15 Best Free Online PDF to FB2 Converter Websites

Here is a list of the best free online PDF to FB2 Converter websites. The FB2 file extension is a FictionBook eBook file. It supports text formatting, images, and metadata. The format is designed for easy reading on various devices and it is quite popular in the eBook community. Converting PDF to FB2 is useful for reading PDF documents as eBooks on devices that support FB2 formats. An online PDF to FB2 converter tool is a web-based service that allows you to convert PDF files into FB2 format.

This post covers 15 websites to convert PDF to FB2 online. All these websites provide dedicated converters where you can add your files and perform the conversions. If you have PDF files saved in a cloud storage or somewhere online, you can easily import them to the converter. Some converters also provide conversion settings where you can configure the pages, font, cover image, FB2 file permissions, and more. I briefly covered each converter along with the conversion steps and key points. You can go through the post and these converters in detail.

My Favorite Online PDF to FB2 Converter

CloudConvert.com is my favorite website on this list to convert PDF to FB2 online. This converter offers many conversion settings that let you configure the conversions as per your exact needs. You can set the exact pages you want to convert, split pages into separate PDF files, or keep them all in a single file. You can also remove the PDF password and add a password to FB2. Last but not least, you can add a watermark to the converted FB2 file as well. On top of that, the converter is capable of batch conversion with support for cloud import.

You can check out our other lists of the best free Online PDF to MOBI Converter Websites, PDF to Kindle Converter Online Websites, and PDF to Multipage TIFF Converter Online Services.

Comparison Table:

Name	Files per Conversion	Max Conversion Size	Conversion Settings	Support Password-protected PDFs
CloudConvert.com	5	1 GB	✓	✓
AConvert.com	40	100 MB	✓	x
OnlineConvertFree.com	7	100 MB	x	x
ConvertFiles.com	1	250 MB	x	x
2PDF.com	10	-	x	x
Any-PDF.com	Any	-	x	x
AnyConv.com	60	100 MB	x	x
FreeFileConvert.com	5	500 MB	x	x
Convertio.co	2	100 MB	x	x
Online-Convert.com	1	100 MB	✓	✓
Vertopal.com	2	50 MB	x	✓
Converter.app	20	-	x	x
ConversionTools.io	10	20 MB	x	x
DigitalOfficePro.com	1	-	x	x
OnlineConvert.com	4	3 MB	x	x

CloudConvert.com

CloudConvert.com is a cloud-based file conversion platform where you can convert PDF to FB2 online. This converter can process up to 5 files at a time. For that, you can upload files from the local storage or you can fetch the files from Google Drive, Dropbox, or via URLs. Either way, you get the option to pick the output format for each file separately. In this case, the output format is PDF. Along with that, you also get a set of conversion settings that you can configure as per your needs. If you want to convert specific pages of the FB2 file, you can set that there. You can also set a page split that converts each page into a separate FB2. You can provide a password for protected PDFs, add a password to FB2, set FB2 file permissions for extraction, etc., and you can also upload and add a watermark to the pages of converted FB2 files. With that, you can easily convert your FB2 files to PDF on this website. Do note that this website offers 750 free conversion minutes per month.

How to convert PDF to FB2 online on CloudConvert?

Go to the CloudConvert website and add your PDF files there.
Pick FB2 as the output format from the dropdown.
Then, click on the Convert button to start the conversion.
Wait for the conversion to finish and then click the Download button alongside the file or download a ZIP packing all converted files.

Key Points:

Files per Conversion: Up to 5 files per conversion.
Max Conversion Size: Up to 1 GB.
Conversion Limit: 25 free conversions per day.
Cloud Integration: Google Drive, Dropbox, OneDrive, and via URLs.
Conversion Settings: Page Selection, Page Split, Password Removal, Password Protection, Permissions, and Watermark.
Download Method: Direct download (Separate & All Zipped).

Home Page

AConvert.com

AConvert.com is a free file conversion website that you can use to convert PDF to FB2 online. The converter on this website lets you easily convert PDF files whether you have them stored locally or on the web. It has the functionality to import files directly from Google Drive, Dropbox, and via URLs. Along with that, you get conversion options that you can configure as per your needs. You can set the font size, page margins, metadata, and cover image. This converter converts files in consecutive order. That means you can add up to 40 files at once and it will convert them all one after another. As a file gets converted, it appears at the bottom of the converter with a download link. This way, you can use this converter to convert PDF files into FB2 files. Do note that, if you are using an ad-blocker in the browser then it only converts 2 files per conversion.

