Free PNG Optimizer · Preserves Transparency · Lossless · Fast

PNG Compressor — Reduce PNG Size Free Online

Compress PNG images while fully preserving quality and transparency. Smaller PNGs mean faster website loading times and reduced storage usage with no visible degradation in image quality.

Drag and Drop Your Files Here

or click to browse — multiple files supported

Browse Files

Options

Quality 85%
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How to Compress PNG

1

Upload Your File

Drag and drop or click browse to select your files. Multiple files supported simultaneously.

2

Adjust Settings

Set quality or other options to match your specific requirements.

3

Download Result

Click the button and instantly download your converted file. Done in seconds.

About This Tool

Compress PNG images while fully preserving quality and transparency. Smaller PNGs mean faster website loading times and reduced storage usage with no visible degradation in image quality. The Toollyfy PNG Compressor tool runs entirely in your browser — your files are never sent to any server. This means your data stays completely private and conversion is instantaneous with no upload wait times.

Our tool supports batch processing, so you can convert multiple files at once. It works on all devices including Windows, Mac, iPhone, Android, and Chromebook with no installation needed.

Frequently Asked Questions

Our tool uses smart compression that reduces file size with minimal or no visible quality loss. PNG supports both lossless and lossy compression modes for different use cases.
Yes. Transparency and the alpha channel are fully preserved when compressing PNG files. This is one of the key advantages PNG has over JPG format for graphics and logos.
Yes, 100% free. No signup, no credit card, no hidden fees. We are supported by non-intrusive advertising so you never pay anything.
Absolutely. All processing happens inside your browser. Your files are never uploaded to our servers. We cannot see or access your files at any time.
Yes. Select multiple files and convert them all in one go. Each file is processed individually and you can download them one by one or all at once.

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