Extract text from MIDI or text files (RTX)
To convert RTX files to another format, you need Notepad++ or other Other software.
To convert other file formats to the "Text or Audio Data File" file type, you need software like Notepad++ or a similar tool.
The .RTX file extension is heavily fragmented and serves multiple distinct purposes. According to historical usage data, it most frequently functions as a Standard MIDI music file (often used for legacy mobile ringtones) or as a Rich Text Format document. Additionally, specialized software like the discontinued AOL Instant Messenger used .RTX to save chat logs as HTML, and Thermo-Calc utilizes it to store thermodynamic calculation projects as structured XML.
Handling an .RTX file is frustrating because its extension does not reliably indicate its internal data structure. If it is an ancient AOL chat log or a legacy MIDI ringtone, modern operating systems lack native viewers to process it. Text-based .RTX files might open cleanly in Microsoft Word or Notepad++, but specialized files - such as thermodynamic calculation projects - require expensive proprietary licenses to parse accurately.
Users must convert .RTX files to standardize their data. If your file contains text or chat logs, converting to TXT, PDF, or DOCX ensures universal readability. If it is a MIDI-based sequence, converting it to an audio format like MP3 or WAV allows playback on modern media players. However, proprietary physics data may lose its mathematical formatting if forced into a basic text editor.
Because of this ambiguity, determining the true nature of an .RTX file is difficult. Standard online converters often fail by assuming every .RTX is a simple text document. If our analysis detects supported underlying formats like HTML, XML, or MIDI, viewing or conversion is often still possible.
Convert.Guru analyzes your RTX file, detects the exact format, and lets you read the text inside.
Users also converted MID, MIDI, MP3, RTF, RTTTL, TXT, PDF, JPG, KAR, ABC, ZIP, WAV and M4A files.
If you want to convert RTX file to MIDI, MP3, TXT, RTF, DOC, DOCX, ODT, PAGES, TEX, LATEX, MD or MARKDOWN, you can use Notepad++ or similar software from the "Audio Sequence or Rich Text" category. In the File menu, look for Save As… or Export….
To convert PDF, DOC, ASC, TODO, NFO, MEMO, README, DOCX, JPG, TXT, NOTE or RTF files to RTX, try Notepad++ or another comparable tool in the "Audio Sequence or Rich Text" category.
The history of Convert.Guru began over 25 years ago in California with Tom Simondi’s file-format database. A former contributor to Space Shuttle development and a software pioneer of the 1980s, Simondi established a trusted resource for file type analysis that was even referenced by Microsoft Windows XP. Today, we use modern technology to process and convert thousands of file formats while continually improving our RTX converter.