Best PNG Image File Size Reducer Online and Offline Tools

PNG is taken from the words Portable Network Graphic. It is frequently seen on websites for storing graphics. Its ability to handle transparent and semi-transparent makes it desirable for web designers, along with the ability to display high-quality images. Compared with JPEG, it offers a lossless, brighter, and broader color palette.

For this reason, PNG is usually categorized in large file size image format. It will be much larger than JPEG, taking up more disk space on your device. Moreover, due to its detailed image data resulting in large file sizes, pages are slower to load and respond on the web. Fortunately, file size compressors for PNG are developed for this kind of need. Start resizing your PNG photos using the programs below without talking too much.

PNG Size Reducer

Part 1. Top 5 PNG Size Reducer Tools

1. Aiseesoft Image Compressor Online

Aiseesoft Image Compressor Online manages to produce great quality photos with the smallest size possible. It features a preview that displays the before and after size of the photo. In this way, you will be able to check if the photo was optimized properly. Furthermore, the program is an excellent tool for batch processing. With it, users can upload up to 40 images at a time and compress the photos individually.

Apart from that, it also comes with a super AI technology that is responsible for compressing files at a swift speed while maintaining quality. On top of that, it supports various image formats, including JPEG, JPG, GIF, SVG, and PNG. Learn how to use this file size compressor online by following the steps below.

Step 1:
First and foremost, access your favorite browser and visit the program's official website. You should reach the home page of the tool. From here, click the Add Images and import the photo(s) you wish to compress.
Add Image Files
Step 2:
Wait for the images to be compressed. After that, the image(s) will be automatically compressed to small file sizes. Then, you will see the before and after sizes of the photos.
Compress Images Files
Step 3:
Now, download the compressed photo. If you wish to download it individually, hit the Download button associated with your desired photo. On the other hand, you can save all the compressed photos by clicking the Donwload All button.
Download Save Compressed Pic

2. TinyPNG

Another online PNG size shrinker you can use to compress the PNG image field in bulk is TinyPNG. The program allows you to upload and optimize all at the same time. Likewise, it generates great quality photos. Hence, excellent quality is expected after compressing with TinyPNG. Moreover, you can save your processed photos to Dropbox if you want your files to be downloaded to the cloud. Above and beyond, the drag-and-drop feature of the tool makes it convenient to upload your photos. You can rely on the steps below to help you resize your PNG files using this tool.

Step 1:
The same drill, get to the program's official page using any browser on your computer.
Step 2:
Next, drag the photos to the website, click the upload icon, and select your desired photos to optimize.
Upload a Photo
Step 3:
Once uploaded, the photos will be instantly compressed. You should see that the photo is reduced in size.
Step 4:
Now, tick the Download button to save the photo or hit the Save to Dropbox to save it in the cloud.
Save Compressed Photo

3. ILoveIMG

ILoveIMG is also a browser-based program that enables users to reduce the size of PNG, GIF, and JPG image files online. It has a straightforward interface that speeds up the process of shrinking image file size. Besides uploading from your local drive, you also have the ability to import photos from Dropbox and Google Drive as you please. Therefore, if your photos are saved in cloud storage, you can conveniently upload them to the program. Beyond that, this tool can also work as a PNG file size converter since it facilitates converting PNG to JPG. On the other hand, follow the instructional guide to shrink PNG images.

Step 1:
Visit the main website of the program with your commonly used browser on your computer.
Step 2:
Hit the Select images button and choose the photo you want to shrink. Alternatively, you may drag your selected photo to upload.
Select Images Button
Step 3:
Next, click the Compress IMAGES button at the bottom right corner of the interface. Then, the photos' size will shrink immediately.
Process Photos
Step 4:
You can take another operation in the next window, such as rotating and converting images. Finally, click the Download compressed IMAGES to save and download the processed photos.
Donwload Processed Photos

4. Optimizilla

Optimizilla works well with PNG and JPG files. It also facilitates batch processing, allowing you to upload 20 images and constrict them at once. Aside from bulk image processing, you can take advantage of its photo optimize slider to reduce the photo's color or adjust to control the compression level, which is associated with its file size. This feature will show you the old and new sizes of the picture. Here is a step-by-step process on how to use this program.

Step 1:
Access any web browser on your computer and visit the official site of the tool by typing its link on the address bar.
Step 2:
Next, click the UPLOAD FILES button and select the photos you wish to shrink. Also, you can drop your images to the tool's upload area to import a photo.
Import Photos
Step 3:
After that, the uploaded photo will be compressed automatically. To further shrink the photo's file size, scroll down the page and move the slider to get your desired file size.
Resize Photo Manually
Step 4:
Lastly, tick the Download button to save the compressed photo on your local drive. If you wish to download in bulk, hit the DONWLOAD ALL button.
Save Shrunk Photo


The last program but not least is PNGOUTWin. This program is perfect if you wish to work offline, especially when you do not always have internet access. It also works as a PNG file size converter due to its conversion capability. This program enables you to convert formats, including TGA, BMP, and GIF. On top of that, it facilitates a simple working interface that would make the process of compression fast and quick. By following the guidelines below, get to know more about this PNG size reducer.

Step 1:
Before anything else, go to the program's official page with a browser you commonly use.
Step 2:
After that, acquire the program and install it on your computer. Launch it afterward.
Step 3:
From the tool's main interface, click the Open a file to compress icon, and your file folder should appear. Then, select and double-click on your target photo. You may also click the icon next to it to add a collection of PNG files.
Add a Photo
Step 4:
Right after, the process of photo compression will commence. You will see the status and the size reduced in the photo.
Compress PNG Photos

Part 2. What is the Best PNG Size Reducer

To compare the reviewed tools, we prepared a table reviewing different aspects. Here, you will learn if the tool supports batch compression, what platforms they support, image formats, and how much percentage you can get from using a particular tool.

Tools Compression percentage in PNG Batch compression Supported image formats Platform
Aiseesoft Image Compressor Online 60-80% Yes PNG, BMP, JPG, JPEG, SVG, etc. Web
TinyPNG 50-80% Yes PNG, JPG, and WebP Web
ILoveIMG 5% Yes PNG, JPG, SVG, and GIF. Web
Optimizilla 54% Yes PNG and JPEG Web
PNGOUTWin 5-10% Yes PNG, TIFF, JPG, BMP, etc Desktop

Part 3. FAQs About PNG Reducer Programs

Can I compress PNG to 100 KB?

You can look for a program that compresses up to 80% to get your desired outcome. However, it is highly suggested that you use a program with AI technology like Aiseesoft, so the quality is not retained.

How do I compress PNG without losing its quality?

You can try your way out with programs infused with artificial technology. Also, do not compress the PNG photo too much, so you can preserve the quality.

How can I upload a large file?

When uploading a large file or PDF, you could remove the unnecessary photos or save them with a resolution of 96 DPI.


The post introduces the best PNG size reducer programs for desktop and online. Among the discussed tools, Aiseesoft Image Compressor Online is the most recommended one because of its ability to shrink photos without affecting the quality. That is due to its super AI technology. Still, it is up to you which program you will use after reading each program's review.

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