and send to sign feature. Have been utilizing PDF Filler on my last 3 temp assignments and now purchased a 1 year subscription. I also like the black out feature and the way the software notifies you when someone opens your emailed over or faxed documents. The Price is way too much since i dont use it everyday like real software. Also, i bought a subscription and to use the advance features i have to pay more which is ridiculous since i already paid.
Jesse G.
A Time Saver for Any Business who deals with PDFs Extremely satisfied. We had no idea how much time we were spending on PDF management prior to PDF Filler. A huge benefit for us when we discovered this tool. We work in a heavy regulatory environment, so the ability to edit and amend PDFs quickly and in a compliant manner is huge. The Tool is amazingly user friendly and a huge time saver. We'd like to see them expand to different document sets. As our business grows we anticipate additional unique document types. It does PDFs well but it limited.
Verified Reviewer
This is a life changer This is a life changer! didn't even realise it was possible to directly type into PDF forms, this has made things so much easier!
Jane Sparkly
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Watch our PDF compress in action

Check out a quick video tutorial that shows how to compress any file into an editable PDF in three easy steps.

FAQs

If you can't find what you're looking for, please contact us anytime!
Compress PDF to a Chosen Size Online Go to the 'Compress PDF' online tool. Select your PDF, then drag and drop it into the tool. Choose either 'Basic compression' or 'Strong compression'. We'll also show an estimation of the compression rates here. Click 'Choose option' to compress your document. Download your PDF.
How to Resize a PDF Online for Free Go to the Compress PDF tool. Drag and drop your PDF into the toolbox. Choose the basic compression mode. The software will automatically shrink your file. Download your file. We'll also show you the new file size here.
Learn how to Compress PDF From KB to mb with pdfFiller Go to pdfFiller and login to your account or create one if you're new to the service. Click the Add New button to upload a document you need to Compress PDF From KB to mb. browse for the file you need on your device or one of the cloud storage services.
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.
How to Resize a PDF Online for Free Go to the Compress PDF tool. Drag and drop your PDF into the toolbox. Choose the basic compression mode. The software will automatically shrink your file. Download your file. We'll also show you the new file size here.
How to resize your PDF file 1Choose file. Select a PDF file to resize: upload the file from your computer or cloud storage service like Google Drive or Dropbox. 2Choose your resize PDF file settings. Slim your pages down, or help them bulk up! 3View and download.

Compress documents with a trusted solution

Try easy-to-use tools for all your document management needs.
Upload your document