Compress 39kb PDF to 5mb PDF easily with pdfFiller 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

Compress 39kb PDF to 5mb PDF easily with pdfFiller

To compress a 39kb PDF to a 5mb PDF easily with pdfFiller, simply upload your PDF file, select the desired compression level, and click 'Compress.' Your optimized PDF will be ready for download within minutes.

What is a PDF file?

A PDF (Portable Document Format) file is a versatile file format created by Adobe that preserves the formatting of documents, making them viewable on any device, regardless of software. It is often used for sharing documents securely and retaining their integrity across various platforms.

Why is compressing a PDF essential for document management?

Compressing PDFs is crucial for efficient document management as it reduces file sizes without losing quality. This is especially important for sharing, uploading, and storing documents, as many platforms impose size limits. Smaller files save storage space, optimize loading times, and improve email transmission.

What are the key features of pdfFiller for compressing PDFs?

pdfFiller offers a seamless PDF compression tool equipped with a variety of features, including customizable compression settings, batch processing capabilities, and support for multiple file formats. This makes it an invaluable tool for both individuals and teams managing large volumes of document editing and sharing.

  • Customizable compression settings that allow users to choose the balance between quality and file size.
  • Batch processing that enables users to compress multiple PDF files simultaneously.
  • Compatibility with various file formats beyond PDF, enhancing flexibility in document management.
  • User-friendly interface that simplifies the compression process for all skill levels.

Which file formats are supported by pdfFiller?

pdfFiller supports a range of file formats for compression, including PDF, DOC, DOCX, XLS, and XLSX. This extensive compatibility ensures users can work with diverse document types without the need for additional software.

What are the compression levels and customization options available?

pdfFiller provides several compression levels to choose from, including low, medium, and high. Users can customize their selections based on their specific needs - whether they require higher quality for presentations or smaller sizes for easy emailing. This customization empowers users to optimize their PDFs effectively.

How can you process multiple PDFs at once with pdfFiller?

Batch processing is made easy with pdfFiller. Users can select multiple PDF files to compress simultaneously, saving significant time and streamlining workflow. This feature is particularly useful for businesses that regularly handle a large number of documents.

How to compress a PDF using pdfFiller: step-by-step guide

Using pdfFiller to compress your PDF is straightforward. Follow these steps:

  • Visit the pdfFiller homepage and log in or create an account.
  • Select the 'Compress PDF' option from the dashboard.
  • Upload your 39kb PDF file.
  • Choose your desired compression level.
  • Click 'Compress' and wait for the process to complete.
  • Download your compressed PDF.

What are the benefits of using pdfFiller for PDF compression?

Using pdfFiller for PDF compression offers numerous advantages, including time savings, simplicity, and effective document management. The platform's cloud-based architecture ensures access from anywhere, giving users flexibility and convenience.

  • Easily share compressed files via email or cloud services.
  • Maintain quality while significantly reducing file size.
  • Cloud accessibility allows for work from any location.

What are typical use-cases and industries benefitting from PDF compression?

Various sectors benefit from PDF compression, including education, finance, healthcare, and legal industries. For example, educators can share course materials, while businesses can send financial reports without the hassle of oversized attachments.

How does pdfFiller compare to alternatives for PDF compression?

When comparing pdfFiller to other PDF compression tools, pdfFiller stands out with its robust feature set, including batch processing and a user-friendly interface. While many alternatives may offer basic compression options, pdfFiller’s comprehensive functionalities optimize both efficiency and ease of use.

What is the conclusion?

In conclusion, if you're looking to compress a 39kb PDF to a 5mb PDF easily, pdfFiller provides an efficient, user-friendly solution. With features like customizable compression levels, batch processing, and wide file format support, it is the go-to choice for individuals and teams aiming to simplify their document management tasks.

Try these PDF tools

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Compress
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Create from scratch
Start with a blank page.
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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
High Performer - Summer 2025
Regional Leader - Summer 2025
I have been looking for a "filler" and to date have never been satisfied until I came across PDF Filler. So, far it has more than met any expectation I would have had and I look forward to using it in the future.
Carole H
What do you like best?
This program is user friendly. Very easy to use with icons and symbols that make to simple to navigate and get the document filled in, saved, emailed or printed very easily. I highly recommend this program for any size business that has PDF documents to fill out
What do you dislike?
There is nothing to dislike. I will say the steps to print. Really nothing to dislike.
What problems are you solving with the product? What benefits have you realized?
Professional documents being filled out and my associates really appreciate this.
User in Construction
It is easy, so relax and just do what you need to do. I am so very, very pleased with how easy the program is to use. I tried others for this emergency situation and was frustrated out of my mind with the complicated programs. This one is easy, easy and very effective.
Irma Quinn
The level of communication the team has… The level of communication the team has is second to none. Best customer experience. I recently tried the free trial, I forgot to cancel after the free trial because I needed their service @ that time only. When then cancel my subscription I didn't get a refund, but the team explained to me why that happed if do want a refund what should I do.I then followed the steps and within the time they said , I got my refund. Keep up the great work team
Haseeb Amjad
Awesome program for small business, very easy to work with and use , the amount of options available is top notch. Love it! Will definetly be adding this program to our business software. Thanks
March Drywall And P
super easy experience easy to use and understand, very straightforward. took me under 10 min to do what i needed from finding the website to downloading the edited document.
reb
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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!
1--Log in to a pdfFiller account. 2--Upload the file and open it in the editor. 3--Click on the Compress document button on the toolbar. 4--Choose the document quality and format if a conversion is needed.
From the hamburger menu (Windows) or the File menu (macOS), select Save As Other > Optimized PDF, or go to All tools > Compress a PDF, and then select Advanced Optimization. The PDF Optimizer dialog opens. Select Audit space usage in the dialog.
How to convert JPG to PDF 5MB? Start by selecting the JPG on the best convert JPG to PDF 5MB tool. Preview selected JPG image on the PDF converter. Customize page orientation, size, margins, and more. Adjust the file quality to 5MB or less as required. Download the converted PDF file in your preferred size.

Compress documents with a trusted solution

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