PNG Compressor & Optimizer — Free Online
Compress PNG images instantly — no upload, no sign-up. Reduce PNG file size by up to 50% without any quality loss. Perfect for web optimization.
Drop files here
or click to browse · up to 20 images
How It Works
PNG uses lossless compression — optimizing PNG files can reduce sizes by 20–50% without any visible quality loss. Ideal for web graphics and logos.
What is PNG and What is PNG?
PNG is a lossless image format that supports full transparency (alpha channel). It preserves every pixel exactly without compression artifacts, making it perfect for logos, icons, screenshots, and graphics with text. PNG files are larger than JPG but maintain perfect quality. Learn more about PNG →
PNG is a lossless image format that supports full transparency (alpha channel). It preserves every pixel exactly without compression artifacts, making it perfect for logos, icons, screenshots, and graphics with text. PNG files are larger than JPG but maintain perfect quality. Learn more about PNG →
Why Convert PNG to PNG?
Compress PNG images instantly — no upload, no sign-up. Reduce PNG file size by up to 50% without any quality loss. Perfect for web optimization.
PNG uses lossless compression — optimizing PNG files can reduce sizes by 20–50% without any visible quality loss. Ideal for web graphics and logos.
Whether you're a web developer optimizing page load times, a designer preparing assets for print, or a photographer archiving images, converting PNG to PNG can make a significant difference in file size, compatibility, and quality. This free PNG to PNG converter handles the entire process in your browser — no software installation, no cloud upload, no privacy risk.
How to Convert PNG to PNG — Step by Step
Make sure PNG is selected as the source format and PNG as the output format. The tool auto-detects your file's format when you upload it.
Select Low for smallest file size, Medium (default) for a balanced result, High for excellent quality, or Lossless for pixel-perfect output with no compression artifacts.
Drag and drop up to 20 PNG images into the upload area, or click Browse to select them. You can also resize images while converting — by width, height, or exact dimensions.
Click Convert Files. Your PNG files are converted to PNG instantly. Download each file individually or grab them all as a ZIP archive.
Why Use This Free PNG to PNG Converter?
Your PNG files are processed entirely on your device using the browser's HTML5 Canvas API. Nothing is ever uploaded to a server. Your images stay private.
No waiting for uploads or server queues. The PNG to PNG conversion happens in milliseconds directly on your device.
Convert up to 20 PNG files to PNG in a single pass. Download all results as a ZIP archive with one click.
Fine-tune quality from Low to Lossless. Resize your PNG images by width, height, or exact dimensions while converting to PNG.
This PNG to PNG converter works in Chrome, Firefox, Safari, and Edge — on desktop and mobile. No app or plugin required.
Convert as many PNG files to PNG as you need. No registration, no watermarks, no file size restrictions.
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Learn More About These Formats
Want to understand the difference between PNG and PNG? Read our in-depth format guides:
PNG to PNG — Frequently Asked Questions
How do I convert PNG to PNG?
Select PNG as source and PNG as target, upload your images, pick quality, then click Convert. The PNG to PNG conversion happens instantly in your browser — no upload needed.
Is this PNG to PNG converter free?
Yes — this PNG to PNG converter is completely free. No registration, no watermarks, no file size limits. Convert as many files as you need.
Does converting PNG to PNG reduce quality?
Only if you choose a lossy quality setting. Selecting Lossless preserves full image quality with no compression artifacts. For most web use cases, High quality is indistinguishable from lossless.
Are my PNG files safe?
Your PNG files never leave your device. The entire conversion runs in your browser — nothing is uploaded, stored, or shared. This tool collects zero image data.
Can I batch convert PNG to PNG?
Yes — convert up to 20 PNG files to PNG at once. After conversion, download them individually or as a single ZIP archive.
Can I resize images when converting PNG to PNG?
Yes — enable the Resize toggle and choose By Width, By Height, or Custom. Each PNG image maintains its own aspect ratio unless you use Custom mode.
Which quality setting should I use for PNG to PNG?
Use Medium (80%) for web images, High (95%) for photos you want to preserve in detail, and Lossless for logos, screenshots, and graphics where every pixel matters.
Is this converter safe to use on sensitive images?
Yes — this PNG to PNG converter processes everything locally. Your images are never sent anywhere. It's safe for private, confidential, or sensitive image files.