How do I compress a PNG image?

Click 'Upload PNGs', select your PNG file(s), and the tool automatically compresses them while preserving transparency and quality. You can compress multiple PNGs at once and download them as a ZIP.

Is this PNG compressor free?

Yes, completely free with no limits on file size or number of compressions. No registration or payment required.

Will PNG transparency be preserved?

Yes, the tool fully preserves PNG transparency and alpha channels during compression. Transparent backgrounds and effects remain intact.

Is my data safe? Are images uploaded to a server?

All compression happens directly in your browser using client-side JavaScript. Your PNG files never leave your device, ensuring complete privacy.

Can I compress multiple PNG files at once?

Yes, batch compression is supported. Select multiple PNG files and compress them all simultaneously, then download as a single ZIP file.

How much can I reduce my PNG file size?

Typical compression reduces PNG files by 30-75% depending on the image content. PNGs with large areas of solid color compress more efficiently than complex photographic content.

How do I compress PNG images for web or email?

Upload your PNG files and the tool automatically optimizes them. Compressed PNGs load faster on websites, improve Core Web Vitals scores, and fit within email attachment limits.

Is there a file size or upload limit?

No. Unlike TinyPNG (5 MB limit) or other tools with restrictions, this tool has no file size limits and no cap on the number of images you can compress.

Do I need to install any software?

No installation needed. The tool runs entirely in your web browser on any device — Windows, Mac, Linux, Android, or iOS.

PNG Compressor – Free Online PNG Compression Tool

Compress PNG images online for free. Reduce PNG file size by up to 75% while preserving transparency and quality. Batch compress multiple PNGs at once. 100% browser-based — your images never leave your device. No file size limits, no registration, no software to install.

Why Use PNG Compressor?

Preserves transparency — alpha channels and transparent backgrounds stay intact
No file size limits — unlike TinyPNG (5 MB limit) or other tools, compress files of any size
No image count limits — compress as many PNGs as you need in a single session
100% private — all compression runs in your browser, images never leave your device
Batch compression — select multiple PNG files and compress them all at once
ZIP download — get all compressed images in a single ZIP file
No registration required — start compressing immediately
Works on any device — Windows, Mac, Linux, Android, iOS

How to Compress PNG Images Online

Upload — Click "Upload PNGs" and select one or more PNG images
Compress — Images are automatically compressed while preserving transparency
Compare — See original and compressed file sizes side by side
Download — Save compressed images individually or as a ZIP file

Common Use Cases

Compress PNG logos — Optimize logo files for faster website loading
Compress PNG icons — Reduce icon sprite sizes for web applications
Compress screenshots — Shrink screenshot file sizes for documentation and tutorials
Compress transparent graphics — Optimize graphics with transparency for web use
Optimize for web performance — Improve Core Web Vitals and page load speed
Reduce storage space — Shrink PNG libraries on your device or cloud storage

PNG vs JPG: When to Use PNG

PNG is ideal for images that need transparency, sharp edges, or text. Use PNG for logos, icons, screenshots, diagrams, and graphics. Use JPG for photographs where transparency is not needed and smaller file sizes are more important.

Frequently Asked Questions

Is this PNG compressor completely free?

Yes, 100% free with no limits on file size, image count, or number of compressions. No registration, no watermarks, no hidden fees.

Will transparency be preserved?

Yes. The tool preserves PNG alpha channels and transparent backgrounds during compression.

Are my images uploaded to a server?

No. All compression happens locally in your web browser. Your images never leave your device.

What is the difference between PNG and JPG?

PNG supports transparency and lossless compression — ideal for logos, icons, and graphics. JPG uses lossy compression and is better for photos. PNG files are typically larger but preserve more detail.

Related Image Compression Tools

JPG Compressor — Compress JPG/JPEG photos
GIF Compressor — Compress animated GIF files
ImageBoost — All-in-one image tools: compress, convert, resize, watermark, remove backgrounds