.PS file extension

To open .PS files on Windows, if double-clicking doesn’t work, install a PostScript interpreter/converter such as Ghostscript (GNU Ghostscript).

To open a .PS file, use a PostScript viewer/converter (commonly Ghostscript-based) or a document viewer that supports PostScript (for example, Okular on Linux). If your device can’t preview it, convert the .PS to PDF on a desktop first.

Home Extension Index Documents in index Documents category page

Last updated: June 11, 2026 · Reviewed by Julian Stricker

What “reviewed” means on this page

Format fit: whether the “what is this file?” description matches common real-world use of the extension, including category, typical MIME types, and aliases.
Opening paths: whether Windows / macOS / Linux steps read plausibly for current OS dialogs and default apps; we remove fantasy menus and unsafe shortcuts.
Security framing: whether risk notes match the extension class (for example executables vs plain data) and whether affiliate wording does not contradict the security section.
Sources and further reading: whether external links point to vendors, standards bodies, or other primary references where possible; we avoid inventing details we cannot ground.
Limits: this is clarity and safety-messaging QA, not a guarantee that every statement is exhaustive or that every binary you download is harmless.

Full methodology in the Imprint — The Imprint also states where AI is used and what that does—and does not—replace.

Open on your device

Choose your operating system for a dedicated step-by-step opening guide.

How to open .PS files

Use these platform-specific instructions to open .PS files safely.

Windows

If double-clicking doesn’t work, install a PostScript interpreter/converter such as Ghostscript (GNU Ghostscript).
Open/convert the .PS to PDF using your Ghostscript-based tool, then view the resulting PDF in your usual PDF viewer.

Full Windows guide

Mac

If your default apps won’t open the .PS file, use a Ghostscript-based tool to render or convert it to PDF.
After conversion, open the PDF in your usual viewer.

Full Mac guide

Linux

Try opening the .PS file in Okular (it lists PS/PostScript support in its format handlers).
If needed, use Ghostscript to convert the .PS to PDF, then open the PDF in your preferred viewer.

Full Linux guide

iOS

iOS may not reliably preview .PS; if it won’t open, transfer the file to a desktop and convert it to PDF using a Ghostscript-based tool, then send the PDF back to your device.

Full iOS guide

Android

Android support for .PS varies; if no viewer works, move the file to a desktop and convert it to PDF with Ghostscript, then open the PDF on Android.

Full Android guide

Security notes

PostScript is an interpreted language; only open .PS files from sources you trust, since malicious content can target vulnerabilities in PostScript interpreters/viewers.
Prefer converting .PS to PDF using a well-maintained interpreter (such as Ghostscript) and viewing the PDF in a standard viewer, rather than using unknown mobile apps or online converters for sensitive documents.
If you must handle an untrusted .PS, consider rendering/converting it in a more isolated environment (for example, a dedicated user account or sandbox) to reduce risk from potential parser exploits.

If you did not expect this file

This extension is usually plain data, text, or structured content—not a program by itself. The practical risk is social engineering (a scam attachment or misleading filename). For trusted senders you rarely need heavy-handed antivirus wording; use these tools when you want an extra check on unexpected downloads.

Avast

Avast offers free and premium antivirus software that protects against viruses, malware, ransomware, and phishing. Scan files before opening them to ensure safety.

Norton

Norton 360 delivers comprehensive antivirus protection, VPN, and identity theft monitoring. Scan files for threats before opening to keep your device secure.

We may earn a commission when you use affiliate links. This supports our free file extension guides.

Can't open this file?

These are the most common causes and fixes when .PS files fail to open.

Common reasons

The .PS file won’t open or shows blank/garbled pages
Fonts look wrong or text is missing after viewing/conversion
Printing fails or prints incorrectly

Fix steps

Open the file with a PostScript-capable tool (for example, Okular on Linux) or convert it with Ghostscript to PDF.
Re-download or re-copy the file to ensure it’s complete, then try again.

OS-specific troubleshooting

What is a .PS file?

.PS is a PostScript file: a page description language that describes text and graphics for accurate printing and rendering. PostScript files can be viewed, printed, and converted by interpreters (such as Ghostscript) and by some document viewers that include PostScript support.

Background

PostScript is a programming-language-based page description format used to represent pages in a device-independent way, historically important in professional printing workflows. A .PS file typically contains instructions for drawing text and vector graphics, and may embed raster images.

In practice, .PS files are often generated by print systems, publishing tools, or “Print to file” workflows. Many users today convert .PS to PDF for easier viewing and sharing, but PostScript remains common in some print pipelines.

Because PostScript is an interpreted language, opening/rendering a .PS file relies on a PostScript interpreter or a viewer that includes one. This also means malformed or malicious PostScript can potentially trigger vulnerabilities in interpreters, so treat unexpected .PS files with care.

Common MIME types: application/postscript

Common .PS issues

The .PS file won’t open or shows blank/garbled pages

This often happens when there’s no PostScript interpreter installed, the viewer lacks PS support, or the file is damaged/incomplete.

Open the file with a PostScript-capable tool (for example, Okular on Linux) or convert it with Ghostscript to PDF.
Re-download or re-copy the file to ensure it’s complete, then try again.

Fonts look wrong or text is missing after viewing/conversion

PostScript output can depend on font availability or how fonts were embedded when the file was created.

Convert the .PS to PDF with Ghostscript and compare results in a different viewer to rule out a viewer-specific rendering issue.
If you control file creation, regenerate the .PS ensuring required fonts are embedded or available to the rendering system.

Printing fails or prints incorrectly

.PS is frequently used in printing, but printer drivers/spoolers may not accept your specific PostScript level/features or the pipeline may expect a different format (often PDF).

Convert the .PS to PDF with Ghostscript and print the PDF instead.
If a print system specifically requires PostScript, try rendering with a different interpreter/version (for example, updating Ghostscript) and reprint.

FAQ

What does a .PS file contain?

It contains PostScript instructions that describe how a page should be drawn (text, vector graphics, and possibly images), commonly used for printing and print-ready document exchange.

Is .PS the same as PDF?

No. Both can represent pages, but PDF is a different format. A common workflow is to convert .PS to PDF for easier viewing and sharing.

What is the official MIME type for .PS files?

The standardized media type is application/postscript (registered with IANA and defined in MIME specifications).

Can I fix a .PS file by renaming it to .PDF?

No. Renaming only changes the filename extension. You need to convert/render the PostScript content to PDF using a PostScript interpreter or conversion tool.

Similar file extensions

Compare related formats in the same category to find the right tool faster.