How to convert PDF to FB2 online on AConvert?

Go to PDF to FB2 converter on AConvert using the direct link below.
Use the Choose files button to upload local files or go with the FILE dropdown to import files from the web.
Make sure the Target format is set to FB2.
Then configure the conversion options as per your needs.
After that, click the Convert Now! button to start the conversion process.
Once done, use the download icon alongside converted file names to save each converted file.

Key Points:

Files per Conversion: Up to 40 files in consecutive order.
Max Conversion Size: up to 200 MB.
Cloud Integration: Google Drive, Dropbox, and URL import.
Conversion Limit: No limit.
Conversion Settings: Options to embed fonts, set base font size, set margins, add metadata, and remove duplicate cover image.
Download Method: Direct download (FB2).

Home Page

OnlineConvertFree.com

OnlineConvertFree.com is a free website to convert files online. You can perform PDF to FB2 file conversion here. It works with local files only. You can add up to 7 files at once and convert them simultaneously. You just have to make sure the combined size of the input files is under the 100 MB size limit. Once the conversion is finished, it gives you the option to download the converted files right there. You can also enable email notifications by adding your email address. This sends you an email when the conversion is finished and provides the link to download the converted files.

How to convert PDF to FB2 online on OnlineConvertFree?

Follow the link mentioned below to open this editor directly in your browser.
Upload your PDF files or use the cloud import feature to load remote files.
Then pick FB2 as the output format from the Output format dropdown.
After that click the Convert button to start the conversion.
Once done, use the Download button to save the converted FB2 files.

Key Points:

Files per Conversion: Up to 7 files per conversion.
Max Conversion Size: up to 100 MB per conversion.
Conversion Limit: 750 free conversion minutes per month.
Cloud Integration: Not available.
Conversion Settings: Not available.
Download Method: Direct download (separate or All) and Email Notification.

Home Page

ConvertFiles.com

ConvertFiles.com is a free website where you can convert PDF to FB2 online. This website has a simple converter where you can add your PDF file and convert that to FB2. This converter works with local files only and converts one file at a time. There is a 250 MB size limit for the input file. Within that size limit, you can upload your PDF file to the converter and perform the conversion. After the conversion, it shows a link that takes you to the download page. From that page, you can download the converted file. You can also use the link to share the file.

How to convert PDF to FB2 online with ConvertFiles?

Use the link provided below to open this PDF to FB2 converter on ConvertFiles.
Click on the Browse button and add your PDF file to the converter.
Make sure the output format is set to FB2. Check the email notification option if needed.
Then click the Convert button to start the conversion.
Wait for the conversion to finish and then click the link to open the download page.
Use the given link to download the converted file.

Key Points:

Files per Conversion: Converts one file at a time.
Max Conversion Size: Up to 250 MB in size.
Cloud Integration: Not available.
Conversion Limit: No limit.
Conversion Settings: No conversion configuration options.
Download Method: Direct download (FB2) and link share.

Home Page

2PDF.com

2PDF.com has a collection of online converters and utilities for PDF files. This collection includes a PDF to FB2 converter that you can use for free. This is a simple converter where you can drop your PDF files and convert them. It works with local files only and does not have any cloud import feature. You can add up to 10 files per conversion and convert them all simultaneously. After conversion, you have to download each converted file separately. There is no option to download all converted files in one go.

How to convert PDF to FB2 online on 2PDF?

Use the link given below to open this PDF to FB2 converter.
Drag and drop PDF files to upload to the converter.
Then pick FB2 as the output format for the conversion.
Start the conversion by clicking on the Convert button.
Once done, download your converted files.

Key Points:

Files per Conversion: Up to 10 files per conversion.
Max Conversion Size: Not specified.
Conversion Limit: 120 file conversions per hour.
Cloud Integration: No, local upload only.
Conversion Settings: Not available.
Download Method: Direct download (Separate FB2 files).

