---
title: "Extra Channels"
canonical: https://www.graphicsmill.com/samples/tags/extra-channels
product: "Graphics Mill"
---

# Extra Channels

Working with TIFF extra channels

- [Browse all samples](<https://www.graphicsmill.com/samples/index_md>)

## Samples

- [Read Extra Channel From TIFF](<https://www.graphicsmill.com/samples/Codecs/Tiff/ReadExtraChannelFromTiff_cs_md>): Extracts an extra channel from a TIFF image and saves it as a new TIFF file.
- [TIFF Extra Channels To Spot Color Space](<https://www.graphicsmill.com/samples/Codecs/SpotColors/TiffExtraChannelsToPdfSpot_cs_md>): Converts a TIFF with extra channels to a PDF using separation color space.
- [Write Extra Channel](<https://www.graphicsmill.com/samples/Codecs/Tiff/WriteExtraChannel_cs_md>): Adds an extra alpha channel to a TIFF image using a grayscale bitmap.
- [Write Extra Channel With Display Info](<https://www.graphicsmill.com/samples/Codecs/Tiff/WriteExtraChannelWithDisplayInfo_cs_md>): Saves extra channels with display info to Adobe resources in a TIFF file.
- [Write Extra Channel With Name](<https://www.graphicsmill.com/samples/Codecs/Tiff/WriteExtraChannelWithName_cs_md>): Saves an extra channel with a custom name to a TIFF image using Adobe resources.