If you are a blogger or web designer, you might know the importance of PNG files. PNG is one of the most used image file formats that’s well-optimized for the web. However, PNG files are often oversized, especially if compared to JPEG.

PNG files contain lots of metadata, an overdose of colors, and other stuff. The good thing is that you can remove all those unnecessary data from PNG files to reduce their size. Hence, this article will share some of the best sites to compress PNG files.

Also Read: How to Resize Multiple Images at Once in Windows 10

15 Best Sites To Reduce PNG File Size Of A Photo

In this article, we will list down some of the best online photo compressors to reduce the file size of the PNG image. So, let’s check out the best online tools to reduce PNG file size.

1. Xconvert


Xconvert is a web-based tool that allows you to compress PDF file sizes for free. The web tool attempts to compress the PDF file without compromising its quality. It’s a no-watermark PNG compressor that optimizes your images for free.

Besides compressing the PNG files, Xconvert can compress PDFs, convert images to PDFs, merge images to PDFs, etc. Overall, Xconvert is an excellent site for reducing PNG file size.

2. CloudConvert


CloudConvert is an online PNG compressor that claims to reduce the PNG file size by up to 70% while maintaining its quality. The site’s interface is pretty clean and compresses your images in no time.

As per our testing, we found some quality loss, but that’s negligible. Besides compressing the PNG files, CloudConvert offers other web-based tools such as PDF Compressor, JPG compressor, Document converter, Font converter, etc.

3. Compress2GO


Compress2GO is a website that provides many useful tools for file compression. For example, you can compress images and videos, create archive files, and create ZIP files with Compress2GO.

Regarding PNG compression, Compress2GO allows you to select the compression level before compressing the file manually. Overall, Compress2GO is an excellent site for reducing the PNG file size of a photo on a PC.

4. Compress PNG

Compress PNG

As the site’s name says, Compress PNG is an online image compressor tool that focuses on PNG files only.

The best thing about Compress PNG is that it effectively reduces the file size without compromising image quality. Users need to upload the PNG file and click on the ‘Compress’ button to compress PNG files quickly.

5. Giftofspeed


GiftofSpeed is probably the best online image file compressor you can use today. However, unlike the previous one, GiftOfSpeed’s focus is not limited to PNG only.

It has a wide range of web tools to compress files. For example, you can easily compress PNG files, JPEG files, and Compress images, optimize JavaScript, Compress CSS, etc.

6. TinyPNG


When it comes to reducing a PNG file size, nothing seems to beat TinyPNG. TinyPNG is a website that promises to reduce the PNG file size without compromising the image quality.

It’s also one of the oldest PNG compressors available on the web, and it uses some lossy compressing techniques to reduce file size.

7. EzGIF


EzGIF is an all-in-one image compressor that you can use today. This is a web-based tool that you can use to compress every image file format.

The best thing about EzGIF is that it effectively reduces the file size of the PNG format. Not only that, but you can also use it to compress animated PNGs.

8. Image Optimizer

Image Optimizer

Image Optimizer is a free web tool to resize, compress, and optimize your image files. The site’s user interface is pretty clean and isn’t bloated with any unnecessary features.

Before compressing the image, you can set the optimization quality, max-width & height.

9. Compressor.io

Compressor.ioCompressor.io is another powerful online tool capable of reducing the size of any image format. Not just PNG, Compressor.io can also compress other image formats as well. The tool drastically reduces the size of your image files while maintaining the quality.

10. Iloveimg


If you are looking for a powerful image compressor tool that only focuses on PNG files, ILoveimg might be the best pick. Guess what? The web-based tool can drastically reduce the size of your PNG file format.

Apart from compressing images, it has other useful tools like converting image files, photo editor, meme generator, etc.

11. Compress or Die

Compress or Die

Compress or Die is an easy-to-use PNG image compressor that is super easy to use and is known for its lossless conversion.

The site is known for its State-Of-The-Art PNG compression algorithm that loses the file size of your PNG files while maintaining their quality.

Using this site is also very easy; visit the website and click the Select File button to upload the file. Once uploaded, select the compression level and click on the Compress button.

12. Zamzar Compress PNG

Zamzar Compress PNG

PNG Compressor from Zamzar is another best web tool that you can use to trim down the size of your PDF files.

PNG compression with Zamzar PNG compressor is super quick and tries to maintain the original quality. Moreover, the cloud-based PNG compressor is free and can compress unlimited PNG files.

13. SmallPDF PNG Compressor

Compress PNG SmallPDF

While SmallPDF is a cloud-based tool for PDF files, it also has a free PNG image compressor that works with all web browsers.

The PNG compressor of SmallPDF is cloud-operated; hence, compression speed won’t be an issue. It’s a good choice for lossless PNG compression.

On the site, you need to upload your PNG file in the PDF compressor. After compressing the PNG file, you get the option to save the file in JPG or PDF format. Overall, SmallPDF PNG Compressor is a great choice for PNG Compression without quality loss.

14. Online PNG Tools

Online PNG Tools

OneLine PNG Tools is an awesome website with various tools to manage your PNG files. One of those tools is PNG Resizer, which reduces the size of your PNG files.

The user interface of Online PNG Tools is pretty clean & nicely organized; you have to visit the site, select the PNG files you want to compress, set the tool options, and you are good to go.

The Online PNG tools will analyze your set parameters and will reduce its file size. It’s very easy to compress PNG files with this tool.

15. PDFFiller


PDFFiller is a website that provides you with a wide range of PDF management tools. Even though the site doesn’t specialize in PNG files, it has a PNG compressor that works well.

If you have any PNG files that are less than 25MB, you can use PDFFiller for free. The site claims to reduce your PNG file size below 1MB for free.

So, these are the best online PNG compressors you can use today. It’s worth noting that plenty of other online PNG compressors are available on the internet, but we have listed only the best ones.


  1. Thanks for the wonderful article related to the online image compressor. The tool which you have mentioned here is worthful.


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