PSD file format: what it is and how to use it

PSD is Photoshop's working file: layers, masks, adjustment stacks and every editable decision preserved in Adobe's proprietary container. Learn when to use it and what to choose instead.

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What is a PSD file?

A .psd file is an image in Photoshop Document format, Adobe's native working file: layers, masks, adjustment layers, smart objects, text layers, channels and every edit decision preserved so the file reopens exactly as left. It is the industry's most-recognized working format, supported far beyond Photoshop by GIMP, Affinity, Krita and converters.

When should you use PSD?

  • Editing pipelines: the working file of pixel-art, retouching and comp design.
  • Layered hand-offs: the format designers exchange between tools and teams.
  • Non-destructive work: keep every decision reversible until export.

When is another format a better fit?

For delivery always export PNG, JPG or WebP, since .psd is a studio file, not a product. For open workflows XCF (GIMP) or ORA carry layers openly; for flat archival TIFF with layers is the professional alternative.

The short version: PSD is the editing master. Keep it as your working file, and export flattened formats for the world.

How to open a PSD file

On Windows

Double-click the file, or open it with Adobe Photoshop.

On macOS

GIMP opens PSD files on macOS.

In your browser

Open PSD files right in a browser tab or with the dexrr viewer. No install, no upload.

Also opens in

  • Adobe Photoshop
  • GIMP
  • Affinity Photo
  • Photopea

View or convert PSD files

A quick preview or a new format. No install, no upload.

View PSD files Preview and inspect PSD files Convert to PSD Turn files into PSD PSD to XCF GIMP XCF image PSD to TIFF Tagged Image File Format PSD to PNG Portable Network Graphics

PSD technical details

Full name
Photoshop Document
Extensions
.psd .psb
MIME type
image/vnd.adobe.photoshop, image/x-psd
Magic bytes
38 42 50 53 (8BPS)
Compression
Lossless or lossy
Developer
Adobe
Specification
www.adobe.com

PSD questions, answered

How do I open a .psd file?

Photoshop, GIMP, Affinity Photo, Krita and even Preview open it, though layer support varies by tool. dexrr displays and converts psd files directly in your browser.

Can I convert PSD files online?

Yes, dexrr converts psd locally in your browser: PSD to PNG or PSD to JPG for flattened images.

Is PSD better than TIFF?

For Photoshop workflows, yes, it has full feature support. For open archival, TIFF with layers is the documented alternative. Both are working formats, not delivery.

Why does my PSD look different in GIMP?

Some adjustment layers and smart objects do not translate, because Adobe's proprietary features have no open equivalent. Flatten a copy for fidelity.

Is the PSD format outdated?

No, it remains the de-facto standard working format of the image industry.