
calibre
Amazon Kindle
Cool Reader
Google Play Books
Sumatra PDF
Okular
Librera Reader
FBReader is an e-book reader for various platforms. Features:

OCR Text Detection Tool
Free Easy OCR
Onlineocr.net
DeepSeek OCR App
Easy Screen OCR
OCR.space
Intelligent OCR
Easily convert images, scanned documents, and low-quality photos to text with our online OCR tool. Fast and accurate text extraction.

Which is more popular?
Based on our record, FBReader seems to be more popular. It has been mentioned 10 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | fbreader.org | ocr.ac |
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What each product offers, as listed by its team.


Possible disadvantages
An editorial look at what each product does well and who it suits.


Overall verdict
Why this product is good
Recommended for
FBReader is recommended for readers who value customization in their reading experience and need support for various e-book formats. It's ideal for those who read on multiple devices and platforms, as it offers sync features and wide compatibility.
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
Review FBReader on Linux Ubuntu
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How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing FBReader and OCR.ac.
OCR.ac's answer:
OCR.ac provides powerful and free tools, OCR is not cheap and its a free tools platform.
OCR.ac's answer:
User should choose OCR.ac because its free and its results are as good as other competitors and competitors are charging too much, so, the best choice is OCR.ac.
OCR.ac's answer:
OCR.ac provides OCR based tools, which is the need of almost all type of audience, like teachers, students, researchers, data entry persons, businesses with tons of paperwork, etc.
Share your experience with using FBReader and OCR.ac. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


FBReader is a lightweight, multi-platform ebook reader, free but not open-source, supporting various formats like ePub, fb2, mobi, rtf, html etc. It includes access to popular network libraries from where you can...
The Favorite Book Reader (FBReader) is a free app that used to be open source. As such, it used to be available for a multitude of devices but now caters to iOS and Android users. There’s also a beta version in...
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Recommendations tracked on public social media and blogs since March 2021.


I use fbreader, it's probably in your disto's repository or you can get in from fbreader.org. Source: over 3 years ago
I've been using FBreader for years, and it can use the built in Android TTS. https://fbreader.org/. Source: almost 4 years ago
Based on what's on ZLibrary, various formats, though principally PDF, ePub, Mobi (Kindle), DJVU (similar to PDF), FB2, and a few others. Most ebook readers (with the exception of Amazon's own Kindle reader) can read virtually all of... - Source: Hacker News / about 4 years ago
Tracking OCR.ac since Jul 2025.
When comparing FBReader and OCR.ac, you can also consider the following products.


Download this app from Microsoft Store for Windows 10, Windows 10 Mobile, Windows 10 Team (Surface Hub), HoloLens. See screenshots, read the latest customer reviews, and compare ratings for OCR Text Detection Tool.
Compare OCR Text Detection Tool to FBReader or OCR.ac:

Amazon Kindle software lets you read ebooks on your Kindle, iPhone, iPad, PC, Mac, BlackBerry, and...
Compare Amazon Kindle to FBReader or OCR.ac:

Sometimes we need to get the text out of photos or scanned documents for further editing and use.
Compare Free Easy OCR to FBReader or OCR.ac:

Fast and small cross-platform eBook reader for desktops and handheld devices
Compare Cool Reader to FBReader or OCR.ac:

Free Online OCR service allows you to convert PDF document to MS Word file, scanned images to editable text formats and extract text from JPEG/TIFF/BMP files
Compare Onlineocr.net to FBReader or OCR.ac: