DRW to TXT Converter

DRW to TXT Conversion Explained

Converting .DRW to .TXT extracts readable text strings, annotations, and metadata from a CAD or vector drawing file while discarding all graphical elements. People convert .DRW to .TXT to pull out Bill of Materials (BOM) data, part numbers, manufacturing notes, or text blocks for indexing and translation.

When you convert .DRW to .TXT, you gain a lightweight, universally readable file that is easy to search or process with scripts. However, you lose all geometry, lines, 3D models, vector shapes, and visual layouts. This is a highly destructive conversion. If you need to preserve the visual appearance of the drawing, this conversion is a bad idea. You should convert to .PDF or .DXF instead.

Typical Tasks and Users

• Manufacturing Engineers: Extracting part lists, dimensions, and BOM tables from engineering drawings to import into ERP (Enterprise Resource Planning) systems.
• Translators: Pulling text annotations from legacy drawings to translate them into another language before re-inserting them into the CAD software.
• Data Archivists: Scraping text and metadata from thousands of legacy CAD files to make them searchable in a text-based database.
• Software Developers: Writing scripts to parse drawing metadata without needing a full CAD software license.

Software & Tool Support

The .DRW extension is fragmented. It is used by several incompatible programs, meaning the tool you need depends on the file's origin.

• Dassault Systèmes SolidWorks: Creates 3D CAD drawings. You can export BOM tables directly to text or CSV formats.
• PTC Creo: Formerly Pro/ENGINEER. Uses .DRW for 2D detailing. Users can save text and tables to external files.
• CorelDRAW: Uses .DRW for legacy vector graphics (Micrografx Designer). Text can be copied or exported using built-in macros.
• Notepad++ or VS Code: Ideal for viewing, editing, and cleaning up the resulting .TXT files after extraction.
• Custom Scripts: Developers often use the SolidWorks API or PTC Creo Toolkit to programmatically extract text arrays from proprietary .DRW binaries.

Pros and Cons of the Conversion

Pros:

• Universal Compatibility: Every operating system and device can open a .TXT file instantly.
• Data Accessibility: Exposes hidden metadata, part numbers, and text blocks to search engines and indexing tools.
• File Size: A .TXT file is typically kilobytes in size, whereas a .DRW file can be tens of megabytes.
• Automation: Plain text is easy to parse with Python, regular expressions, or database import tools.

Cons:

• Total Visual Loss: All lines, curves, shading, and spatial relationships are permanently destroyed.
• Loss of Context: Extracted text often appears as a disorganized list. A note that pointed to a specific gear in the drawing will lose that visual connection.
• Formatting Loss: Fonts, text sizes, colors, and bold/italic styling are stripped away.
• Curve Conversion Risks: If the original CAD user converted text to vector curves (paths) before saving, the text no longer exists as character data and cannot be extracted without Optical Character Recognition (OCR).

Conversion Difficulties & Why Convert.Guru

The main technical problem when you convert .DRW to .TXT is the lack of a single .DRW standard. A .DRW file is a proprietary binary format, and its structure changes completely depending on whether it was saved by SolidWorks, Creo, or an old vector graphics program.

Extracting text requires parsing these complex binary trees, identifying text nodes, and ignoring geometry data. Furthermore, CAD software often stores text in scattered blocks rather than a linear document. When extracted, the layout mapping fails, resulting in text strings that are out of order.

Convert.Guru handles this conversion accurately by identifying the specific .DRW sub-type automatically. It safely parses the binary structure, extracts valid text strings, and outputs a clean .TXT file. This allows you to recover text data without buying expensive CAD licenses or writing custom API scripts.

DRW vs. TXT: What is the better choice?

Which format should you choose?

Choose .DRW when you need to view, edit, print, or share actual engineering drawings and vector graphics. It is the only format in this pair that holds visual data.

Choose .TXT only when your goal is data extraction. If you need to feed part numbers into a database, send manufacturing notes to a translation agency, or index legacy files for a search engine, plain text is the most efficient format. Avoid converting to .TXT if you intend to show someone what the drawing looks like.

Conclusion

Converting .DRW to .TXT makes sense strictly for data extraction workflows, such as pulling BOMs, part numbers, or annotations from proprietary CAD files. The biggest limitation to watch for is the complete destruction of all visual geometry and spatial context. Because .DRW files come from various incompatible CAD programs, extracting this text manually is difficult. Convert.Guru provides a reliable, automated way to convert .DRW to .TXT, ensuring you get clean, usable text data regardless of which software originally generated the drawing.