TinyImageResizer.com

Compress PNG to size

Compress PNG images to target KB sizes using palette quantization (256 to 16 colors) while keeping full transparency.

Select images

or drop images here

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Why PNG Files Are Large (And How Compression Fixes That)

PNG (Portable Network Graphics) uses lossless compression and supports full 24-bit RGB color plus an 8-bit alpha channel for transparent backgrounds. Because PNG stores complete pixel accuracy, file sizes can balloon to several megabytes for complex screenshots, icons, or design mockups.

Our PNG compressor applies smart color quantization to shrink 24-bit images down to optimized 8-bit indexed palettes without sacrificing transparency or clean text edges.

Lossless vs Lossy PNG Compression Explained

TinyImageResizer offers both lossless and lossy PNG compression options depending on your precision needs:

Lossless PNG Optimization: Strips unnecessary metadata, color chunks, and optimizes Deflate zlib compression tables. Pixel values remain 100% bit-for-bit identical.
Lossy Color Quantization: Intelligently merges similar color shades into an optimal 256-color palette. Reduces file weight by up to 70% while keeping visual clarity sharp.

How to Compress a PNG in 3 Steps

Shrink PNG images in just three simple actions:

1

Select PNG File

Drop your transparent PNG or graphic into the optimizer box above.

2

Choose Optimization Level

Select lossless reduction or smart quantization for maximum file size savings.

3

Download Optimized PNG

Click Compress PNG to download your compact, high-definition PNG file.

Best Use Cases: Logos, Screenshots, Transparent Images

PNG is the standard format for logos, digital illustrations, charts, and application screenshots.

Brand Logos: Keep transparent background cutouts crisp for website navigation bars and header menus.
Software Screenshots: Shrink high-DPI desktop and mobile screenshots for documentation and bug reports.
UI Assets: Downsize game sprites, vector exports, and website badges without blurry edges.

How This Compares to TinyPNG

Popular tools like TinyPNG impose strict file size ceilings (5MB), batch limits (20 images), and require sending your graphics to third-party cloud servers.

TinyImageResizer runs directly in your browser tab with no arbitrary file limits, zero server uploads, and 100% data privacy.

Preguntas Frecuentes

Compress PNG to size

What's the difference between lossless and lossy PNG compression?
Lossless keeps every pixel identical while reducing size; lossy uses color quantization for even smaller files with minimal visual difference.
Will compressing a PNG break transparency?
No, transparency is fully preserved in both compression modes.
Is this a good alternative to TinyPNG?
Yes, it offers similar or better compression with no upload limits and works directly in your browser.
What kind of images compress best as PNG?
Logos, icons, screenshots, and graphics with flat colors compress especially well.
Is PNG compression free and unlimited?
Yes, there are no limits on file count or frequency of use.

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