Librera suits Android readers who work with varied ebook and document formats and want annotation, search, or reading sync.
Free plan Open source From $5.99 one-time AndroidiPhone & iPadWebMacBrowser extension
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Best File Reader Software 2026
Facts read 20 Sep 2026 – 15 Oct 2026
File reader software helps you open, read, search and annotate digital files. This guide helps buyers compare formats, access features, pricing plans and device support before choosing a reader.
The standings: top 10
| Name | In a line | Record score | Price from | Try it free | Runs on | Facts read |
|---|---|---|---|---|---|---|
| 01 Librera Reader | Librera suits Android readers who work with varied ebook and document formats and want annotation, search, or reading sync. | 6.2 | $5.99 one-time | Free plan | Android, iPhone & iPad, Web, Mac | 15 Oct 2026 |
| 02 ImageGlass | ImageGlass suits people who need a desktop viewer for varied image formats, including RAW, with basic editing and metadata viewing. | 6.1 | $9.99 a month, billed yearly | Free plan | Windows, Mac, Linux, API | 15 Oct 2026 |
| 03 FBReader | It suits readers who want an ebook app across desktop and mobile platforms and need support for several ebook formats. | 5.9 | $14.99 one-time | Free plan | Android, iPhone & iPad, Windows, Mac | 4 Oct 2026 |
| 04 MuPDF | MuPDF is for developers who need document processing in desktop, server, cloud, or embedded projects. | 5.7 | $299 a month, billed yearly | Free plan | Android, iPhone & iPad, Web, Windows | 29 Sep 2026 |
| 05 Foxit PDF Reader | It suits readers who need to view, annotate, fill, or sign PDFs across desktop, mobile, and web platforms. | 5.6 | Free plan | Free plan | Android, iPhone & iPad, Web, Windows | 27 Sep 2026 |
| 06 Kobo Books | It suits listeners using iOS, Android, or compatible Kobo eReaders who want audiobook playback, downloads, and Bluetooth support. | 5.5 | $7.99 a month | Free plan | Android, iPhone & iPad, Web | 30 Sep 2026 |
| 07 ReadEra | ReadEra suits readers who keep books and documents in varied formats or want tools for organizing and annotating a library. | 5.2 | $14.99 one-time | Free plan | Android, iPhone & iPad, Mac | 1 Oct 2026 |
| 08 FastStone Image Viewer | It suits Windows users who want image browsing, editing, conversion, and batch tools in one program. | 4.9 | Free plan | Free plan | Windows | 28 Sep 2026 |
| 09 IrfanView | It suits Windows users who need image viewing alongside batch processing, conversion, and editing tools. | 4.8 | Free plan | Free plan | Windows | 3 Oct 2026 |
| 10 Okular | Okular suits readers who want one viewer for documents, comics, images, or Markdown across Linux, Windows, and macOS. | 4.8 | Free plan | Free plan | Windows, Mac, Linux | 30 Sep 2026 |
The list is ordered by newest releases first, using the figures makers publish. Nothing is scored.
02
ImageGlass
ImageGlass suits people who need a desktop viewer for varied image formats, including RAW, with basic editing and metadata viewing.
WindowsMacLinux+1 Record6.1 Visit
03
FBReader
It suits readers who want an ebook app across desktop and mobile platforms and need support for several ebook formats.
AndroidiPhone & iPadWindows+2 Record5.9 Visit
04
MuPDF
MuPDF is for developers who need document processing in desktop, server, cloud, or embedded projects.
AndroidiPhone & iPadWeb+4 Record5.7 Visit
05
Foxit PDF Reader
It suits readers who need to view, annotate, fill, or sign PDFs across desktop, mobile, and web platforms.
AndroidiPhone & iPadWeb+2 Record5.6 Visit
6
Kobo Books
AndroidiPhone & iPadWeb $7.99 a month Record5.5 Visit It suits listeners using iOS, Android, or compatible Kobo eReaders who want audiobook playback, downloads, and Bluetooth support.
7
ReadEra
AndroidiPhone & iPadMac $14.99 one-time Record5.2 Visit ReadEra suits readers who keep books and documents in varied formats or want tools for organizing and annotating a library.
8
FastStone Image Viewer
Windows Free plan Record4.9 Visit It suits Windows users who want image browsing, editing, conversion, and batch tools in one program.
9
IrfanView
Windows Free plan Record4.8 Visit It suits Windows users who need image viewing alongside batch processing, conversion, and editing tools.
10
Okular
WindowsMacLinux Free plan Record4.8 Visit Okular suits readers who want one viewer for documents, comics, images, or Markdown across Linux, Windows, and macOS.
11
Mozilla PDF.js
WebLinuxBrowser extension+2 Free plan Record4.6 Visit PDF.js suits developers who want to embed PDF rendering or build a custom viewer.
12
Universal Viewer
Windows Free plan Record4.6 Visit It suits Windows users who need one viewer for varied media, office, text, and plugin-supported formats.
13
Kindle Create
WindowsMac Free plan Record4.5 Visit Kindle Create suits authors preparing manuscripts for Kindle or print publication through KDP, including creators of reflowable books, print replicas, or comics.
16
SumatraPDF
Windows Free plan Record4.4 Visit It suits Windows users who need a free reader with document tools, accessibility options, and portable use.
17
Apple Books Digital Narration
Web Free plan Record4.3 Visit This program is for independent authors and small publishers with eligible English ebooks and audiobook rights.
18
Google Play Books Auto-narrated Audiobooks
Web Free plan Record4.3 Visit This tool suits publishers with eligible EPUB titles and the necessary audio rights.
Before you choose
Check supported formats
Start with the file types you need to open. Compare the supported formats shown for a tool before choosing it.
If you read books, PDFs or image files, confirm that the reader handles those formats and offers the reading controls you need.
Match your devices
File readers on this list run on Windows, macOS, Linux, Android, the web or iOS. Choose a platform that fits where you read.
If you switch between devices, compare cloud sync support and check whether the service runs on your preferred platforms.
Review plans and trials
Pricing models include free, freemium and paid options. A free plan is available from tools in this category.
A free trial is available from tools in this category. Check the paid-from price and trial terms before committing.
Compare reading features
Use the comparison fields for annotations, text search and accessibility support to match the way you read.
If you need to change or inspect code, check whether open-source code is available and review the tool's licence.
Questions
Which platforms do file readers support?
The listed tools run on Windows, macOS, Linux, Android, the web and iOS. Platform support varies by tool.
Can I find a free file reader?
Yes. Free plans are offered by tools in this category, including Foxit PDF Reader, FBReader and KOReader.
Are free trials available?
Yes. Free trials are offered by tools in this category. File Viewer Plus, ImageGlass and Kobo Books list 14-day trials.
Can file readers search text?
Text search is a comparison field for this category. Check the feature details for the tool and file formats you plan to use.
Do these tools support annotations?
Annotations are a comparison field for this category. Review the listed support before choosing a reader.
Is open-source code available?
Open-source code is offered by tools in this category. Check a tool's licence and code availability before relying on it.
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