Free JPEG XL Converter

Convert PNG, JPEG, WebP and more to JPEG XL (JXL) — excellent compression and quality.

2026 Note: JPEG XL offers outstanding compression. Browser support is still limited (best in Safari). Perfect for archival and future-proofing.
SafariGood
ChromeFlag needed
FirefoxFlag needed
EdgeLimited
MobilePoor
Drag & Drop Images Here
PNG • JPEG • WebP • GIF • BMP
or Click to Browse
Max 10MB • Up to 10 images • 100% private
Max Width/Height

Limits the longest side of the image.
Larger images are resized while keeping aspect ratio.

Set to 0 to keep original size.
90
Quality

Higher = better visual quality + larger file.
90 is excellent for most photos.
Lower values create much smaller files.
7
Effort

How hard the encoder works.
Higher effort = better compression but slower.
7 is the recommended balance.
80 px160 px
Preview Size

Adjusts how large the image previews appear on the page.
Does not affect the final converted file size.

Useful for checking details on larger screens.
0%

Conversion Stats

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How to view JPEG XL files:

Why JPEG XL Still Matters in 2026

Even with limited browser support, JPEG XL remains one of the most technically impressive image formats ever created.

Quick Reality Check

JPEG XL often delivers better compression than AVIF at the same visual quality, supports lossless and lossy modes in one format, and includes advanced features like progressive decoding and animation. The only real barrier right now is browser adoption.

Outstanding Compression

In controlled tests, JPEG XL frequently beats both WebP and AVIF on photographic content — especially at higher quality levels. It can also do true lossless compression that is significantly smaller than PNG.

This makes it excellent for archiving, print workflows, and any situation where file size and quality both matter.

One Format to Rule Them All

Unlike older formats, JPEG XL can handle:

  • Lossy compression (like JPEG)
  • Lossless compression (better than PNG)
  • Alpha transparency
  • Animation
  • Progressive loading
  • High bit-depth and wide color gamut

This versatility is rare and extremely powerful for long-term storage.

Current Browser Reality (2026)

Safari has the best support. Chrome and Firefox still require experimental flags. Because of this, JPEG XL is not yet recommended as a primary web delivery format for most public websites.

However, it is already excellent for:

  • Personal photo libraries
  • Archival storage
  • Internal tools and controlled environments
  • Future-proofing assets
  • Print and professional workflows

When You Should Use This Converter

Use JPEG XL when you want the absolute best quality-to-size ratio and you control how the files will be viewed or stored. Many photographers, designers, and developers already keep a JPEG XL version of important assets alongside WebP/AVIF versions.

If browser support improves in the coming years, you’ll already have perfectly optimized files ready to go.

Ready to try the best compression available today?

Convert Images to JPEG XL

WebPict is an independent free tool built to help developers and website owners convert images to modern formats (WebP, AVIF & JPEG XL) privately and efficiently. All processing happens in your browser — we never see or store your images.

Converting your images…

Please wait — this stays 100% private in your browser