Select a sample image
Or upload / drag & drop
Drag & drop a J2K / J2C / JPH file here or click to browse
🔒 Decoding runs entirely in your browser — your files are never uploaded to any server.

Decoded Image — Full Resolution

Initializing decoder…
Image size — × —
Bit depth —
Signedness —
Min DWT levels—
Threads —
Decode time
—

Progressive Resolution Decoding

The same compressed stream decoded at multiple resolutions. The client chooses how many bytes to load depending on the display size.

Discarded
DWT levels
Decode time
5
—
4
—
3
—
2
—
1
—
0
—