Photopea offers several ways to modify image modes, depending on your needs. While it doesn't have the exact same feature set as Photoshop, it provides comparable functionality.
Accessing Image Mode Adjustments
The primary method for adjusting image modes involves using the menu bar.
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Image > Adjustments: This menu allows you to access various adjustments like Levels (Ctrl+L), Curves (Ctrl+M), and Hue/Saturation (Ctrl+U). These adjustments indirectly impact the visual aspects related to image mode (color depth, color space). See Photopea's documentation on Adjustments & Filters.
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Image > Reduce Colors: This option allows for a simplified color palette, achieving a result similar to indexed color modes found in other applications. See related Github issue regarding Indexed Color mode.
Color Space Conversion (RGB, CMYK)
Photopea supports converting between RGB and CMYK color spaces. This is crucial for print preparation. While the exact menu path isn't explicitly stated in the provided references, the capability is confirmed by several sources. The conversion likely happens during the "Save As" process, where you select the desired file type and color space. See Photopea Blog post on CMYK mode mentions CMYK support and color profile handling.
Bit Depth (8-bit, 16-bit, 32-bit)
While the provided references don't explicitly detail how to change bit depth (8-bit, 16-bit, 32-bit) in Photopea, some sources indicate that Photopea supports these modes, implying the ability to work with images of different bit depths. This functionality is likely accessed through the file creation or import/export processes. See Reddit discussion about 16-bit and 32-bit modes and Solved: Change Image Color Mode in Photoshop for Web indirectly imply this functionality.
Blending Modes
Photopea offers a range of blending modes. These affect how layers interact, but don't directly change the image mode itself. However, using blending modes can significantly alter the appearance and visual information, affecting the overall impression of the color information. See Photopea Blending Modes Tutorial.
