> ## Documentation Index
> Fetch the complete documentation index at: https://docs.abbyy.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Possible Combinations of Formats, Color Modes and Codecs

> Which codecs (JPEG, JPEG2000, ZIP, LZW, Packbits, CCITT4Fax) you can use with PDF, PDF/A, and TIFF output in each color mode on the Scanning Station.

The codecs you can use depend on the output format and color mode.

## PDF

| Color mode       | Supported codecs         |
| ---------------- | ------------------------ |
| Color, grayscale | JPEG2000, JPEG, ZIP, LZW |

## PDF/A

| Version    | Color mode       | Supported codecs         |
| ---------- | ---------------- | ------------------------ |
| 1a, 1b     | Color, grayscale | JPEG, ZIP, LZW           |
| 2a, 2b, 2u | Color, grayscale | JPEG2000, JPEG, ZIP, LZW |
| 3a, 3b, 3u | Color, grayscale | JPEG2000, JPEG, ZIP, LZW |

## TIFF

| Color mode       | Supported codecs                    |
| ---------------- | ----------------------------------- |
| Color, grayscale | JPEG, ZIP, LZW, None, Packbits      |
| Black-and-white  | ZIP, LZW, None, Packbits, CCITT4Fax |