RSyntaxTextArea is a syntax highlighting, code folding text component written in Swing.

NOTE: For quite awhile now, RSTA's source has been hosted on GitHub, but releases were mirrored here on SourceForge. As of late 2015, all release artifacts are also hosted solely on GitHub. This SourceForge site is simply here to forward folks to our GitHub home:

Artifacts are also available in Maven, e.g. com.fifesoft:rsyntaxtextarea:2.x.x


  • Syntax highlighting for over 30 languages
  • Code Folding
  • Regex find and replace
  • Code completion add-on library
  • Spell checking (add-on library)
  • Bracket Matching & Mark Occurrences
  • Auto indentation

Project Samples

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BSD License

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RSyntaxTextArea Web Site

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User Reviews

  • Surprisingly easy to integrate into my project! :)

  • Excellent software components! If you need a a syntax highlighting text component for Java Swing, having a rich feature set, fast, reliable, well-documented, and having an easy API, no need to look elsewhere.

  • Rsyntaxtextarea works wonderful.

    1 user found this review helpful.
  • Amazing tool. Works perfect. Very helpful.

  • very good!

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Additional Project Details


Korean, French, Dutch, Italian, English, Chinese (Traditional), Indonesian, Brazilian Portuguese, Chinese (Simplified), German, Japanese, Spanish, Russian, Arabic, Hungarian

Intended Audience


User Interface

Java Swing

Programming Language