Home Page

Any-PDF.com

AnyPDF.com is a free website to convert PDF to FB2 online. This is a simple converter where you can add any number of files for conversion. It converts the added files one by one. It only supports local uploads as there is no cloud import feature. There is no mention of the file size that you can convert here but there is no limit on the number of conversions and files per conversion. You can simply drop all your files and start the conversion. Once the conversion finishes, it lists all the converted files on the screen. You have to download each file separately as there is no option to download all the converted files in one go.

How to convert PDF to FB2 online on AnyPDF?

Follow the link given below to open this converter.
Drag and drop your PDF files to the converter.
Pick FB2 as the output format from the dropdown and start the conversion.
Wait for the conversion to finish and then download your files directly.

Key Points:

Files per Conversion: Any number of files per conversion.
Max Conversion Size: No size limit is mentioned.
Conversion Limit: No limit.
Cloud Integration: No, local upload only.
Conversion Settings: Not available.
Download Method: Direct download (Separate FB2 files).

Home Page

AnyConv.com

AnyConv.com is a free website to convert files from one file format to another possible file format. This website has a large collection of converters including PDF to FB2 conversion. The converter here is quite simple and easy. It works with local files only with a total conversion size of up to 100 MB. You can add up to 40 files at once and convert them all. The conversion happens in consecutive order means it converts one file after another. As soon as a file is connected, you get a download button alongside it. From there, you can download the converted file. If you are converting multiple files then you have to download each file separately as there is no option to download all files in one go.

How to convert PDF to FB2 online with AnyConv?

Go to this converter on AnyConv using the direct link given below.
Click on the Choose File button and upload your PDF files.
After that, click on the output format option, and select FB2 as the output format.
Then click on the Convert button to start the conversion.
Wait for the conversion to finish and download the converted files.

Key Points:

Files per Conversions: Up to 60 files per conversion.
Max Conversion Size: 100 MB per file.
Conversion Limit: 60 file conversions per hour.
Cloud Integration: No cloud integration.
Conversion Settings: No additional conversion options.
Download Method: Direct Download (FB2).

Home Page

FreeFileConvert.com

FreeFileConvert.com is another free website with an online PDF to FB2 converter. This converter has three sections to add the files. It includes local upload, URL import, and cloud import from Google Drive or Dropbox. It can convert up to 5 files at a time with a maximum combined size limit of 300 MB per conversion. So make sure the combined size of the input file does not exceed that. Apart from that, this converter does not offer any additional conversion settings but it has an email alert feature. You can drop an email address and get an email with a download link. Along with that, it also has an option to delete files from the site. The converted files are available for 24 hours or till 5 downloads.

How to convert PDF to FB2 online on FreeFileConvert?

Open this PDF to FB2 converter using the link provided below.
Click on the Choose File button and upload your PDF files. Or, import files from the cloud.
Then pick FB2 as the output format and start the conversion.
After the conversion, download the converted files directly or use the email option to share the link via email.

Key Points:

Files per Conversion: Up to 5 files per conversion.
Max Conversion Size: Up to 300 MB per conversion.
Conversion Limit: No limit, you can perform any number of conversions.
Cloud Integration: Import via URLs, Google Drive, or Dropbox.
Conversion Settings: This does not offer additional conversion options.
Download Method: Direct Download (Separate FB2 files) and email a download link to anyone.

Home Page

Convertio.co

Convertio.co is another cloud-based conversion platform with an online PDF to FB2 converter. This converter supports multiple input methods. You can either upload local files or import the files from Google Drive, Dropbox, and the Web. You can add up to 2 files and convert them all simultaneously. There is a 100 MB maximum upload limit here. And, you get 10 free conversion minutes per day without an account. Apart from that, it does not offer any additional conversion options or cloud export functionality. You can simply add or import your PDF files and convert them to FB2 ebook files.

How to convert PDF to FB2 online on Convertio?

Go to the Convertio website and upload your PDF files there.
Then select FB2 as the output format for the conversion.
Click the Convert button to start the conversion.
Wait for the conversion to end and use the Download button to save the converted FB2 files.

Key Points:

Files per Conversion: Up to 2 files per conversion.
Max Conversion Size: up to 100 MB.
Conversion Limit: 10 free conversion minutes per day.
Cloud Integration: Google Drive and Dropbox.
Conversion Settings: Not available.
Download Method: Direct download (Separate and zipped).

