SK1 to RTF Converter

Convert SK1 to RTF online — rich text document free

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Universal Document

RTF opens in every word processor on every platform. Convert SK1 to RTF for the widest possible document compatibility.

Dead Simple

Upload SK1, pick RTF, download. Getting your vector design into a shareable document takes under a minute.

Files Protected

Source SK1 files are deleted immediately. RTF downloads are purged from Convertio servers within 24 hours.

How to convert SK1 to RTF

1

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

2

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

3

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

About formats

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
RTF (Rich Text Format) is a document interchange format developed by Microsoft and first published in 1987 with Word 3.0. The format encodes document content and formatting as plain ASCII text using control words (backslash-prefixed commands) and groups (curly-brace-delimited sections) that describe fonts, character formatting, paragraph layout, tables, images, and page setup. Because RTF is fundamentally a text format with no binary components, documents pass cleanly through any text channel — email systems, clipboard operations, and cross-platform transfers — without corruption. Microsoft designed RTF explicitly as a cross-application and cross-platform exchange format, and it achieved broad adoption: virtually every word processor, text editor, and document tool on every operating system has supported RTF reading and writing for decades. One advantage is exceptional cross-platform compatibility — an RTF document created on any application renders with consistent formatting on any other, making it the most reliable format for text exchange between incompatible systems. The text-based structure provides another benefit: RTF files resist corruption, are trivially generated by programs (requiring only string concatenation), and can be debugged by reading the raw markup in a text editor. While RTF lacks modern features like tracked changes and advanced layout controls, and Microsoft declared the specification frozen at version 1.9.1 in 2008, the format persists as a dependable interchange option where DOCX compatibility cannot be assumed.
Developer: Microsoft
Initial release: 1987

Frequently Asked Questions

Why convert SK1 to RTF?

RTF is a cross-platform document format supported by every word processor. Converting SK1 to RTF ensures maximum office software compatibility.

What programs open RTF files?

RTF opens in Word, WordPad, LibreOffice, TextEdit on Mac, Google Docs, and virtually every text editor with formatting support.

Is RTF better than DOC for sharing?

RTF is more universally compatible than DOC. Every word processor reads RTF, making it ideal for sharing when format support is uncertain.

Is this conversion free?

Convertio provides free SK1 to RTF conversion. Premium plans add larger file sizes and batch processing.

Does RTF preserve formatting?

RTF supports text formatting, images, and basic layout. Your SK1 design is embedded in a well-formatted document.