base on An ebook reader application supporting PDF, DjVu, EPUB, FB2 and many more formats, running on Cervantes, Kindle, Kobo, PocketBook and Android devices [](https://koreader.rocks) #### KOReader is a document viewer primarily aimed at e-ink readers. [![AGPL Licence][badge-license]](COPYING) [![Latest release][badge-release]][link-gh-releases] [![Gitter][badge-gitter]][link-gitter] [![Mobileread][badge-mobileread]][link-forum] [![Build Status][badge-circleci]][link-circleci] [![Coverage Status][badge-coverage]][link-coverage] [![Weblate Status][badge-weblate]][link-weblate] [Download](https://github.com/koreader/koreader/releases) • [User guide](http://koreader.rocks/user_guide/) • [Wiki](https://github.com/koreader/koreader/wiki) • [Developer docs](http://koreader.rocks/doc/) ## Main features * **portable**: runs on embedded devices (Cervantes, Kindle, Kobo, PocketBook, reMarkable), Android and Linux computers. Developers can run a KOReader emulator in Linux and MacOS. * **multi-format documents**: supports fixed page formats (PDF, DjVu, CBT, CBZ) and reflowable e-book formats (EPUB, FB2, Mobi, DOC, RTF, HTML, CHM, TXT). Scanned PDF/DjVu documents can also be reflowed with the built-in K2pdfopt library. [ZIP files][link-wiki-zip] are also supported for some formats. * **full-featured reading**: multi-lingual user interface with a highly customizable reader view and many typesetting options. You can set arbitrary page margins, override line spacing and choose external fonts and styles. It has multi-lingual hyphenation dictionaries bundled into the application. * **integrated** with *calibre* (search metadata, receive ebooks wirelessly, browse library via OPDS), *Wallabag*, *Wikipedia*, *Google Translate* and other content providers. * **optimized for e-ink devices**: custom UI without animation, with paginated menus, adjustable text contrast, and easy zoom to fit content or page in paged media. * **extensible**: via plugins * **fast**: on some older devices, it has been measured to have less than half the page-turn delay as the built in reading software. * **and much more**: look up words with StarDict dictionaries / Wikipedia, add your own online OPDS catalogs and RSS feeds, over-the-air software updates, an FTP client, an SSH server, … Please check the [user guide](http://koreader.rocks/user_guide/) and the [wiki][link-wiki] to discover more features and to help us document them. ## Screenshots <a href="https://github.com/koreader/koreader-artwork/raw/master/koreader-menu.png"><img src="https://github.com/koreader/koreader-artwork/raw/master/koreader-menu-thumbnail.png" alt="" width="200px"></a> <a href="https://github.com/koreader/koreader-artwork/raw/master/koreader-footnotes.png"><img src="https://github.com/koreader/koreader-artwork/raw/master/koreader-footnotes-thumbnail.png" alt="" width="200px"></a> <a href="https://github.com/koreader/koreader-artwork/raw/master/koreader-dictionary.png"><img src="https://github.com/koreader/koreader-artwork/raw/master/koreader-dictionary-thumbnail.png" alt="" width="200px"></a> ## Installation Please follow the model specific steps for your device: [Android](https://github.com/koreader/koreader/wiki/Installation-on-Android-devices) • [Cervantes](https://github.com/koreader/koreader/wiki/Installation-on-BQ-devices) • [Kindle](https://github.com/koreader/koreader/wiki/Installation-on-Kindle-devices) • [Kobo](https://github.com/koreader/koreader/wiki/Installation-on-Kobo-devices) • [Linux](https://github.com/koreader/koreader/wiki/Installation-on-desktop-linux) • [Pocketbook](https://github.com/koreader/koreader/wiki/Installation-on-PocketBook-devices) • [reMarkable](https://github.com/koreader/koreader/wiki/Installation-on-Remarkable) ## Development [Setting up a build environment](doc/Building.md) • [Collaborating with Git](doc/Collaborating_with_Git.md) • [Building targets](doc/Building_targets.md) • [Porting](doc/Porting.md) • [Developer docs](http://koreader.rocks/doc/) ## Support KOReader is developed and supported by volunteers all around the world. There are many ways you can help: - [fix bugs][link-issues-bugs] and [implement new features][link-issues-features] - [translate the program into your language][link-weblate] or improve an existing translation - document lesser-known features on the [wiki][link-wiki] - help others with your knowledge on the [forum][link-forum] Right now we only support [liberapay](https://liberapay.com/KOReader) donations. ## Contributors [![Last commit][badge-last-commit]][link-gh-commits] [![Commit activity][badge-commit-activity]][link-gh-insights] [badge-bountysource]:https://img.shields.io/bountysource/team/koreader/activity?color=red [badge-circleci]:https://circleci.com/gh/koreader/koreader.svg?style=shield [badge-coverage]:https://codecov.io/gh/koreader/koreader/branch/master/graph/badge.svg [badge-commit-activity]:https://img.shields.io/github/commit-activity/m/koreader/koreader [badge-gitter]:https://img.shields.io/gitter/room/koreader/koreader?color=red [badge-last-commit]:https://img.shields.io/github/last-commit/koreader/koreader?color=orange [badge-license]:https://img.shields.io/github/license/koreader/koreader [badge-release]:https://img.shields.io/github/release/koreader/koreader.svg [badge-mobileread]:https://img.shields.io/badge/forum-on_mobileread-lightgrey [badge-weblate]:https://hosted.weblate.org/widgets/koreader/-/koreader/svg-badge.svg [link-bountysource]:https://www.bountysource.com/teams/koreader [link-circleci]:https://circleci.com/gh/koreader/koreader [link-coverage]:https://codecov.io/gh/koreader/koreader [link-forum]:http://www.mobileread.com/forums/forumdisplay.php?f=276 [link-gh-commits]:https://github.com/koreader/koreader/commits/master [link-gh-insights]:https://github.com/koreader/koreader/pulse [link-gh-releases]:https://github.com/koreader/koreader/releases [link-gitter]:https://gitter.im/koreader/koreader [link-issues-bugs]:https://github.com/koreader/koreader/issues?q=is%3Aopen+is%3Aissue+label%3Abug [link-issues-features]:https://github.com/koreader/koreader/issues?q=is%3Aopen+is%3Aissue+label%3Aenhancement [link-weblate]:https://hosted.weblate.org/engage/koreader/?utm_source=widget [link-wiki]:https://github.com/koreader/koreader/wiki [link-wiki-zip]:https://github.com/koreader/koreader/wiki/ZIP ", Assign "at most 3 tags" to the expected json: {"id":"12420","tags":[]} "only from the tags list I provide: [{"id":77,"name":"3d"},{"id":89,"name":"agent"},{"id":17,"name":"ai"},{"id":54,"name":"algorithm"},{"id":24,"name":"api"},{"id":44,"name":"authentication"},{"id":3,"name":"aws"},{"id":27,"name":"backend"},{"id":60,"name":"benchmark"},{"id":72,"name":"best-practices"},{"id":39,"name":"bitcoin"},{"id":37,"name":"blockchain"},{"id":1,"name":"blog"},{"id":45,"name":"bundler"},{"id":58,"name":"cache"},{"id":21,"name":"chat"},{"id":49,"name":"cicd"},{"id":4,"name":"cli"},{"id":64,"name":"cloud-native"},{"id":48,"name":"cms"},{"id":61,"name":"compiler"},{"id":68,"name":"containerization"},{"id":92,"name":"crm"},{"id":34,"name":"data"},{"id":47,"name":"database"},{"id":8,"name":"declarative-gui "},{"id":9,"name":"deploy-tool"},{"id":53,"name":"desktop-app"},{"id":6,"name":"dev-exp-lib"},{"id":59,"name":"dev-tool"},{"id":13,"name":"ecommerce"},{"id":26,"name":"editor"},{"id":66,"name":"emulator"},{"id":62,"name":"filesystem"},{"id":80,"name":"finance"},{"id":15,"name":"firmware"},{"id":73,"name":"for-fun"},{"id":2,"name":"framework"},{"id":11,"name":"frontend"},{"id":22,"name":"game"},{"id":81,"name":"game-engine "},{"id":23,"name":"graphql"},{"id":84,"name":"gui"},{"id":91,"name":"http"},{"id":5,"name":"http-client"},{"id":51,"name":"iac"},{"id":30,"name":"ide"},{"id":78,"name":"iot"},{"id":40,"name":"json"},{"id":83,"name":"julian"},{"id":38,"name":"k8s"},{"id":31,"name":"language"},{"id":10,"name":"learning-resource"},{"id":33,"name":"lib"},{"id":41,"name":"linter"},{"id":28,"name":"lms"},{"id":16,"name":"logging"},{"id":76,"name":"low-code"},{"id":90,"name":"message-queue"},{"id":42,"name":"mobile-app"},{"id":18,"name":"monitoring"},{"id":36,"name":"networking"},{"id":7,"name":"node-version"},{"id":55,"name":"nosql"},{"id":57,"name":"observability"},{"id":46,"name":"orm"},{"id":52,"name":"os"},{"id":14,"name":"parser"},{"id":74,"name":"react"},{"id":82,"name":"real-time"},{"id":56,"name":"robot"},{"id":65,"name":"runtime"},{"id":32,"name":"sdk"},{"id":71,"name":"search"},{"id":63,"name":"secrets"},{"id":25,"name":"security"},{"id":85,"name":"server"},{"id":86,"name":"serverless"},{"id":70,"name":"storage"},{"id":75,"name":"system-design"},{"id":79,"name":"terminal"},{"id":29,"name":"testing"},{"id":12,"name":"ui"},{"id":50,"name":"ux"},{"id":88,"name":"video"},{"id":20,"name":"web-app"},{"id":35,"name":"web-server"},{"id":43,"name":"webassembly"},{"id":69,"name":"workflow"},{"id":87,"name":"yaml"}]" returns me the "expected json"