Click the "Select File" button above, and choose your PHF file.
You’ll see a preview, if available.
Click the "Convert file to..." button to extract text information.
Convert PHF to another file type
To convert your PHF file to another format, you need PhotoFiltre Studio or other Raster Image software.
Convert a file to PHF
To convert other file formats to the "Proprietary Project File" file type, you need software like PhotoFiltre Studio or a similar tool.
About PHF files
The .phf extension is a classic example of a "filename collision," where multiple unrelated software vendors use the same three letters.
Most users looking to convert this file possess a PhotoFiltre Studio project file. This is a proprietary raster image format, similar to Adobe's PSD, used to store multi-layer compositions, transparency, and edit history. The primary difficulty here is accessibility: .phf files are completely unreadable by standard viewers like Windows Photos, macOS Preview, or web browsers. To share your work or view it on a mobile device, you must convert these heavy project files into a flat, universal format like JPEG (for photos) or PNG (to preserve transparency).
However, you may also have encountered a .phf file in a Windows system folder (specifically C:\Windows\ServiceProfiles). In this context, it is a Microsoft Delivery Optimization file. Unlike the image format, this is simply a text-based JSON file containing hash verification data for Windows updates. These often accumulate on disk; while you can open them with Notepad++ to view the raw text, converting them to PDF is a common way to archive the data for technical documentation.
Less commonly, .phf refers to calibration data for Ford Motor Company ECUs or firmware updates for Line 6 audio equipment. These are binary blobs strictly for hardware interfaces and generally should not be converted unless you are extracting hex dumps.
Convert.Guru analyzes your PHF file, detects the exact format, and lets you read the text inside.
If you want to convert PHF file to TTF, OTF, WOFF, WOFF2, EOT, SVG, BDF, PCF, FNT, FON, PFM or AFM, you can use PhotoFiltre Studio or similar software from the "Raster Image & Data Storage" category. In the File menu, look for Save As… or Export….
To convert UFO, WOFF, PFB, GXF, AFM, F3F, SFD, WOFF2, PSF, TTF, TXF or OTF files to PHF, try PhotoFiltre Studio or another comparable tool in the "Raster Image & Data Storage" category.
The PHF 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 PHF converter.