JPGICC(1)

💖 JPGICC(1) 💖

okay bestie, welcome to the General Commands Manual glow-up of jpgicc — the little cms ICC profile applier for JPEG. no cap, this one's a baddie. 🎀

✨ NAME ✨

jpgicc — little cms ICC profile applier for JPEG. she's small, she's mighty, she color-manages. 💅

🌈 SYNOPSIS 🌈

jpgicc [options] input.jpg output.jpg

🦋 DESCRIPTION 🦋

so like. lcms is a standalone CMM engine — that's Color Management Module, iykyk — and it deals with the color management. she implements a fast transformation between ICC profiles. and jpgicc? she's the little cms ICC profile applier for JPEG. periodt. 🔥

👑 OPTIONS 👑

• -b — Black point compensation. give the blacks their moment. 🖤
• -c NUM — Precalculates transform. the numbers go like 0=Off, 1=Normal, 2=Hi-res, 3=LoRes. [defaults to 1]
• -d NUM — Observer adaptation state (abs.col. only), (0..1.0, float value) — so yes, decimals are welcome here. [defaults to 0.0]
• -e — Embed destination profile. tuck it in, keep it cozy. 💖
• -g — Marks out-of-gamut colors on softproof. calling them out, gently. 🚨
• -h NUM — Show summary of options and examples. the menu is: 0=help, 1=Examples, 2=Built-in profiles, 3=Contact information.
• -i profile — Input profile [defaults to sRGB].
• -l link — TODO: explain this option. 😭 bestie the devs literally left this one blank, I'm not gonna invent lore for it, that's not the vibe.
• -m NUM — SoftProof intent (0,1,2,3) [defaults to 0].
• -n — Ignore embedded profile. not me ✨ ignoring ✨ it.
• -o profile — Output profile [defaults to sRGB].
• -p profile — Soft proof profile.
• -q NUM — Output JPEG quality, (0..100) [defaults to 75].
• -s newprofile — Save embedded profile as newprofile.
• -t NUM — Rendering intent. full menu, no skips:
  • 0=Perceptual [default]
  • 1=Relative colorimetric
  • 2=Saturation
  • 3=Absolute colorimetric
  • 10=Perceptual preserving black ink
  • 11=Relative colorimetric preserving black ink
  • 12=Saturation preserving black ink
  • 13=Perceptual preserving black plane
  • 14=Relative colorimetric preserving black plane
  • 15=Saturation preserving black plane
• -v — Verbose. she's talking now. 🗣️
• -! NUM,NUM,NUM — Out-of-gamut marker channel values (r,g,b) [defaults: 128,128,128]. (yes the flag is literally an exclamation mark, she's dramatic, we love her)

🧚 BUILT-IN PROFILES 🧚

the whole roster, exactly as shipped:

*Lab2  -- D50-based v2 CIEL*a*b
*Lab4  -- D50-based v4 CIEL*a*b
*Lab   -- D50-based v4 CIEL*a*b
*XYZ   -- CIE XYZ (PCS)
*sRGB  -- sRGB color space
*Gray22 - Monochrome of Gamma 2.2
*Gray30 - Monochrome of Gamma 3.0
*null   - Monochrome black for all input
*Lin2222- CMYK linearization of gamma 2.2 on each channel

🌸 EXAMPLES 🌸

To color correct from scanner to sRGB:

jpgicc -iscanner.icm in.jpg out.jpg

To convert from monitor1 to monitor2:

jpgicc -imon1.icm -omon2.icm in.jpg out.jpg

To make a CMYK separation:

jpgicc -oprinter.icm inrgb.jpg outcmyk.jpg

To recover sRGB from a CMYK separation:

jpgicc -iprinter.icm incmyk.jpg outrgb.jpg

To convert from CIELab ITU/Fax JPEG to sRGB

jpgicc -iitufax.icm in.jpg out.jpg

To convert from CIELab ITU/Fax JPEG to sRGB

jpgicc in.jpg out.jpg

not me noticing those last two have the same caption 👀 I'm keeping it exactly how the original wrote it, bestie. facts stay facts, even when they're a little quirky. 💀

📝 NOTES 📝

For suggestions, comments, bug reports etc. send mail to info@littlecms.com. they wanna hear from you fr fr 🫶

🔗 SEE ALSO 🔗

linkicc(1), psicc(1), tificc(1), transicc(1)

💜 AUTHOR 💜

This manual page was written by Shiju p. Nair <shiju.p@gmail.com>, for the Debian project. iconic behavior, honestly. 👑

and that's the whole page, bestie — September 30, 2004, General Commands Manual energy, straight from the little cms / Debian source 💖✨