3 Easy Methods to Scale and Resize a PNG with a Transparent Background
Last Updated on September 20, 2025 by Peter Wood
When you need to use a PNG with a transparent background to your websites or print out the painting, you have to scale and resize the PNG beforehand. It is difficult to retain the transparent background and keep the original quality at the same time. What are the best methods to scale and resize a PNG? Just learn more about the ultimate PNG resizer with 3 workable methods you should know.

Part 1: The All-in-One PNG Resizer for Windows and Mac
WidsMob ImageConvert is the all-in-one PNG resizer to scale and resize the PNGs with transparent backgrounds. It supports most of the photo formats, such as JPEG, JPG, TIF, BMP, RAW, DNG, HEIC, AVIF, and more. Besides the basic methods to resize the PNG with width, height, and resolution, you can convert PNG to WebP or AVIF without losing the transparent background. Moreover, it provides presets to resize PNGs in a batch process.
1. Resize PNGs with width, height, resolution, and other parameters in batch.
2. Custom the resizing preset to apply multiple resize settings within one click.
3. Convert and scale the PNG to WebP/AVIF with the transparent background.
4. Provide the AI upscale feature to enhance the original quality of the PNGs.
Part 2: How to Resize a PNG with a Transparent Background
To retain the original transparent background for the PNGs, you only need to resize the width, height, or resolution for the image as the other PNG resizers. Just learn more about the process below.
Step 1: Launch WidsMob ImageConvert after installation the program on your computer. Click the Add button to import the PNG files.

Step 2: Select and double click the PNG file, it will direct you to the edit page for resizing the PNG with multiple methods.

Step 3: Enable the Resize option in the menu bar and select a suitable option under the Mode menu to resize PNG files.
Resize PNGs by Width
Select the By Width mode from the list. Enter the desired pixels in the Width column and adjust the resolution.

Resize PNGs by Height
Choose the By Height mode from the list to enter the detailed pixels for the height of the PNG files before conversion.

Resize PNGs Percentage
Pick up the Percentage mode from the list. Enter 50% or less according to the size limitation in the percentage column to resize a PNG.

Resize PNGs by Free Mode
Select the Free mode, which enables you to adjust width edit, height, and resolution for resizing the PNG files accordingly.

Step 4: Once you have done, you can click the Batch Convert button to save the changes. Choose the PNG as the output format to retain the original PNG transparent backgrounds.
Part 3: How to Resize Multiple PNGs with Preset in Batch
If you need to resize PNG files frequently, such as company logos, the images for your websites, the passport portrait images, and others, you can custom a preset for batch process.
Step 1: Select any PNG you want to edit and adjust the parameters, such as Resize, Rename, Rotate & Flip, Text Watermark, and Image Watermark. Just preview the image before saving a preset.

Step 2: Click the Preset menu and choose the Custom option. To create a new preset for batch process, you can click the + icon and add a name to the new preset before saving it.

Step 3: For resizing other PNG files, you only need to import the PNG files and choose the name of the preset for resizing PNG file. It automatically resizes PNG as the one you saved.
Step 4: Just click the Batch Convert button and choose PNG, WebP, or AVIF as the output format. Moreover, you can also adjust the Quality slider to make a smaller PNG file before clicking the Convert button.
Part 4: How to Resize PNGs with Transparent Background to AVIF
Is there a method to resize PNG with transparent background without losing quality? It seems impossible, but there is a workaround to help you out. Just convert PNG to AVIF to reduce the file size, especially for websites.
Step 1: Open the desired PNG files, such as the website logos and banners within WidsMob ImageConvert. Both WebP and AVIF files retain the original transparent background of the PNG files with smaller sizes.

Step 2: Select the PNG files and make modifications, such as the watermarks and orientation beforehand. Of course, you can also use the presets to make the changes before converting PNG to AVIF.

Step 3: Click the Batch Convert button and select the desired files you want to resize. Instead of resizing the PNGs to the original file format, it will convert PNG to AVIF with a much smaller size.

Note: It should be an efficient method to reduce some complicated PNG files. Here you can find the comparison the file sizes between PNG and AVIF. It reduces about 50% of the file size and retains the original quality.
Conclusion
When you need to resize PNG files, WidsMob ImageConvert provides 3 easy methods to reduce the size of the PNG files. Whether you need to resize the PNG, reduce the quality, or simply make a smaller PNG with the original file quality, here are the workable methods you should know. Moreover, it enables you to rename the files, add watermarks, and even make a preset for batch PNG resizing in one click.