Extract text from Flipkart eBooks (FKB)
To convert FKB eBooks to another format, you need Flipkart eBooks or other E-Book software.
To convert other file formats to the "Proprietary eBook File" file type, you need software like Flipkart eBooks or a similar tool.
The .FKB file is a proprietary digital book format developed by Flipkart for their mobile and web eBook reader applications. It stores text, formatting, and images for electronic books purchased specifically from the Flipkart digital store.
Originally, these files were opened using the official Flipkart eBooks app for Android, iOS, or Windows. However, Flipkart officially shut down its eBook division in 2015, transitioning its user base to Rakuten Kobo, rendering the original software obsolete.
Users need to convert this file because the .FKB format is completely locked into a discontinued and dead ecosystem. The main disadvantage is that these files are proprietary and heavily restricted by Digital Rights Management (DRM). You cannot read them on modern e-readers, such as a Kindle, or standard web browsers without stripping the DRM first.
The most logical conversion targets are standard formats like EPUB for flexible reading across multiple devices, or PDF for fixed layout preservation. Note that converting a DRM-locked file will fail unless the encryption is removed; if successful, you may still lose Flipkart-specific annotations or bookmarks.
This file format is exceptionally difficult to open or convert because standard online converters fail to bypass the proprietary DRM encryption. Only the original software or specialized decryption tools can properly read or export the data. If our analysis detects a supported underlying or embedded format, viewing or conversion may still be possible.
Convert.Guru analyzes your FKB file, detects the exact format, and lets you read the text inside.
If you want to convert FKB file to , you can use Flipkart eBooks or similar software from the "Proprietary eBook Storage" category. In the File menu, look for Save As… or Export….
To convert files to FKB, try Flipkart eBooks or another comparable tool in the "Proprietary eBook 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 FKB converter.