Sioyek is a PDF viewer with a focus on technical books and research papers.
Publisher’s description
What is sioyek?
sioyek by ahrm is open-source Windows software in the pdf tools category. It ranks 24th by popularity among pdf tools in this catalogue. It is written in C. Besides Windows, it is available for Linux.
Installation and requirements
The publisher provides Portable installers for 64-bit Windows. It runs without installation (portable).
Popularity and file types
The Chocolatey package has been downloaded 661 times. The source code on GitHub (ahrm/sioyek) has 9,962 stars. Similar programs include Adobe Acrobat Reader (64-bit), wkhtmltox and NAPS2.
Project description on GitHub: “Sioyek is a PDF viewer with a focus on textbooks and research papers”
Pros / Cons
Pros
- Open source: the code can be inspected and built by anyone
- Portable: runs without installation
- Also runs on Linux
- Large user base
Cons
- No native ARM64 build
- No update for more than a year
In short: sioyek is an open-source pdf tool tool for 64-bit PCs. Updates have slowed down.
Key features
- You can quickly search and open any file you have previously interacted with using sioyek.
- You can search and jump to table of contents entries.
- You can jump to any referenced figure or bibliography item even if the PDF file doesn't provide links.
- You can also search the names of bibliography items in google scholar/libgen by middle clicking/shif+middle clicking on their name.
- You can open a quick overview of figures/references/tables/etc. by right clicking on them (Like Smart Jump, this feature works even if the document doesn't provide links).
- Bookmarks are similar to marks except they are named by a text string and they are all global.
- Highlight text using different kinds of highlight, you can search among all the highlights.
- You can customize all key bindings and some UI elements by editing keys_user.conf and prefs_user.conf. The default configurations are in keys.conf and prefs.conf
Is sioyek safe to download?
- The file is served by github.com, the publisher’s own domain
- The download link uses HTTPS
- A SHA256 hash is published, so you can verify the file:
30EE5F02F9C4547905164E4648948E28D00A5C89799266EEFFC50E156A01DFD4· Open the VirusTotal report for this hash - The link has not been checked yet
- The source code is public
- ExeAtlas does not host, wrap or modify installers
Related guide: How to check a file’s SHA256 hash on Windows
Recent versions
All 1 versions ›| Version | Date | Size | Files |
|---|---|---|---|
| 2.0.0Latest | February 22, 2024 | — | 64-bit ZIP |
Install from the command line
Silent install ›winget install --id ahrm.sioyek -echoco install sioyek -yRelated guide: How to use winget: install and update apps
Also for other systems
flatpak install flathub com.github.ahrm.sioyekInformation
- Publisher
- ahrm
- Category
- PDF tools
- Licence
- GPL-3.0
- Price
- Free
- Source code
- github.com/ahrm/sioyek
- Written in
- C
- Content rating
- All ages
- Requires
- Windows 11 / 10
- Architecture
- 64-bit
- Installer
- Portable
- Other platforms
- Linux
- Version
- 2.0.0
- Released
- February 22, 2024
- Added to the catalogue
- February 22, 2024
- Versions listed
- 1
- Chocolatey downloads
- 661
- GitHub stars
- 9,962
- GitHub forks
- 395
- winget ID
- ahrm.sioyek
- Chocolatey package
- sioyek
Ratings and reviews
No reviews yet. Be the first to rate it.
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Frequently asked questions
Is sioyek free?
Yes. sioyek is open-source software under the GPL-3.0 licence.
Is sioyek safe to download?
The download comes from github.com, which belongs to the publisher; ExeAtlas does not host or change the file. Compare its SHA256 hash with the one shown here, or open the VirusTotal report for that hash.
How do I install sioyek with winget?
Open PowerShell or Windows Terminal and run the winget command shown on this page. winget downloads the official installer and checks its SHA256 hash before running it.
Does sioyek run on ARM (Windows on Arm)?
There is no ARM64 build; Windows 11 on Arm can run the 64-bit version through emulation.
Can I use sioyek without administrator rights?
Yes, it is portable: unpack and run it.
What are alternatives to sioyek?
Adobe Acrobat Reader (64-bit), wkhtmltox, NAPS2, MiKTeX and PDF24 Creator. The alternatives page compares them.
