ATR to TXT Converter

ATR to TXT Conversion Explained

Converting .ATR to .TXT involves extracting human-readable text from a binary file. Because the .ATR extension is shared by two completely different formats—Atari 8-bit disk images and PhysioBank ECG annotation files—the conversion process depends entirely on the source file.

When you convert an Atari disk image to plain text, you extract internal text files, BASIC code, or ASCII strings from the disk file system. When you convert an ECG annotation file, you translate binary medical markers (like heartbeat timestamps and rhythm changes) into a readable list.

People perform this conversion to make proprietary or legacy data universally readable and searchable. You gain immediate access to the raw data without needing emulators or specialized medical software. However, you lose the original binary structure. An extracted .TXT file cannot boot an Atari emulator, nor can it natively sync with PhysioNet signal files without custom scripting. Converting a purely binary Atari game disk to text is a bad idea, as it will only output garbled characters.

Typical Tasks and Users

• Medical Researchers and Data Scientists: Need to parse ECG annotations (.ATR) into plain text or CSV formats to train machine learning models, run statistical analysis, or import patient data into databases.
• Retrocomputing Enthusiasts and Archivists: Want to extract old documentation, text adventures, or BASIC source code from Atari 8-bit disk images (.ATR) to read or publish on modern web platforms.
• Software Developers: Require raw text extraction to migrate legacy data from obsolete systems into modern applications.

Software & Tool Support

Different tools are required depending on the type of .ATR file you possess:

• For ECG Annotation Files: PhysioNet provides the open-source WFDB (Waveform Database) software package. The command-line tool rdann reads .ATR files and outputs formatted text. Developers often use the wfdb-python library to parse these files programmatically.
• For Atari Disk Images: Emulators like Altirra and Atari800 can mount .ATR files, allowing users to export text manually. Command-line tools like Dir2ATR or disk managers like RespeQt help extract files from the disk image.
• For Raw Inspection: Hex editors like HxD (free) can open any .ATR file to view raw ASCII strings, though this method does not format the output.

Pros and Cons of the Conversion

Pros:

• Universal Compatibility: .TXT files open on any operating system, mobile device, or text editor.
• Data Accessibility: Researchers can easily parse text-based ECG annotations using Python, R, or Excel.
• Preservation: Extracting text from aging Atari disk images ensures the written content survives even if the emulator ecosystem changes.

Cons:

• Loss of Execution: A .TXT file cannot be mounted as a virtual floppy disk.
• Encoding Issues: Atari systems use ATASCII (Atari ASCII). Converting this to standard UTF-8 text often breaks special graphical characters and custom line endings.
• Decoupling of Data: In ECG files, the .ATR annotation is tightly coupled with .dat (signal) and .hea (header) files. Converting only the annotation to text breaks this native synchronization.

Conversion Difficulties & Why Convert.Guru

Converting .ATR to .TXT presents strict technical challenges. For ECG files, the converter must decode specific binary offsets and medical annotation codes defined by the WFDB standard. For Atari files, the converter must parse legacy file systems (such as DOS 2.0S or MyDOS), locate the text files within the disk sectors, and accurately map ATASCII characters to modern UTF-8 encoding.

Convert.Guru simplifies this pipeline. It automatically identifies whether your .ATR file is an ECG annotation or an Atari disk image. For medical files, it translates the binary timestamps and labels into a clean, structured text list. For retro disk images, it scans the file system, extracts readable strings, and handles the ATASCII-to-UTF-8 character mapping. This provides an accurate .TXT file without requiring users to install command-line tools or configure emulators.

ATR vs. TXT: What is the better choice?

Which format should you choose?

Choose .ATR when you need to run Atari software in an emulator or when you are actively analyzing ECG signals using native PhysioNet WFDB software. The binary format is required to maintain system execution and exact signal synchronization.

Choose .TXT when you need to read the extracted data, share it with non-technical users, or import ECG annotations into a custom script or database.

Avoid converting to .TXT if your goal is to modify the data and put it back into the original system. Converting .TXT back into a bootable Atari disk or a valid WFDB annotation file is highly complex and prone to data corruption.

Conclusion

Converting .ATR to .TXT makes sense when you need to extract readable information—such as medical heartbeat annotations or legacy BASIC code—from a specialized binary format. The biggest limitation to watch for is that this is a one-way extraction; you lose the binary structure required to run the file in its native environment. Convert.Guru is a reliable choice for this exact conversion because it correctly identifies the specific .ATR variant, handles complex character encoding, and delivers clean, usable text without requiring specialized software.