Click the "Select File" button above, and choose your SPDF file.
You’ll see a preview, if available.
Click the "Convert file to..." button to extract text information.
Convert SPDF to another file type
To convert SPDF documents to another format, you need PerkinElmer Spectrum or other Data software.
Convert a file to SPDF
To convert other file formats to the "Scientific Data / Secure Document" file type, you need software like PerkinElmer Spectrum or a similar tool.
About SPDF files
A .SPDF file generally serves one of two completely different purposes. It is either a proprietary Spectroscopy Data file created by PerkinElmer Spectrum software, or a DRM-protected Sealed PDF document managed by Oracle IRM (Information Rights Management) or Adobe. PerkinElmer uses the format to store complex scientific data, such as infrared (IR) or near-infrared (NIR) spectra. Oracle and Adobe use the .SPDF extension to lock down standard PDF documents with military-grade encryption, ensuring that only authorized users can read or print the contents. The primary disadvantage of the .SPDF format is its extreme vendor lock-in. Spectroscopy data requires an expensive, specialized software license to view. Sealed PDFs are intentionally designed to prevent unauthorized access, meaning they cannot be opened in standard web browsers or popular, free PDF readers. Furthermore, access to a Sealed PDF can be revoked remotely by the publisher at any time. Users typically need to convert spectroscopy .SPDF files to .CSV or .TXT for data analysis in tools like Excel or Python. For document users, the goal is to unseal the file into a standard .PDF. However, standard online converters universally fail to process .SPDF files because of the undocumented binary structures in the scientific data and the heavy AES encryption in the DRM documents. Often only the original software can properly read or export the data. Convert.guru can still identify the file format, inspect the file, and show text or internal content. Just drag and drop your file to identify the format, view it, and convert it when possible. If our analysis detects a supported underlying or embedded format, viewing or conversion may still be possible.
Convert.Guru analyzes your SPDF file, detects the exact format, and lets you read the text inside.
Users also converted SFPDF, PDF, SOS, EDT and TDR files.
FAQ
If you want to convert SPDF file to PDF, BASE64, HEX, BIN, ENC, CRYPT, AES, DES, RSA, PGP, GPG or ASC, you can use PerkinElmer Spectrum or similar software from the "Proprietary Data and DRM Documents" category. In the File menu, look for Save As… or Export….
To convert CER, BIN, PEM, DER, KEY, P7S, PFX, ENC, P12, BASE64, P7B or HEX files to SPDF, try PerkinElmer Spectrum or another comparable tool in the "Proprietary Data and DRM Documents" category.
The SPDF 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 SPDF converter.