Bulk PNG compression
Select multiple images and compress the complete batch to PNG in one workflow.
Free Bulk PNG Compressor
Bulk PNG Compressor
Compress multiple images to PNG online at once. Upload almost any image file, set a target KB size, and download optimized PNG files directly in your browser.
Compress Multiple Images
Output Always PNG
No Upload
No Watermark
Free
Images compressed
342
Live
Drag multiple images here, or
Any common image file · Output is always PNG
0 images selected
0 B total
Compress each image toward your selected PNG file size.
KB
100 KB per image
Output format: PNG
Every selected image, regardless of its original format, is compressed and exported as a PNG file.
Selected images
Ready to compress
Images are compressed and converted to PNG locally in your browser using the Canvas API. Your files are not uploaded to our server.
Online Bulk PNG Compression
Compress multiple images to PNG in one batch
A bulk PNG compressor makes it easier to reduce and standardize the file size of many images without processing every picture separately. Upload almost any common image file, choose your preferred target size, and process the complete batch in one workflow. Every image is exported as a PNG.
This free image compression tool works directly in your browser. That means you can compress images to PNG without sending the original files to a remote server. It is useful for websites, blogs, documents, design assets and anywhere a consistent PNG output is needed.
Bulk
Process multiple images in one batch instead of compressing files individually.
Target KB
Set a desired file-size target and let the browser optimize each selected image as PNG.
Browser-Based
Client-side processing keeps the compression workflow inside your browser.
How It Works
How to compress multiple images to PNG online
Compress an entire batch of images to PNG in three simple steps.
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01
Select multiple images
Drag and drop multiple photos or images into the bulk PNG compressor, or browse your device and select all the files you want to convert and optimize.
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02
Choose a target size
Set a target size such as 50 KB, 100 KB, 200 KB or another custom value. Every image is compressed and exported as PNG.
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03
Download compressed PNGs
Review the compression results, compare the original and new sizes, then download individual PNG files or the complete batch.
Features
Professional bulk PNG compression features
Everything you need to reduce image file sizes into PNG efficiently.
Target file size
Set a desired KB size for each image instead of manually adjusting every file.
Accepts most image formats
Upload JPG, WebP, GIF, BMP, TIFF, AVIF and other common formats as input.
Always PNG output
Every processed image is exported as a PNG file, regardless of the original format.
Smart dimension scaling
Since PNG is lossless, the tool intelligently scales image dimensions to approach your target size.
Transparency preserved
PNG output keeps transparency from source images that support an alpha channel.
Private browser processing
Images are processed locally in the browser instead of being uploaded to a compression server.
Individual downloads
Download a specific compressed PNG without downloading the entire batch.
Download complete batch
Download the processed batch together when your browser supports the required ZIP functionality.
Supported Input Formats
Convert JPG, WebP and more to PNG
Upload almost any common image format. Every file is compressed and exported as an optimized PNG.
JPG / JPEG to PNG
Convert photographs and everyday images into PNG.
WebP to PNG
Convert modern WebP images into PNG output.
GIF to PNG
Process supported GIF images through the browser.
BMP to PNG
Compress supported bitmap image files into PNG.
TIFF to PNG
Process supported TIFF images directly in your browser.
AVIF to PNG
Work with supported AVIF images where browser support is available.
PNG to PNG
Re-compress and resize existing PNG images.
SVG to PNG
Select supported SVG files when your browser can decode them for processing.
Use Cases
Why use a bulk PNG compressor?
Bulk PNG conversion and compression is useful whenever you need a consistent, optimized PNG output across many files.
Websites
Standardize images to PNG and reduce file sizes before adding them to a website.
Design Assets
Convert and compress icons, graphics and screenshots to PNG in batches.
Documents
Prepare consistent PNG images before inserting them into documents or presentations.
Archiving
Create smaller PNG copies of images that are easier to store and share.
Image Size Guide
Compress images to a specific KB size as PNG
Select a target size based on how you plan to use the compressed PNG. The final result can vary because image complexity affects PNG compression.
Target size
Typical use
Best for
50 KB
Very small files
Icons and lightweight graphics
100 KB
Small optimized images
Web pages and articles
200 KB
Balanced size
Screenshots and diagrams
500 KB
Higher image detail
Photos and larger graphics
1 MB+
Larger output
Detailed photographs
Privacy-Friendly Processing
Your images stay in your browser
The bulk PNG compression workflow is designed to process images locally using browser capabilities such as the Canvas API. Your selected files are not intentionally uploaded to our image-processing server for compression.
No image upload
Compression happens locally.
No watermark
Your images remain free of added branding.
No account
Start compressing directly in the tool.
Free online bulk PNG compressor
If you need to compress or convert multiple images to PNG online, this bulk PNG compressor provides a convenient way to process a complete group of files at once. Instead of opening a separate converter for every image, you can select multiple files and apply the same target file-size workflow to the entire batch.
You can use the tool as a bulk JPG to PNG converter, WebP to PNG converter or general PNG optimizer depending on your source files. It can help reduce image file size before publishing images to websites, adding graphics to documents, or preparing digital assets that need to stay in PNG format.
Reduce PNG file size without complicated software
Traditional desktop image optimization software can be useful, but it may require installation and individual file processing. An online batch PNG compressor can simplify this workflow by allowing multiple images to be selected together and processed directly in a modern browser.
Choose a target such as 100 KB, 200 KB or 500 KB, review the resulting file sizes, and download the optimized PNG images. Because PNG is a lossless format, the tool primarily reduces file size by adjusting image dimensions, so actual results can vary by image.
FAQ
Bulk PNG Compressor FAQ
Answers to common questions about compressing multiple images to PNG online.
Yes. Select multiple image files or drag them into the bulk PNG compressor. The selected files can then be processed together using the same target size, and each is exported as a PNG.
Yes. The tool is available to use for free directly in your web browser.
The compression process is designed to run locally in your browser using browser-based image processing. Your image files are not intentionally uploaded to our image compression server.
You can select most common image formats, including JPG, JPEG, PNG, WebP, GIF, BMP, TIFF and AVIF, as long as your browser can decode the file.
Every processed image is exported as a PNG file, regardless of the format you uploaded.
Yes. Enter 100 KB as the target size or select the available 100 KB preset. The final file size may vary depending on image content.
Yes. You can enter a custom target size in KB. The tool will attempt to create a result close to the selected target.
PNG is a lossless format and does not have a quality setting like JPEG. To reach smaller target sizes, the tool reduces image dimensions while keeping the PNG format.
Yes. Each completed image can be downloaded individually from the results list.
Yes. The tool provides a Download All option for supported browsers.
No. The bulk PNG compressor does not add a watermark to your compressed images.
Not necessarily. Image complexity, dimensions and transparency affect PNG compression. The tool attempts to get close to the target and shows the actual resulting size.
Yes. If your source image has an alpha channel, the PNG output preserves transparency.
Start Compressing
Compress multiple images to PNG for free
Upload almost any image format, choose your target size and download optimized PNG files directly from your browser.
Compress Images Now