Home Page

Online-Convert.com

Online-Convert.com is a free website to convert PDF to FB2 online. This converter converts 1 document file per conversion. You can upload a locally saved PDF file or fetch it directly from Google Drive, Dropbox, or the Web via a URL. This converter also has optional settings to change font size, embed the font, change the encoding, target a Kindle reader, etc. This embed the font feature comes in handy to keep the unsupported font intact in the output. There is a maximum 100 MB upload size limit. As long as your PDF files are under 100 MB, there won’t be an issue converting those on this website.

How to convert PDF to FB2 online on Online-Convert?

Use the link given below to open this converter in your browser.
Upload your PDF files to the converter or import PDF files from the cloud.
Configure the optional settings as per your needs.
Click on the Start Conversion button to start the conversion.
Wait for the conversion to end and then download the FB2 files using the desired download option.

Key Points:

Files per Conversion: 1 document file per conversion.
Max Conversion Size: Up to 100 MB.
Conversion Limit: 3 conversions per 24 hours.
Cloud Integration: Google Drive, Dropbox, and via URLs.
Conversion Settings: Options to change font size, add file details, embed font, and more.
Download Method: Direct download (Separate & Zipped), Export (Google Drive & Dropbox) & QR Code.

Home Page

Converter.app

Converter.app is a free online converter website where you can convert files, units, currencies, etc. It has a PDF to FB2 converter. This is a simple converter that supports local file uploads only. You can add up to 20 PDF files to the converter at once and convert them all in a single conversion. As soon as you add the files, it starts processing. The files get uploaded and converted. After the conversion, you get a single download button. If you have only added one file, this button downloads the converted FB2 file. And if you added multiple files for conversion, then it downloads a ZIP file packing all the converted FB2 files inside. In that case, you can extract that ZIP and get the FB2 files.

How to convert PDF to FB2 online with Converter.app?

Use the link given below to open this PDF to FB2 converter tool.
Drag and drop the PDF files to the converter.
Wait for it to get uploaded and then converted.
After that, click the Download button to save the FB2 files.

Key Points:

Files per Conversion: Up to 20 files per conversion.
Max. Conversion Size: Not specified.
Conversion Limit: No limit.
Cloud Integration: Not available.
Conversion Settings: No such options.
Download Method: Direct download (Zipped).

Home Page

Vertopal.com

Vertopal.com is another free website that you can use to convert PDF to FB2 online. This website offers a simple converter that can convert your files in a few simple steps. It processes 2 files at a time with a maximum supported file size of 50 MB. To perform a conversion, you have to upload the PDF files from the local storage. Alternatively, you can also import a PDF file via URL or from Google Drive, Dropbox, or OneDrive. This converter takes you through simple steps and offers an option to add a password. It shows a preview of the input file (if supported) before conversion. From there, you can go ahead with the conversion and download the converted files.

How to convert PDF to FB2 online on Vertopal?

Open this PDF to FB2 converter in your browser directly using the link given below.
Click on the Choose File button and add your PDF file.
Wait for it to get uploaded and then pick FB2 as the output format.
Again, wait for the next screen and click Continue to start the conversion.
Then click the Convert button from the preview screen and download the converted file.

Key Points:

Files per Conversion: Up to 2 files.
Max Conversion Size: Up to 50 MB.
Cloud Integration: Import via URL, Google Drive, Dropbox, or OneDrive.
Conversion Limit: No limit; any number of conversions.
Conversion Settings: Options to configure image quality and add compression.
Download Method: Direct download (Separate and ZIP).

Home Page

ConversionTools.io

ConversionTools.io is a free website to convert PDF to FB2 online. This simple converter can process up to 10 files per conversion. But you have to make sure the total file size stays under 20 MB per conversion. With that limitation, you can perform 30 conversions for free daily. Apart from that, this converter works with local files only and does not have any cloud import feature. It gives the output packed in a ZIP file that you can download and extract to get the converted FB2 files.

How to convert PDF to FB2 online on ConversionTools.io?

Follow the link given below leading to this converter.
Upload your PDF files to the converter and Run the conversion.
Once done, use the Download button to save the converted files.

