PHL Converter

Extract text from PHL files


Drop or upload your .PHL file

How to extract text from your PHL file

  1. Click the "Select File" button above, and choose your PHL file.
  2. You’ll see a preview, if available.
  3. Click the "Convert file to..." button to extract text information.

Convert PHL to another file type

To convert your PHL file to another format, you need Amazon Kindle or other Data software.

Convert a file to PHL

To convert other file formats to the "E-Reader & Lighting Data" file type, you need software like Amazon Kindle or a similar tool.


About PHL files

The .phl extension primarily identifies the Kindle Popular Highlights file, a proprietary data format generated by Amazon Kindle devices and apps. These files serve a specific niche: they store the metadata for passages that have been frequently highlighted by the broader community of readers for a specific e-book. While intended to enhance the reading experience by overlaying "Popular Highlight" underscores, these files often become a source of user frustration due to their opacity. They typically exist as sidecar files alongside the actual book (often matching the filename of the .AZW or .MOBI file) and can be either uncompressed XML or GZIP compressed data. Because they are internal system files, they are not designed to be opened manually; however, curious users or data archivists often convert them to readable XML or TXT to inspect the raw highlight data without relying on the Kindle interface.

A secondary but significant use of the .phl extension is for Philips Photometric Data, associated with lighting simulations and DIALux software. These files contain technical specifications regarding light distribution for luminaires manufactured by Philips (now Signify). The friction here lies in interoperability; architects and lighting designers frequently struggle to import these proprietary files into general-purpose 3D or CAD software. The standard workflow involves converting these specific photometric files into universal industry standards like IES (Illuminating Engineering Society) or LDT (EULUMDAT) formats to ensure accurate lighting rendering across different platforms.

Convert.Guru analyzes your PHL file, detects the exact format, and lets you read the text inside.

Users also converted YJF, KFX, AZW, YJR, APNX, RES, ZIP, MBP, SDR, PHP, PDF, MD and JPG files.


FAQ

If you want to convert PHL file to PDF, EPUB, MOBI, AZW, AZW3, KFX, PRC, LIT, OPF, CBZ, CBR or CB7, you can use Amazon Kindle or similar software from the "E-Reader Metadata Storage" category. In the File menu, look for Save As… or Export….

To convert FB2, MOBI, CBT, RTF, CB7, DOCX, DJVU, AZW, CBA, PDF, DOC or EPUB files to PHL, try Amazon Kindle or another comparable tool in the "E-Reader Metadata Storage" category.



The PHL 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 PHL converter.