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.psp
ImagesLow Risk
93/100 Popularity

.PSP File Extension Reference

The .PSP format is a specialized digital image specification utilizing raster or vector encoding for graphical assets. It maintains structured color palettes, coordinate bounding boxes, and compressed pixel arrays. Files with the .PSP extension are categorized under Images and are widely utilized in modern computing environments for storing, rendering, and exchanging structured data. By verifying the header signature (49 49 2A 00) using forensic byte inspection tools, users can authenticate file integrity and rule out disguised executable payloads.

Quick Specification & Metadata

.PSP
File Extension

.PSP

Category

Images

MIME Type

image/x-psp

Developer / Owner

Corel / Jasc Software

First Released

N/A

Licensing Standard

Proprietary / Patent Licensed

Format Structure

Binary Header Data

Typical File Size

1 MB - 25 MB

Common Usage:psp file, paintshop pro file, open psp

Online .PSP Viewer & Live Inspector

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Client-Side Memory

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What is a .PSP File? (Technical Definition & Architecture)

ISO / IETF / Industry Standard

The .PSP format is a specialized digital image specification utilizing raster or vector encoding for graphical assets. It maintains structured color palettes, coordinate bounding boxes, and compressed pixel arrays. Files with the .PSP extension are categorized under Images and are widely utilized in modern computing environments for storing, rendering, and exchanging structured data. By verifying the header signature (49 49 2A 00) using forensic byte inspection tools, users can authenticate file integrity and rule out disguised executable payloads.

Compression Architecture
Adaptive Lossy / Lossless

Optimized raster or vector algorithms designed for digital rendering and photo encoding.

Color Spectrum & Gamut
sRGB / Display P3 Color Channels

Encapsulates color matrices preserving natural contrast and tonal distribution.

Alpha Channel Transparency
Opaque Canvas

Enables layered compositing, icon cutouts, and transparent website assets.

PSP Binary Structure & Header Specifications

The .PSP format organizes data into validated sequential or hierarchical byte structures. Inspecting the header offset reveals the magic byte sequence 49 49 2A 00.

  • File Signature (Magic Bytes): 49 49 2A 00
  • MIME Content-Type: image/x-psp
  • Payload Structure: Optimized data stream with metadata headers and checksum records.
  • Safety Classification: Low Risk – Stores vector objects, raster layers, and script history Files ending in .PSP should always be inspected for valid magic bytes to verify they match legitimate Images specifications.

How to Open .PSP Files on Windows, Mac & Android

Step-by-Step OS Guide
How to Open on Windows 10/11
  1. 1Primary Application: Double-click or open directly with Corel PaintShop Pro.
  2. 2Alternative Software: Open using GIMP.
  3. 3File Association: Right-click the file, select Open with > Choose another app, and check Always use this app.
How to Open on Mac & iPhone
  1. 1Native macOS Application: Open with Corel PaintShop Pro.
  2. 2Quick Look Preview: Highlight the file in Finder and tap the Spacebar.
  3. 3Set Default App: Press Cmd + I, expand Open with, select your application, and click Change All.
How to Open on Android & Mobile
  1. 1Compatible Mobile Apps: Download a dedicated viewer for .psp from the Google Play Store.
  2. 2Cloud Storage: Open through Google Drive, Dropbox, or OneDrive mobile apps.
  3. 3Online Browser Conversion: Use AnyFileX mobile browser tools to convert the file into universal PDF or image formats.

Convert .PSP Files Online & Free

Zero Server Uploads
.PSP to .JPGTop ConversionFast Online

Convert your .PSP files directly into standardized .JPG format with high precision and zero privacy compromises.

.PSP to .PDFUniversal ExportStandard Output

Export .PSP files to .PDF for universal cross-platform viewing, printing, and sharing.

