Drop file here. 150 MB maximum file size.
A HEIF file is a saved image in the high-efficiency image format (HEIF), compressed at a loss. It can contain still images, collections of images, gusts of images and sequences of images. The HEIF files also store descriptive metadata for each image.
An FictionBook 2.0 file is an eBook file developed in Russia. It describes each element of the book and is designed primarily for fictional literature. The FB2 files can be viewed by eBook readers for Windows, MacOS and Linux.
Access powerful and secure free online HEIF tools to convert, view, edit, merge, split, and compare HEIF files β all without installing any software. Our tools support the .HEIF (High Efficiency Image Format) file extension and run smoothly in any modern browser.
Select a tool below to explore features and manage your HEIF files directly from your device with ease.
Chose or drag & drop your HEIF file, click Convert to FB2, and download the FB2 file. No registration needed.
Yes, all uploads are encrypted. Your files are auto-deleted after 24 hours.
Yes, our converter retains layout, fonts, and images as accurately as possible.
Fileproinfo converter engine works fast. You can convert HEIF to FB2 in a few seconds to couple of minutes for large size files with complex structure.
FileProInfo support manay file formats that allow you to convert HEIF to 100s of file formats, without any limit, registration and downloading, 100% free and online HEIF converter.
All converters in this list are manually verified & 100% free and working properly, however you must use these apps according to their respective terms & conditions.
This tool and page updated at: 12-Apr-2025
About FileProInfo: FileProInfo is a trusted platform dedicated to file formats and software programs. We provide accurate technical details, easy-to-use navigation, and advanced search capabilities to help users explore, manage, and convert file types efficiently.
Listed file converters are from the wide range of online file converter.
These are the most polular file/document converters based on the user's review and usage on the FileProInfo.