PSB

Writable

image

Adobe Photoshop is a raster graphics editor developed and published by Adobe Systems. The Large Document Format supports documents of up to 300,000 pixels in any dimension as opposed to the PSD limit of 30,000 pixels.

Identify it

Extensions	`.psb`
MIME types	`image/vnd.adobe.photoshop`
Signatures	`384250530002000000000000` at byte 0 (Adobe Photoshop PSB) `384250530002` at byte 0
PRONOM	`fmt/996`
Wikidata	`Q1437034`

Not sure your file is this? Identify it from its first bytes, in your browser.

Open it

ImageMagickOpen sourcereads and writes · ImageMagick License
ImageMagick (WebAssembly)Open sourcereads and writes · Apache-2.0
Q141647655Open sourcereads and writes · Apache Software License 2.0 / MIT License
ConverseenOpen sourcereads · GNU General Public License, version 3.0
ExifToolOpen sourcereads · Artistic License / GNU General Public License, version 1.0 or later
PhotoRecOpen sourcereads · GNU General Public License
Zoner Photo Studioreads and writes
Affinity Photoreads
Clip Studio Paintreads · proprietary license
MediaRich Serverreads
Q129793reads · shareware
SAIreads · proprietary license

Convert it

Convert a file in your browser The steps marked “in browser” run on your machine; nothing is uploaded.

To	With	Fidelity	Command and losses
BMP 5.0	ImageMagick (WebAssembly)	Lossless	in browser Pixels kept; some metadata, colour profiles or layers may be dropped.
PNG	ImageMagick	Lossless	`convert in.psb out.png` Pixels kept; some metadata, colour profiles or layers may be dropped.
PNG	ImageMagick (WebAssembly)	Lossless	in browser Pixels kept; some metadata, colour profiles or layers may be dropped.
Quite OK Image Format	ImageMagick (WebAssembly)	Lossless	in browser Pixels kept; some metadata, colour profiles or layers may be dropped.
TIFF	ImageMagick	Lossless	`convert in.psb out.tif` Pixels kept; some metadata, colour profiles or layers may be dropped.
TIFF	ImageMagick (WebAssembly)	Lossless	in browser Pixels kept; some metadata, colour profiles or layers may be dropped.
PDF	ImageMagick (WebAssembly)	Partial	in browser The image is embedded in a PDF page.
AVIF	ImageMagick (WebAssembly)	Lossy	in browser Lossy compression.
GIF 89a	ImageMagick	Lossy	`convert in.psb out.gif` Reduced to 256 colours.
GIF 89a	ImageMagick (WebAssembly)	Lossy	in browser Reduced to 256 colours.
ICO	ImageMagick (WebAssembly)	Lossy	in browser Icons are limited to 256 × 256 pixels.
JFIF 1.02	ImageMagick	Lossy	`convert in.psb out.jpg` Lossy compression.
JFIF 1.02	ImageMagick (WebAssembly)	Lossy	in browser Lossy compression.
JPEG XL	ImageMagick (WebAssembly)	Lossy	in browser Lossy compression.
WebP	ImageMagick	Lossy	`convert in.psb out.webp` Lossy compression.
WebP	ImageMagick (WebAssembly)	Lossy	in browser Lossy compression.

Sources

From Converters (FFmpeg, ImageMagick, Pandoc, LibreOffice), WebAssembly engines (ImageMagick, FFmpeg, Pandoc, 7-Zip, GDAL, Assimp, resvg), Just Solve the File Format Problem (File Formats Wiki), PRONOM, Wikidata. Updated 2026-10-26.

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