.PSP MIME Types & HTTP Server Headers

IANA Standard

When serving .psp files over HTTP or configuring REST APIs, web servers must send the official IANA registered Content-Type headers:

MIME Type IdentifierStandard UsageFile ExtensionsCopy
image/x-pspStandard official MIME type for .psp files.psp
Nginx / Apache Server Configuration
# Nginx mime.types
types {
    image/x-psp                            psp;
}

# Apache .htaccess
AddType image/x-psp .psp

.PSP Magic Bytes & Hex File Signatures

Offset 0x00

In digital forensics and file signature analysis, authentic .psp files begin with a standardized magic byte sequence at byte offset 0x00 to verify file integrity and prevent extension spoofing:

Standard Hex Header Signature
Hex Representation:49 49 2A 00
ASCII Representation:PSP
Byte OffsetOffset 0x00
Leading Hex Signature49 49 2A 00
ASCII RepresentationPSP
Forensic DomainImages File Format

.PSP vs .JPG (Detailed Format Comparison)

Head-to-Head
Feature Metric.PSP.JPGAdvantage
Format Full NamePSP File FormatJPG File FormatTie / Equal
CategoryImagesImagesTie / Equal
MIME Content-Typeimage/x-pspimage/jpegTie / Equal
Binary Header (Magic Bytes)49 49 2A 00FF D8 FFTie / Equal
Typical Storage Footprint1 MB - 25 MB500 KB - 15 MBTie / Equal
Universal Native SupportHigh / OS StandardHigh / OS StandardTie / Equal

.PSP Compatibility Matrix

Windows 11 / 10

Supported natively or through Corel PaintShop Pro

Full Support
macOS Sonoma / Ventura

Supported natively or via GIMP

Supported
Linux (Ubuntu / Fedora)

Supported via open-source tools and command line utilities

Supported
iOS & iPadOS

Accessible through compatible mobile viewers or cloud previewers

Mobile App
Android 10+

Supported through dedicated mobile apps or cloud viewers

Mobile App
ChromeOS

Accessible via web browser applications and Chrome extensions

Web / App

Recommended Software for .PSP

3 Verified Apps
C

Corel PaintShop Pro

Corel / Jasc Software

Paid / Commercial
4.7 / 5.0
•
Compatible with .PSP
G

GIMP

GIMP Team

Free
4.8 / 5.0
•
windows, mac, linux
Compatible with .PSP
X

XnView

Pierre-Emmanuel Gougelet (XnSoft)

Free
4.9 / 5.0
•
windows
Compatible with .PSP

Common Errors & Troubleshooting .PSP Files

Troubleshooting
1Inspect File Header: Use the AnyFileX Magic Byte Detector to verify that the first bytes match 49 49 2A 00.
2Prevent Extension Spoofing: Ensure "File name extensions" is checked in your OS file manager to detect disguised double extensions (e.g., file.PSP.exe).
3Verify Checksum Integrity: Calculate SHA-256 or MD5 hashes against source downloads using our online Checksum Verifier.
4Inspect Container Structure: If PSP files fail to launch, verify whether the file was truncated during download or corrupted in transit.

Security & Malware Risk Assessment

Low Risk

Can a .PSP file carry viruses or malware?

Stores vector objects, raster layers, and script history Files ending in .PSP should always be inspected for valid magic bytes to verify they match legitimate Images specifications.

Executable Macros

No active macro execution support

Sandboxed Parsing

Safe to inspect with AnyFileX's browser sandbox

Safety Checklist Before Opening
  • •Verify file extension in OS File Explorer options ('Show known file extensions').
  • •Verify magic bytes (49 49 2A 00) to ensure the file isn't a renamed executable.
  • •Do not open .PSP attachments received unexpectedly via email or instant messenger.

Preguntas frecuentes

Respuestas claras a las preguntas más habituales.

A .PSP file is a PSP File Format associated with Images. Jasc / Corel PaintShop Pro .PSP / .PSPIMAGE graphic document.
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    A .PSP file is a PSP File Format file format categorized under Images. Jasc / Corel PaintShop Pro .PSP / .PSPIMAGE graphic document.

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