Key Points:

Files per Conversion: Up to 10 files per conversion.
Max Conversion Size: Up to 20 MB combined.
Conversion Limit: 30 conversions per day.
Cloud Integration: Local upload only.
Conversion Settings: Not available.
Download Method: Direct download (ZIP output).

Home Page

DigitalOfficePro.com

DigitalOfficePro.com provides various digital tools and services. The website offers conversion tools, developer kits, PowerPoint templates, eLearning tools, file converters, and more. The website features a simple converter that you can use for PDF to FB2 conversion. This converter processes one file at a time. There is no size limit though. You can add a large file and convert it. It supports local upload only with no cloud import functionality. You can simply add your file, set the output format, and convert. After the conversion, it lists the converted file on the screen along with a button to download it. You can perform any number of conversions as there is no daily or monthly conversion limit.

How to convert PDF to FB2 online on DigitalOfficePro?

Open this converter in your browser using the direct link added below.
Click on the Choose File button and upload your PDF file to the converter.
Then set FB2 as the output format for the conversion and click the Convert Now button.
Once done, use the Download button to save the converted FB2 file.

Key Points:

Files per Conversion: 1 file per conversion.
Max Conversion Size: Any size.
Cloud Integration: Not supported.
Conversion Limit: No daily or monthly limit.
Conversion Settings: No conversion configurations.
Download Method: Direct download.

Home Page

OnlineConvert.com

OnlineConvert.com is another website that offers a variety of online tools and converters. You can use their converter to convert PDF to FB2 online. This converter has a neat interface with a button to add input files. It lets you upload PDF files directly to the converter. Alongside that, it packs multiple cloud storage integrations for file import. You can import files from Google Drive, Dropbox, OneDrive, and via URLs. The converter supports a maximum file size of 3 MB. You can add up to 4 files and convert them in a single instance. However, the converter only offers 4 free file conversions per day for free. To be able to convert more files in a single day, you need to purchase a paid plan for the service.

How to convert PDF to FB2 with OnlineConvert?

Open this PDF to FB2 converter in your browser using the direct link given below.
Click on the Choose Files button to upload your locally saved PDF files. Or you can use the dropdown menu to import files from Google Drive, Dropbox, OneDrive, or URLs.
After that, make sure FB2 is selected as the output format for the conversion.
Then, click the Convert button and wait for the conversion.
After the conversion, use the Download button to save each converted file.

Key Points:

Files per Conversion: Up to 4 files.
Max. Conversion Size: Up to 3 MB per file.
Cloud Integration: URL import, Dropbox, and Google Drive.
Conversion Limit: 4 free file conversions per day.
Conversion Settings: Does not offer any settings.
Download Method: Direct download (separate FB2 files).

Home Page

Frequently Asked Questions

What is FB2 file?

An FB2 file is a format commonly used for eBooks. It supports text formatting, metadata, and is designed for easy reading on various devices, making it popular in the eBook community.

What is an online PDF to FB2 converter tool?

An online PDF to FB2 converter tool is a web-based service that allows you to convert PDF files into FB2 (FictionBook) format, commonly used for eBooks.

Why would I need to convert a PDF to FB2?

PDF to FB2 conversion is useful for reading PDF documents as eBooks on devices that support FB2 format, such as eReaders.

How long does it take to convert a PDF to FB2?

Conversion times vary depending on the size and complexity of the PDF file and the tool's server load. Typically, it takes a few seconds to a few minutes.

Are there privacy concerns when using online converters?

It's essential to choose reputable tools to ensure your data privacy. Read user reviews and privacy policies before using any converter.

Can I convert PDFs with password protection?

Some converters may support password-protected PDFs, while others may not. Check the tool's features to confirm.

Can I convert scanned PDFs to FB2?

Some advanced converters offer OCR (Optical Character Recognition) capabilities to convert scanned PDFs into FB2.

Is the converted FB2 file editable?

FB2 files are typically not designed for editing. They are meant for reading and may not retain complex formatting.

Can I convert FB2 back to PDF?

Yes, but you will need a different converter tool that supports FB2 to PDF conversion.

Can I convert PDFs in languages other than English?

Yes, most converters support a wide range of languages