.pcd
A .pcd file is a photo from a Kodak Photo CD: a lab scan of your film from the 1990s or 2000s.

The same photo, five outputs
DSC_0001.NEF · 3900×2613Each file holds the same photo at several sizes, up to 3072×2048. Windows Photos cannot open it. Free viewers open one file at a time; Contenta Converter converts a whole disc to JPG at full resolution.
格式 |
PCD |
公司 |
Kodak |
| 說明 | PCD (Photo CD) is Kodak's 1992 format for storing scanned photographs on CD-ROM. Each image is stored at five resolutions (192×128, 384×256, 768×512, 1536×1024, 3072×2048) in a single file, letting software pick the size it needs without resampling. Kodak offered PCD as a service — you mailed in film, got back a CD with digitized images. The product line ended in 2004, but the files persist in archives. |
| 優點 | Multi-resolution design was ahead of its time — pick any of five sizes without server-side resizing. 12-bit color per channel at higher resolutions, YCC color space, Huffman coding. Decent compression for 1992. |
| 缺點 | Kodak discontinued Photo CD support in 2004. Most modern software opens the highest resolution stored but cannot write new PCD files. The format's quirks (YCC instead of RGB, reversed scan-line order on Pro PhotoCD) require specialized decoders; Contenta Converter PREMIUM handles this. |
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Windows Photos cannot open PCD files, and most modern editors dropped support. The free viewers IrfanView and XnView open single PCD files. To convert a whole Kodak Photo CD to JPG in one pass, use Contenta Converter.
Contenta Converter runs on Windows only; there is no Mac version. If you can use a Windows PC once, convert the disc to JPG there. The JPG files then open on any Mac.
Yes. Each PCD file stores the photo at several sizes. Contenta Converter decodes the largest one, 3072×2048 (16Base), not the small 768×512 preview, and saves it as JPG, PNG or TIFF.
Need more than PCD conversion? Browse supported cameras that produce PCD files below, or: