Resize PNG File Size to 100kb 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
Based on 12500+ reviews
Last updated on Dec 29, 2025

Resize PNG File Size to 100kb with pdfFiller

How to Resize PNG File Size to 100kb

To resize a PNG file size to 100kb, upload your image to pdfFiller, select the resize option, adjust the compression settings to achieve the desired size, and then download the optimized file.

What is a PNG file?

A PNG (Portable Network Graphics) file is a raster graphics format that supports lossless data compression. It's widely used on the web due to its ability to maintain high-quality images while supporting transparent backgrounds. PNGs are ideal for graphics, logos, and detailed images.

Why is resizing a PNG file size to 100kb essential for document management?

Resizing PNG file sizes to 100kb is important for several reasons. A smaller file size ensures faster loading times for web pages, improves overall user experience, and minimizes storage costs for individuals and teams. Furthermore, smaller files are easier to share via email or upload to cloud services.

What are the key features of resizing a PNG file size to 100kb with pdfFiller?

pdfFiller offers intuitive tools to resize PNG files effectively. Key features include a user-friendly interface, customizable compression settings, and advanced image optimization technology to ensure quality while reducing size. These features make it simple to meet specific file size requirements.

Which file formats does pdfFiller support for resizing?

In addition to PNG, pdfFiller supports multiple file formats for resizing, including JPG, BMP, GIF, and PDF. This versatility allows users to manage a variety of image and document types in one platform, making process efficiency a priority.

What are the compression levels and customization options available?

pdfFiller provides various compression levels ranging from minimal to maximum, allowing users to control the degree of quality loss during the resizing process. Users can also customize settings based on their specific needs, like setting exact file sizes or adjusting dimensions.

How to utilize batch processing for large volumes of PNG file resizing?

Batch processing enables users to resize multiple PNG files simultaneously, saving time and effort. pdfFiller supports mass uploads, allowing you to select several files for quick resizing to the desired 100kb size, ideal for teams needing to process numerous images at once.

How to use pdfFiller to resize a PNG file size to 100kb: step-by-step guide

Follow these steps to easily resize your PNG files using pdfFiller:

  • Visit the pdfFiller website and log in or create an account.
  • Upload your PNG file by dragging and dropping or using the upload button.
  • Navigate to the 'Resize' tool option available in the editor.
  • Select your desired target size (100kb) and adjust any compression settings.
  • Preview the resized file to ensure quality meets your expectations.
  • Download your resized PNG file to your device.

What are the benefits of resizing PNG files via pdfFiller?

Using pdfFiller for resizing PNG files offers several advantages. The platform streamlines the workflow with easy file uploads, precise control over sizes and quality, and the convenience of accessing all tools in one location. Furthermore, the cloud-based platform allows for collaboration and document management, enhancing team productivity.

What industries and use-cases benefit from PNG file resizing?

Various industries can benefit from resizing PNG files, including graphic design, marketing, and eCommerce. Designers can optimize web images for faster loading times. Marketers can ensure that promotional materials look great while remaining lightweight. eCommerce businesses often need smaller images to improve site performance.

How does pdfFiller compare to alternatives for resizing PNG files?

While numerous online tools offer PNG resizing, pdfFiller stands out with its comprehensive PDF functionalities, user-friendly interface, and cloud-based collaboration capabilities. Alternatives may provide basic resizing but lack advanced features such as batch processing or integrated eSigning and PDF editing.

Conclusion

Resizing PNG file sizes to 100kb is essential for effective document management and ensures optimal performance on digital platforms. With pdfFiller, users can leverage a robust toolset for resizing PNGs while enjoying additional PDF functionalities. Experience seamless document creation and management, enhancing productivity for individuals and teams alike.

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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?

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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.

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Pretty good tool overall Pretty good tool overall, sometimes when you hit the Tab button it jumps to a field father down the page, but all in all really easy and accurate.
Rachel Leonhart
I had an issue w two text boxes auto… I had an issue w two text boxes auto filling - but was able to correct it on my own by deleting one and adding a new box.
Michelle Templeton
Makes My Job Easy I use PDFfiller to create contracts and purchase orders. For contracts, I typically input data into Excel, and then use PDFfiller to create the finished contract from my Excel data. For purchase orders, I use PDFfiller to edit document information, highlight items, and sign the document. This saves me the hassle of having to print out documents, edit them by hand, and then scan/fax them. Very happy with PDFfiller, as it most certainly makes my job easier. PDFfiller has all the features that I need for my documents: adding a logo, highlighting, and drawing. I also think that it's great how you can seamlessly use Excel data to fill out forms automatically. This is especially helpful when creating contracts. The price is a little steep for what I see as somewhat of a basic software concept; however, it's worth it in my opinion. There is also a decent learning curve, but once you get the hang of all features, you can automate things and fill out your PDFs very quickly.
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PDF Filler has been a great tool for our business for a professional look with a great price. Professional Look for a cheap price. The software makes filling out government documents / applications and other PDF documents easy and efficient. PDF Filler provides and saves time when filling out applications / tax papers / and other business files. It creates a professional look and is quite easy to use. With common files also at hand it makes filling these out quick and easy. The mail tool was even used when we completed our taxes. PDF Filler printed the paper out and mailed it themselves without us ever having to go to the post office. There isn't too much. If I could say anything sometimes the website moves a little bit slower than some. However this seems to have been improving lately.
Michael P.
The only problem is having to share my… The only problem is having to share my feedback right in the middle of doing my work. Otherwise, great product!!
DEAN LAWRENCE
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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!
How to make a PNG image smaller Scaling the image and canvas. The scaling and transform tool. Compress the PNG. Save without an alpha channel. Save in Grayscale or Indexed-Color. Make the image smaller. Save as another file format.
How to reduce PNG file size on Windows or Mac Reduce the dimensions of the image. Reduce the depth of colours (save a 32-bit image as a 24-bit or 8-bit image) Convert PNG to JPEG (using Export or Save As) Convert PNG to WebP. Remove the alpha channel/transparency layer, or.
PNG files are lossless compressed bitmapped images. While they are compressed, they can still attain large file sizes depending on the type of image data saved—they are best suited for images with large areas of solid colours and defined boundaries (such as logos).
Go to Preview and open your file from the File menu. Select Tools from the top menu and click on Adjust Size. Click or check the box beside “Scale proportionally” to maintain proportions before entering new values in the Image Dimensions box. Click save when you're finished editing the size.
How to make a PNG image smaller Scaling the image and canvas. The scaling and transform tool. Compress the PNG. Save without an alpha channel. Save in Grayscale or Indexed-Color. Make the image smaller. Save as another file format.
Compress a picture Select the picture you want to compress. Click the Picture Tools Format tab, and then click Compress Pictures. Do one of the following: To compress your pictures for insertion into a document, under Resolution, click Print. Click OK, and name and save the compressed picture somewhere you can find it.

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