Photoshop Big (PSB) is Adobe's large document format, extending PSD to support images up to 300,000 pixels and 4 exabytes in size.
JPEG Network Graphics (JNG) is a hybrid format using JPEG-compressed image data with optional PNG-compressed alpha channel.
Reach for PSB when your priority is large-format graphic design, billboard artwork — its uncompromising quality ensures every detail is preserved.
Reach for JNG when your priority is legacy web animation, lossy image sequences — its efficient compression makes sharing fast and storage minimal.
Learn more about PSB and JNG formats in our detailed guide.
Convert PSB files to JNG online for free. High-quality conversion with no registration required.
Upload or enter a URL to convert PSB to JNG instantly
or paste from clipboard
.psb,.PSB (max 100MB)
Verifying security check…
PSB (PSB large docs) - Photoshop Big, large document format for 2GB+ PSD files. Best for large-format graphic design, billboard artwork.
JNG (JNG images) - JPEG Network Graphics, JPEG-based lossy animation format. Ideal for legacy web animation, lossy image sequences.
Yes, GoConvertFile offers free conversion of PSB to JNG for files up to 100MB. No registration required.
Most PSB to JNG conversions complete within seconds for standard-sized files. Larger files may take longer depending on the conversion complexity.
JNG is ideal for legacy web animation, lossy image sequences. JPEG Network Graphics, JPEG-based lossy animation format
Yes, converting PSB to JNG uses lossy compression, which reduces file size by discarding some visual data. Set quality to 85-95% for a good balance of quality and file size.
JNG files are typically 50-80% smaller than PSB files because JNG uses efficient lossy compression. The exact reduction depends on quality settings.
No, JNG does not support transparency. Any transparent areas in your PSB will be filled with a solid color (usually white) during conversion. Use PNG or WebP if transparency is needed.