Что такое формат файла PSF?
The .psf extension is the native project format for ArcSoft PhotoStudio, a consumer photo editor developed by ArcSoft, Inc. that became widely distributed in the late 1990s and 2000s through bundling with scanners, webcams, and printers.
A .psf file stores a complete raster image in a closed proprietary binary format, preserving multiple editable layers along with per-layer settings - making it functionally analogous to Adobe Photoshop's .PSD, though the two formats are incompatible. Because the format specification is not publicly documented, no known magic byte signature exists; files are identified by their association with the PhotoStudio application rather than by a file header.
File size varies from a few hundred kilobytes to tens of megabytes depending on image dimensions and the number of layers. Color depth reaches up to 24-bit RGB or 32-bit with an alpha channel.
To use a .psf image in other applications, open it in ArcSoft PhotoStudio and export or flatten it to a standard interchange format such as .JPG, .PNG, or .TIF. XnView MP also provides limited viewing support on Windows.
Note: the .psf extension is shared by unrelated formats - including Adobe Photoshop proof-setup files and Linux/Unix PC Screen Font console font files - so context and the creating application determine which format a given .psf file actually is.
Безопасность и защита
РИСК: LOWAn ArcSoft PhotoStudio .psf is image data with no executable content, so opening one is safe. The practical cautions are sourcing and confusion: ArcSoft PhotoStudio is old/bundled software, so download it only from arcsoft.com or trusted archives (avoid 'codec'/'viewer' download portals that bundle adware). Also make sure your .psf actually is a PhotoStudio image and not a same-extension font or Photoshop proof-setup preset before trying image tools on it.
Детали формата
в двух словах- PostScript Font (Type 1/3) - On some systems .psf denotes a PostScript printer/screen font; AutoCAD also uses .psf for PostScript font-substitution/pattern files.
- Adobe Photoshop Proof Setup - Photoshop saves color proof-setup presets (soft-proofing settings) as .psf preference files - settings, not images.
- PC Screen Font (Linux console) - The Linux console uses .psf (PC Screen Font) bitmap console fonts - unrelated to imaging.
Программы, открывающие файлы PSF
Windows2 apps
ArcSoft PhotoStudio
Платно Open the .psf in PhotoStudio (the app that created it) to view/edit with layers intact, then Save As JPG/TIFF/PNG to use elsewhere. Verify current availability on arcsoft.com. 
XnView MP
Бесплатно Open the .psf to view it and batch-convert to JPG/PNG/TIFF. XnView recognizes many legacy formats; layers are flattened on export. 
macOS1 app
ArcSoft PhotoStudio (older Mac builds)
Платно If you have a Mac build of PhotoStudio, open the .psf there and export to a standard image format. Newer macOS may not run old builds. Технические подробности
глубокая спецификация| Developer | ArcSoft, Inc. |
| Format type | Proprietary binary layered raster image |
| Encoding | Binary (proprietary, non-standard raster encoding) |
| Byte order | Little-endian (Windows-native application) |
| Layer support | Yes - stores multiple editable layers with per-layer settings |
| Color depth | Up to 24-bit RGB; 32-bit RGBA with alpha channel |
| Compression | Proprietary; algorithm not publicly documented |
| MIME type | application/octet-stream (image/x-psf used informally) |
| Typical file size | Hundreds of KB to tens of MB depending on image dimensions and layer count |
| Magic bytes / file signature | None publicly documented; identified by application association |
| Platform | Windows (primary); legacy macOS (older PhotoStudio for Mac builds) |
| Extension disambiguation | Shared with Photoshop proof-setup files and Linux/Unix PC Screen Font files - context determines which |
| Distribution history | Bundled free with consumer scanners, webcams, and printers throughout the late 1990s-2000s |
| Выпущен | 1990s (ArcSoft PhotoStudio; bundled widely with scanners/printers) |
| Последняя версия | ArcSoft PhotoStudio 6 (last widely distributed desktop version) |
Конвертации PSF
Вопросы и ответы сообщества
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