Free webp to jpg
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Image MIME Reference
JPEG

JPEG Image

image/jpeg
VS

PaintShop Pro Image

image/x-paintshoppro
PaintShop-Pro-PSP

A complete technical comparison of JPEG Image and PaintShop Pro Image — covering compression, feature support, browser compatibility, magic bytes, and when to choose each format.

JPEG wins on browser support

Feature Support

Feature JPEG PaintShop-Pro-PSP
Transparency (Alpha) ✕ No Yes
Animation Support ✕ No ✕ No
Progressive Loading Yes ✕ No
HDR Support ✕ No Yes
EXIF Metadata Yes Yes
ICC Color Profile Yes Yes
JPEG Image
image/jpeg
Extension
.jpg.jpeg.jpe.jfif
Container JFIF / Exif
Compression Lossy
Algorithm
DCT (Discrete Cosine Transform)
Color Depth 8-bit
Developed by Joint Photographic Experts Group
Released 1992
Magic Bytes
FF D8 FF
Full JPEG reference →
PaintShop Pro Image
image/x-paintshoppro
Extension
.psp.pspimage.tub.pat
Container PSP Chunk-based Format
Compression Uncompressed / RLE (Run-Length Encoding) / LZ77
Algorithm
RLELZ77
Color Depth 8-bit (Indexed), 16-bit (Grayscale), 24-bit (RGB), 32-bit (RGBA), 48-bit (High Color)
Developed by Jasc Software / Corel Corporation (Alludo)
Released 1990
Magic Bytes
7E 42 4B 00
Full PaintShop-Pro-PSP reference →

Browser Support Comparison

Browser JPEG PaintShop-Pro-PSP
Chrome Chrome
✓ All
 ✕
Firefox Firefox
✓ All
 ✕
Safari Safari
✓ All
 ✕
Edge Edge
✓ All
 ✕
IE IE (Legacy)
✓
 ✕
JPEG

JPEG Strengths

  • Universal support — every browser, OS, and application handles JPEG
  • Excellent compression for complex photographs with natural color gradients
  • Rich metadata support: EXIF (GPS, camera settings), ICC color profiles
Limitations
  • No transparency — cannot have a transparent background
  • Lossy compression introduces visible artifacts on sharp edges and text
  • No animation support
PaintShop-Pro-PSP

PaintShop-Pro-PSP Strengths

  • Provides robust, non-destructive editing capabilities with full support for vector layers, adjustment layers, and layer blend modes
  • Historically offered a highly capable and affordable alternative to Adobe Photoshop's PSD format for Windows users
  • Features proprietary support for 'Picture Tubes' (.tub), a unique brush technology that paints sequential or random raster objects along a path
Limitations
  • Deeply proprietary format tied exclusively to the Corel/Alludo ecosystem
  • Third-party software support (like GIMP or ImageMagick) is often limited to parsing older .psp files, frequently failing to render complex layers in modern .pspimage files
  • No support in modern web browsers; must be exported to a flattened web format (JPEG/PNG) for online viewing

When to choose which format

JPEG
Use JPEG when…
  • Photography
  • Websites
  • Social Media
  • Print
PaintShop-Pro-PSP
Use PaintShop-Pro-PSP when…
  • PaintShop Pro Multi-layer Project Archival
  • Digital Art and Photo Retouching
  • Picture Tubes (.tub) and Custom Patterns (.pat)

More comparisons

JPEG vs ACES → PaintShop-Pro-PSP vs ACES → JPEG vs APNG → PaintShop-Pro-PSP vs APNG → JPEG vs AVCI → PaintShop-Pro-PSP vs AVCI → JPEG vs AVCS → PaintShop-Pro-PSP vs AVCS → JPEG vs AVIF → PaintShop-Pro-PSP vs AVIF → All comparisons →
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