JXL Resizer
Resize .jxl images to exact dimensions — and save them as JXL, PNG or JPG. Free and private.
Upload a JPEG XL image
JXL files only (max 20MB) — resized privately in your browser
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Original JXL
Resized
Resize JPEG XL Images to Any Size
Got a .jxl that is too big for the job — a 4000-pixel hero image for a 800-pixel slot? This free JXL resizer decodes the JPEG XL in your browser, resizes it to your exact dimensions (or a quick 25/50/75% scale), and saves it as JXL, PNG or JPG. No uploads, no installs.
Exact Pixels or Quick Percents
Type the width and height you need — aspect ratio locked by default — or tap a percent preset for a one-click scale.
Resize and Convert Together
Save the resized image as JXL to keep it modern, or as PNG/JPG when the destination demands a classic format.
Quality Stays Yours
Resampling uses high-quality smoothing, and the quality slider controls the JXL/JPG output — downscales stay crisp, and you see the size change before downloading.
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