Free online image tool

Compress PNG Images Online

Reduce PNG image size in your browser with Pixora. Process one image or a batch, choose quality and download optimized results.

✓ Free to use✓ No account✓ Browser-based✓ Batch processing

Image Compressor

Reduce image file size with quality and target-size controls. No account required. Your files stay on your device during browser-based processing.

✓ Bulk upload✓ Live previews✓ ZIP download

Drop images here or choose files

Bulk upload supported · JPG, PNG, WebP, GIF, BMP, SVG, AVIF and other browser-readable images

1. Add your images

Select one image or a complete batch. Every file gets its own thumbnail and details.

2. Choose settings

Set dimensions, format, quality or a best-effort target file size.

3. Preview & download

Compare original and processed images, then download one or everything as ZIP.

Privacy note: Pixora processes these core tools in your browser. Selected files are not uploaded to a Pixora processing server for conversion.

What to know before using Compress PNG Images Online

The right image workflow depends on the destination, the source image and the result you need. A smaller file is not automatically a better file: reducing dimensions too far can make text or fine detail unreadable, while excessive compression can introduce visible artifacts. Pixora lets you preview the result before downloading so you can make that trade-off deliberately.

Check the destination

Confirm the required format, maximum dimensions and file-size limit before editing.

Keep the original

Save an untouched source copy so you can make another version later without compounding quality loss.

Review the output

Check dimensions, transparency, text, edges and visual quality before publishing or submitting the file.

How to use Compress PNG Images Online

Select PNG files or drag them into Pixora.
Choose PNG or WebP output and adjust quality.
Set a target KB value if you have a size requirement.
Process and download your optimized files.

Helpful tips

PNG is ideal for graphics and transparency, but photos can often be much smaller as WebP.
Keep PNG output when lossless-style PNG is required.
For web photos, compare WebP and PNG previews before choosing.

Frequently asked questions

Does PNG compression always reduce size?

Not always. PNG is lossless-oriented, so converting photographic PNGs to WebP may produce a larger reduction.

Can I keep transparency?

WebP and PNG can support transparency when the browser codec and source image support it.

Can I batch compress PNG files?

Yes.

More Pixora tools

Image Converter →Image Compressor →Image Resizer →