A .PSB file is a PSB File Format associated with Images. Reference for .PSB files supporting Photoshop documents larger than 2GB or 30,000x30,000 pixels.

How do I open a .PSB file on Windows or Mac?

You can open .PSB files using Adobe Photoshop, Photopea, Affinity Photo. If you do not have native software installed, you can use OpenAnyFile's free File Identifier or convert .PSB to a standard format in your browser.

Is a .PSB file safe to open?

This format carries a safety rating of Low Risk. Supports document canvas dimensions up to 300,000 x 300,000 pixels

Can I convert a .PSB file to other formats?

Yes! .PSB can be converted to formats such as .PNG directly in your web browser.

What should I do if a .PSB file is corrupted or won't open?

If your .PSB file displays an invalid header or signature error, check its magic bytes hex header (Varies) using OpenAnyFile's Magic Byte Detector or follow our step-by-step file repair guide.

How do I open .PSB files?

You can open .PSB files using Adobe Photoshop, Photopea, Affinity Photo.

Images • MIME: image/vnd.adobe.photoshop

.PSB – PSB File Format

Reference for .PSB files supporting Photoshop documents larger than 2GB or 30,000x30,000 pixels.

Primary Category Images

MIME Type image/vnd.adobe.photoshop

Magic Bytes Signature Varies

Security Risk Rating Low Risk

Recommended Software to Open .PSB

Adobe Photoshop

windows, mac, linux • Free

Photopea

windows, mac, linux • Free

Affinity Photo

windows, mac, linux • Free