Convert PNG to JXL For Free

Easily convert your PNG images to high-quality JXL format with our free and online tool. No software installation is needed—just upload and convert in seconds!

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How to Convert PNG to JXL?

Converting your PNG to JXL is quick and effortless with our online PNG to JXL converter. No sign-up required—just follow these simple steps!

Step - 1

Upload

Upload your PNG image to our secure platform.

Step - 2

Processing

Wait for quick processing and conversion.

Step - 3

Download

Download your high-quality JXL file instantly.

What is PNG?

PNG (Portable Network Graphics) is a lossless image format designed for high-quality graphics, transparency support, and detailed illustrations. Unlike JPEG, PNG preserves image quality even after multiple edits, making it ideal for logos, web design, icons, and digital art. It supports alpha transparency, allowing images to blend seamlessly into different backgrounds. While PNG files are larger due to lossless compression, they ensure sharp, high-resolution visuals and are widely used in graphic design, web development, and professional imaging.

What is JXL?

JXL (JPEG XL) is a modern image format designed to replace older formats like JPEG, PNG, and even GIF. It offers excellent compression efficiency while preserving high image quality, making it ideal for both photos and web graphics. JXL supports features like lossless and lossy compression, progressive rendering, wide color gamut, animation, and alpha transparency. One of its key advantages is significantly smaller file sizes compared to JPEG and PNG, without visible quality loss. While JXL is not yet supported across all browsers and platforms, it’s quickly gaining traction as a future-ready, open standard for image storage and delivery.

PNG vs. JXL

PNG vs. JXL—let’s see which is better! Here's a detailed comparison:

Feature comparisons

JXL
PNG
FeatureJXL tierPNG tier
File Extension
.jxl.png
Developer
Jointly developed by Google and Cloudinary contributorsPNG Development Group
Primary Use Case
High-efficiency web images, both lossy and losslessStatic images with transparency and lossless quality
Compression Type
Lossy and lossless compression with advanced efficiencyLossless compression (DEFLATE algorithm)
Transparency Support
Full alpha channel supportFull alpha channel support
File Size
Smaller file size with better compression ratiosLarger file size due to older compression
Color Depth
Up to 32-bit float color depthUp to 48-bit color + 16-bit alpha
Animation Support
Supports animationNo animation support
Best For
Modern web images with better compression and optional animationLossless graphics, UI elements, transparent backgrounds
Web & Device CompatibilitySupported in modern browsers, limited legacy supportUniversal browser and device support

Features

JXL
File Extension
.jxl
No
Developer
Jointly developed by Google and Cloudinary contributors
No
Primary Use Case
High-efficiency web images, both lossy and lossless
No
Compression Type
Lossy and lossless compression with advanced efficiency
No
Transparency Support
Full alpha channel support
No
File Size
Smaller file size with better compression ratios
No
Color Depth
Up to 32-bit float color depth
No
Animation Support
Supports animation
No
Best For
Modern web images with better compression and optional animation
No
Web & Device Compatibility
Supported in modern browsers, limited legacy support
No
PNG
File Extension
.png
No
Developer
PNG Development Group
No
Primary Use Case
Static images with transparency and lossless quality
No
Compression Type
Lossless compression (DEFLATE algorithm)
No
Transparency Support
Full alpha channel support
No
File Size
Larger file size due to older compression
No
Color Depth
Up to 48-bit color + 16-bit alpha
No
Animation Support
No animation support
No
Best For
Lossless graphics, UI elements, transparent backgrounds
No
Web & Device Compatibility
Universal browser and device support
No

Why Convert PNG to JXL?

Converting PNG to JXL (JPEG XL) helps you achieve significantly smaller file sizes without compromising image quality. Ideal for modern web use, our PNG to JXL converter ensures lightning-fast loading and future-ready visuals.

Why Convert PNG to JXL?

Converting PNG to JXL (JPEG XL) helps you achieve significantly smaller file sizes without compromising image quality. Ideal for modern web use, our PNG to JXL converter ensures lightning-fast loading and future-ready visuals.

Superior Compression

JXL offers better compression than PNG, resulting in smaller files and faster load times.

High Image Quality

Maintain lossless or near-lossless quality, even with complex visuals and gradients.

Modern Format

JPEG XL is designed for next-gen web performance, supporting wide color gamut and HDR.

Smaller Storage Footprint

Perfect for image-heavy sites, apps, or archives that need to save space without sacrificing detail.

Why use Gumlet for Image Conversion?

Our online PNG to JXL tool offers a seamless and hassle-free way to convert your images in seconds. Here's why you should you choose it:

Fast & Free Conversion

No hidden fees, no subscriptions. Convert images instantly with no pricing hurdles.

High-Quality Output

Preserve details with lossless compression and ensure the best image resolution.

Secure & Private

We never keep it! Your files are automatically deleted post-conversion.

Works on Any Device

Universal Support? Check. We are compatible with all devices and browsers.

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