https://bugs.kde.org/show_bug.cgi?id=501358
Bug ID: 501358
Summary: No option to disable ICC profile embedding when saving
WebP files
Classification: Applications
Product: krita
Version: 5.2.9
Platform: Debian testing
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: File formats
Assignee: krita-bugs-n...@kde.org
Reporter: nihah63...@framitag.com
Target Milestone: ---
Summary: No option to disable ICC profile embedding when saving WebP files
Version: 5.2.9
Platform: Debian Trixie (testing)
OS: Linux
Description:
When saving a WebP file in Krita 5.2.9, the ICC profile (e.g.,
sRGB-elle-V2-srgbtrc.icc, 9080 bytes) or any other is embedded automatically,
even for empty images, resulting in files >9 KB. For JPG, there is an "Embed
ICC profile" checkbox in the export dialog, but for WebP this option is
missing. This increases file size unnecessarily and lacks consistency with
other formats.
Steps to Reproduce:
1. Create a new 100x100 transparent canvas.
2. Save as WebP (File → Save As → WebP).
3. Check file size (e.g., 9 KB) and ICC profile (via `magick identify
-verbose`).
Actual Result:
File size >9 KB due to embedded ICC profile, no option to disable it.
Expected Result:
An option in the WebP export dialog to disable ICC embedding, similar to JPG,
resulting in smaller files (e.g., <1 KB for empty images).
Additional Info:
- In older versions (e.g., 5.1.5 on Debian Bookworm), empty WebP files were
smaller, suggesting a regression.
- Workaround: `magick convert input.webp -strip output.webp` removes the
profile.
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