Is this GIF converter safe?

Yes. All processing happens in your browser using WebAssembly and Web Workers. Files are never uploaded.

JXL is useful for next-gen archiving because of its HDR support.

Convert GIF to JXL Online

Extract high-quality frames from GIF animations and convert them to JXL directly in your browser. All processing happens locally with WebAssembly.

Allocating memory and preparing WebAssembly