Last updated on
Jan 16, 2026
Reduce 21 mb PNG File to 15 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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I am a slow learner...give me more time.I am 68 and not internet literate. It's better for me to fill out Government Forms through PDF Filler than in my own handwriting. It look very professional and understandable. It's like I got a Secretary. I would like to learn more about faxing and emails.
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How to Reduce 21 MB PNG File to 15 mb
Learn how to Reduce 21 MB PNG File to 15 mb using pdfFiller
01
Go to the pdfFiller.com website and login if you’re already a registered user or sign up for free
02
Click the Add New button to upload a document you would like to Reduce 21 MB PNG File to 15 mb; search for the file on your desktop or one of the supported storage services
03
Additionally, search for a document from the pdfFiller library or navigate to the document with direct link
04
In case you have the document you need in your account, simply go to the Documents section and find it there using the search
05
To Reduce 21 MB PNG File to 15 mb, click on it and select Split in the right-hand menu
06
Specify the pages you would like to separate from the original file by clicking on them
07
Alternatively, you can divide the document in a half and keep required pages in it
08
Add a title to each document or leave them as is
09
Now click the Split button and wait for the process to finish
10
Save the results by clicking Download Now to your desktop
Reduce 21 MB PNG File to 15 MB
Struggling with oversized PNG files? Our Reduce 21 MB PNG File to 15 MB feature helps you downsize your image without losing quality. You can make sharing and uploading images easier, ensuring you always have the right file size for your needs.
Key Features
Quick reduction of PNG file size from 21 MB to 15 MB
Maintains image quality during the reduction process
Easy to use with a simple interface
Compatible with various devices and operating systems
No installation needed, works directly online
Potential Use Cases and Benefits
Share images on social media without exceeding file size limits
Upload images to websites that have strict size requirements
Email high-quality images without hitting attachment size caps
Store more images on your devices without sacrificing quality
By using our feature, you can eliminate frustration when dealing with large files. This solution simplifies your workflow and enhances your productivity. With just a few clicks, you can achieve smaller files that still look great. Let us help you make your image handling easier.
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 PNG file in Windows?
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.
How to Compress a PNG Image Online:
1Start with our Compress tool upload your PNG.2Choose 'Basic Compression,' and hit 'Choose Option. '3On the next page, click 'to JPG. '4Wait for the conversion to finish.5Download your compressed PNG, now in JPG format.
How do I compress a PNG file without losing quality?
The best option to compress your PNG files without affecting image quality is using a program such as WinZip. This compression doesn't just save you a lot of space; you also get a more convenient way of storing them in archives, like compressed folders.
How do I reduce the size of a PNG image?
Tiny PNG is an online tool that uses lossy compression to reduce the file size of PNG images.
Way2enjoy is another online tool that uses same lossy compression to reduce the size of PNG, JPEG & GIF images.
ImageAlpha is a Mac tool that can reduce PNG files using pngquant, pngnq and posterization.
How do I compress a PNG file size online?
Start with our Compress toolupload your PNG.
Choose 'Basic Compression,' and hit 'Choose Option. '
On the next page, click 'to JPG. '
Wait for the conversion to finish.
Download your compressed PNG, now in JPG format.
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