Koharu introduces a local-first workflow for manga translation, utilizing the power of ML to automate the process. It combines the capabilities of object detection, OCR, inpainting, and LLMs to create a seamless translation experience.
Publisher’s description
What is Koharu?
Koharu by mayocream is open-source Windows software in the e-book readers category. It ranks 33rd by popularity among e-book readers in this catalogue. It is written in Rust.
Installation and requirements
The publisher provides EXE (NSIS) and MSI installers for 64-bit Windows. It can be installed for the current user only, without administrator rights. A silent install is possible with the installer’s documented switches. An MSI package is available for deployment with Group Policy, Intune or Configuration Manager.
Updates and version history
The current version is 0.83.5, released on September 22, 2026. The version history goes back to April 21, 2026: 49 releases, all linked to the official files.
Popularity and file types
The source code on GitHub (koharu-rs/koharu) has 6,452 stars. Similar programs include calibre, SumatraPDF and Sigil.
Project description on GitHub: “ML-powered manga translator, written in Rust.”
Pros / Cons
Pros
- Open source: the code can be inspected and built by anyone
- MSI package for managed deployment
- Documented silent install
- Installs without administrator rights
- Updated in the last two months
- Large user base
Cons
- No native ARM64 build
In short: Koharu is an open-source e-book reader tool for 64-bit PCs. Administrators can deploy it unattended.
Is Koharu 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:
FC4EACB5E762E132F5686493288424A8762735DAA842CEEB10F0C172BBCF9235· 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 49 versions ›| Version | Date | Size | Files |
|---|---|---|---|
| 0.83.5Latest | September 22, 2026 | — | 64-bit EXE (NSIS)64-bit MSI |
| 0.83.3 | September 16, 2026 | — | 64-bit EXE (NSIS)64-bit MSI |
| 0.83.2 | September 15, 2026 | — | 64-bit EXE (NSIS)64-bit MSI |
| 0.83.1 | September 15, 2026 | — | 64-bit EXE (NSIS)64-bit MSI |
| 0.83.0 | September 14, 2026 | — | 64-bit MSI64-bit EXE (NSIS) |
| 0.82.1 | September 11, 2026 | — | 64-bit EXE (NSIS)64-bit MSI |
| 0.81.10 | September 8, 2026 | — | 64-bit MSI64-bit EXE (NSIS) |
| 0.81.9 | September 8, 2026 | — | 64-bit MSI64-bit EXE (NSIS) |
Install from the command line
Silent install ›winget install --id mayocream.koharu -escoop install extras/koharukoharu_0.83.5_x64-setup.exe /SRelated guide: How to use winget: install and update apps
Also for other systems
brew install --cask koharuInformation
- Publisher
- mayocream
- Category
- E-book readers
- Licence
- Apache-2.0
- Price
- Free
- Source code
- github.com/koharu-rs/koharu
- Written in
- Rust
- Requires
- Windows 11 / 10
- Architecture
- 64-bit
- Installer
- EXE (NSIS), MSI
- Version
- 0.83.5
- Released
- September 22, 2026
- Added to the catalogue
- April 24, 2026
- Versions listed
- 49
- Downloads on ExeAtlas
- 3
- GitHub stars
- 6,452
- GitHub forks
- 463
- Website
- koharu.rs
- winget ID
- mayocream.koharu
- Scoop package
- extras/koharu
- MSI product code
- {3CF091E3-32FD-49EB-8919-FEACFD595934}
Ratings and reviews
No reviews yet. Be the first to rate it.
Alternatives to Koharu
See all ›-
Open source1.5M ↓ -
SumatraPDF3.6.1SumatraPDF is a multi-format (PDF, EPUB, MOBI, CBZ, CBR, FB2, CHM, XPS, DjVu) reader for Windows.Open source3M ↓ -
Sigil2.8.1Sigil is a free, open source, multi-platform ebook editor that uses Qt (and QtWebEngine). It is designed to edit books in ePub format (both ePub 2 and ePub 3).Open source34.5K ↓ -
Open source34K ↓ -
Kindle Comic Converter12.1.4Kindle Comic Converter is a Python app to convert comic/manga files or folders to EPUB, Panel View MOBI or E-Ink optimized CBZ.Open source6K ↓ -
Suwayomi Serverv2.4.2366A free and open source manga reader that runs extensions built for Mihon(Tachiyomi).Open source4.7K ↓ - Open source88.8K ↓
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Open source9.3K ↓
Frequently asked questions
Is Koharu free?
Yes. Koharu is open-source software under the Apache-2.0 licence.
Is Koharu 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 Koharu 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.
Can Koharu be installed silently?
Yes. The silent install page lists the exact command for each installer, including msiexec for the MSI package.
Does Koharu run on ARM (Windows on Arm)?
There is no ARM64 build; Windows 11 on Arm can run the 64-bit version through emulation.
Where can I download an older version of Koharu?
The versions page lists all 49 versions with links to their official installer files, back to April 21, 2026.
Can I use Koharu without administrator rights?
Yes, there is a per-user installer that does not need administrator rights.
What are alternatives to Koharu?
calibre, SumatraPDF, Sigil, BlueGriffon and Kindle Comic Converter. The alternatives page compares them.
