Extract text from NTH files
To convert your NTH file to another format, you need Nokia Theme Studio or other Settings software.
To convert other file formats to the "Nokia S40 Theme" file type, you need software like Nokia Theme Studio or a similar tool.
An .NTH file is a Nokia Series 40 Theme package used to customize the interface of legacy Nokia feature phones (like the Nokia 6300 or 5310 XpressMusic). These files are technically standard ZIP archives that contain a collection of multimedia assets, including background images (JPEG, PNG, GIF), ringtones (MP3, AAC, MID), and a configuration file named theme_descriptor.xml.
Because the Nokia Series 40 platform is obsolete, modern smartphones (Android/iOS) and computers cannot natively open or apply these themes. Users often encounter these files when recovering data from old backups and wish to access the nostalgic content trapped inside. The most practical "conversion" is to rename the file extension from .NTH to ZIP, allowing you to extract the internal media using standard tools like 7-Zip or WinRAR. Once extracted, the individual images and audio files can be viewed, edited, or converted to modern formats.
Convert.Guru analyzes your NTH file, detects the exact format, and lets you read the text inside.
Users also converted JPEG, JPG, MP4, CPTHEME, NOKIA and NOKTXT files.
If you want to convert NTH file to TMP, TEMP, CACHE, LOG, BAK, OLD, NEW, PART, DOWNLOAD, CRDOWNLOAD, LOCK or PID, you can use Nokia Theme Studio or similar software from the "Mobile User Interface Theme" category. In the File menu, look for Save As… or Export….
To convert DEVICE, CACHE, SOCK, SYMLINK, PID, MOUNT, FIFO, LOG, PIPE, TMP, JUNCTION or TEMP files to NTH, try Nokia Theme Studio or another comparable tool in the "Mobile User Interface Theme" 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 NTH converter.