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Format · Raster

JPEG XL

JPEG XL

Lolly opens and makes this format

A still-image format with lossy and lossless coding. Lolly keeps imported originals and prepares an oriented 8-bit sRGB view for editing, including an SDR view of deeper or HDR sources. New renders encode those 8-bit pixels. Convert can also wrap an original JPEG and restore its complete bytes, including metadata, after verification. Animation and extra channels are refused. JPEG XL output does not carry signed Content Credentials.

Most tools like this are upload sites: your file goes to their server, and ads pay the bill. Lolly runs on your device, so your file stays with you.

  • Runs on your device
  • Free, no account
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What Lolly supports

  • Pixel raster image
  • Alpha transparency
  • Lossless quality
  • Compressed (lossy)

This format carries no Content Credential

Everything happens on your device, so it works with the Wi-Fi off.