How to extract text from your EV3 file
- Click the "Select File" button above, and choose your EV3 file.
- You’ll see a preview, if available.
- Click the "Convert file to..." button to extract text information.
Convert EV3 to another file type
To convert your EV3 file to another format, you need LEGO MINDSTORMS EV3 or other Developer software.
- EV3 to LMSP
- EV3 to JS
- EV3 to TS
- EV3 to PY
- EV3 to JAVA
- EV3 to CPP
- EV3 to C
- EV3 to CS
- EV3 to PHP
- EV3 to RB
- EV3 to GO
- EV3 to RS
Convert a file to EV3
To convert other file formats to the "Robotics Project Container" file type, you need software like LEGO MINDSTORMS EV3 or a similar tool.
- SH to EV3
- PY to EV3
- KT to EV3
- PS1 to EV3
- SWIFT to EV3
- LUA to EV3
- PL to EV3
- JAVA to EV3
- SCALA to EV3
- JS to EV3
- VBS to EV3
- TS to EV3
About EV3 files
The .EV3 file extension represents two distinct proprietary formats, creating frequent confusion for users.
1. LEGO Mindstorms EV3 Project (Primary Use)
Most commonly, this is a compressed project archive created by the now-discontinued LEGO MINDSTORMS EV3 Home Edition. These files contain your robot's visual programming blocks, sound effects (MySound.rsf), and images (MyImage.rgf).
Common Friction Points:
- Proprietary Lock-in: The official LEGO software is large, aging, and difficult to install on modern macOS or Windows 11 systems.
- Opaque Structure: Users often want to extract a specific sound recording or image but cannot see inside the package.
- Migration Needs: Educators and hobbyists are moving to Python or Scratch, but
.ev3 block code does not automatically convert to text-based code.
Best Conversion Targets:
- To Extract Assets: Since the file is essentially a renamed ZIP archive, you can rename the extension from
.ev3 to .zip and open it with 7-Zip or WinZip. This allows you to extract WAV audio (converted from .rsf) or PNG images (from .rgf). - To Code: There is no direct converter for blocks-to-Python. Users must manually rewrite logic using Visual Studio Code with the ev3dev or Pybricks libraries.
2. Hy-Tek Swim Meet Event File
In competitive swimming, this file contains meet definitions (events, qualifying times, session setups) exported by Hy-Tek MEET MANAGER.
Practical Constraints:
- Compatibility: This is a database export meant solely for import into Team Manager. It cannot be opened by Excel or text editors meaningfully.
- Conversion: To view this data in a spreadsheet, you must import it into the Hy-Tek software and export a CSV or PDF report.
Convert.Guru analyzes your EV3 file, detects the exact format, and lets you read the text inside.
Users also converted HYV, EV3P, EV3S, LMSP, ZIP, EV3B, RBF, TXT, PDF, PY, PLN, PNG and JPG files.
The EV3 Converter Story
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 EV3 converter.