Compress PNG Online
Reduce PNG file sizes online while preserving alphachannel transparency. Clean local compression with no watermark or registration.
Frequently Asked Questions
Everything you need to know about using AeroPDF — from privacy and performance to supported devices.
No, our PNG compressor optimizes file sizes while fully preserving transparent backgrounds.
Upload your image (JPG, PNG, or WEBP), select a compression preset or specify a custom target file size, and click Compress. The process runs locally in your browser.
Yes. AeroTools compresses files client-side. Your private pictures are never uploaded to external servers.
Using Compress PNG Online online
Reduce PNG file sizes online while preserving alphachannel transparency. Clean local compression with no watermark or registration. This page is designed for users who need a clear, practical result without installing desktop software or sharing more data than necessary.
Who this tool is for
Compress PNG Online is useful for students, teams, freelancers, and anyone preparing documents for sharing, submission, review, or storage. Start with the file you already have, then download the result when it is ready.
How it works
- 1Choose the file or content requested by the tool.
- 2Review any available options before running the task.
- 3Process the document and check the result before download.
Best results
Use the original file where possible, keep a backup of important documents, and confirm that text, layout, images, and page order meet your needs before you share the output.
Privacy and control
AeroPDF is designed for practical browser workflows. Read our Privacy Policy for current handling details, and use a local copy when working with sensitive information.
Questions about Compress PNG Online
Will PNG transparency be lost?
No, our PNG compressor optimizes file sizes while fully preserving transparent backgrounds.
How do I compress an image online?
Upload your image (JPG, PNG, or WEBP), select a compression preset or specify a custom target file size, and click Compress. The process runs locally in your browser.
Are my images secure?
Yes. AeroTools compresses files client-side. Your private pictures are never uploaded to external servers.
Browse image tools when you need a different document workflow.