PS to SK1 Converter

PostScript to sK1 vector format — convert for free

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Illustration Format

Transform PostScript graphics into SK1 — the native format of the sK1 vector editor, designed for prepress workflows.

CMYK Support

SK1 supports CMYK color spaces. Your PostScript print content converts into a format that handles professional color properly.

No Install Required

Convert PS to SK1 online without installing sK1 first. Download the file and open it in the editor when ready.

How to convert PS to SK1

1

Select files from Computer, Google Drive, Dropbox, URL or by dragging it on the page.

2

Choose sk1 or any other format you need as a result (more than 200 formats supported)

3

Let the file convert and you can download your sk1 file right afterwards

About formats

PS is the standard extension for files written in PostScript, the page description language created by Adobe Systems and first shipped in 1984 with the Apple LaserWriter. A PostScript file is a complete program that describes the precise appearance of a page — text, vector graphics, curves, fills, and even embedded raster images — using a stack-based interpreted language with full programming constructs. When sent to a PostScript-compatible printer or interpreter (such as Ghostscript), the program executes and produces rendered output. PostScript introduced cubic Bezier curves as the standard representation for smooth outlines, a mathematical model that became the foundation for virtually all subsequent vector graphics and font technology including PDF, SVG, and OpenType. The language also serves as a font format: Type 1 PostScript fonts encode glyph outlines as PostScript programs with hinting instructions for sharp rendering at low resolutions, while Type 3 fonts use the full language to define arbitrarily complex glyphs. One advantage is device independence — a PostScript file produces identical output whether rendered on a 300 dpi desktop printer, a high-resolution imagesetter, or a software rasterizer, because it describes shapes mathematically rather than as pixel grids. The human-readable text format provides another practical strength: PS files can be inspected, debugged, and modified with any text editor, and they can be generated programmatically by any software without requiring specialized libraries. PostScript files are widely handled by Ghostscript, Adobe Acrobat, preview applications, and numerous publishing and graphics tools.
Developer: Adobe Systems
Initial release: 1984
SK1 is the native file format of the sK1 project, an open-source vector graphics editor and conversion engine started by Igor Novikov in 2003 as a successor to Bernhard Herzog's Skencil. The format evolved from the original SK format, extending its capabilities while maintaining the text-based, Python-readable syntax for describing vector documents. SK1 files encode complete document structures including multiple pages, layers, guidelines, and a full hierarchy of graphic objects — Bezier paths, rectangles, circles, polygons, text blocks, and embedded raster images — with attributes for fills (solid, gradient, pattern, hatching), strokes, and transformations. The sK1 project distinguished itself by focusing on prepress and professional print production features, adding CMYK color management, ICC color profiles, spot color support, and PDF/PostScript output — capabilities unusual in open-source vector editors. One advantage is professional color handling — sK1's CMYK workflows and color management make it one of the few open-source tools suitable for print-ready vector production. The project's companion tool, UniConvertor, leverages the SK1 format as an intermediate representation for converting between numerous vector formats (CDR, CMX, WMF, EMF, SVG, and others), giving SK1 significance beyond the editor itself as a universal interchange format. The text-based file structure preserves the readability and scriptability advantages inherited from Skencil's original SK format.
Initial release: 2003

Frequently Asked Questions

Why convert PS to SK1?

SK1 is the native format for the sK1 illustration application. Converting PS opens PostScript graphics for editing in sK1.

What is sK1?

sK1 is an open-source vector graphics editor focused on prepress and professional illustration on Linux and Windows.

What programs open SK1 files?

SK1 files open in the sK1 vector editor and can be processed by UniConvertor for format interchange.

Is the conversion free?

Free PS to SK1 conversion is available at Convertio. Premium accounts unlock higher limits and faster processing.

Does SK1 support CMYK?

sK1 and its format support CMYK color spaces — making it suitable for prepress and professional print workflows.