Extract text from display project files (HMI)
To convert HMI projects to another format, you need Nextion Editor or other Developer software.
To convert other file formats to the "Human Machine Interface File" file type, you need software like Nextion Editor or a similar tool.
A .HMI file primarily stores Human Machine Interface project data. These files contain graphical user interface layouts, button configurations, graphical assets, and event logic for interactive touch displays used in industrial automation, consumer electronics, or custom DIY projects.
The most common software environments that create these files are Nextion Editor for smart serial displays and Siemens WinCC flexible for heavy industrial control panels. Alternatively, the extension is used for HMI Audio Files developed by Miles Design, which are modified MIDI files used for soundtracks in classic MS-DOS PC games.
The major disadvantage of .HMI files is their highly proprietary and fragmented nature. The format is not standardized. A .HMI file created in Nextion Editor is entirely incompatible with Siemens WinCC or Beijer Electronics software. They require specific, often expensive or localized engineering suites to open. Legacy .HMI audio files face a different problem: modern operating systems and media players lack the specialized synthesizers required to play them.
For HMI audio files, converting to standard MP3 or WAV is highly recommended to restore playback compatibility. For HMI project files, direct conversion to a static format like PDF or JPG is usually impossible with standard tools because the file contains compiled interactive logic, not just static visual documents.
Because these formats are closed and proprietary, standard online converters fail to process them. Often, only the original software can properly read or export the data. However, just drag and drop your file onto convert.guru to identify the exact format, view its metadata, and convert it when possible. Even with proprietary files, our analysis can inspect the binary, reveal embedded text, and extract underlying media if a supported embedded format is detected.
Use Convert.Guru to open and convert your HMI file.
Users also converted HTM, HTML, HEIC, JPG, JAR, DAT, CXP, HPRJ and MPP files.
If you want to convert HMI file to CSV, JSON, XML, YAML, YML, TOML, INI, CFG, CONF, DAT, DB or SQL, you can use Nextion Editor or similar software from the "HMI Project Storage" category. In the File menu, look for Save As… or Export….
To convert DBF, XML, SQLITE, XLSX, SQL, TSV, ACCDB, YAML, MDB, CSV, ODS or JSON files to HMI, try Nextion Editor or another comparable tool in the "HMI Project Storage" 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 HMI converter.