KOReader
An ebook reader application supporting PDF, DjVu, EPUB, FB2 and many more formats, running on Cervantes, Kindle, Kobo, PocketBook and Android devices
- Sideload / dev mode
- Stable
- Low brick risk
This project hasn't been claimed by its maintainer yet, so its details come from the community. Is it yours? Claim it
Before you start
- How hard is it?
- EasyCopy a file or use a web page. No extra software.
- What you need
- Nothing beyond the device, as far as the project says.
- Can it break my device?
- Very unlikely to break anything.
- Can I undo it?
- The project doesn't say. Assume you can't.
Did it work for you?
Did KOReader v2026.07.1 work on your Amazon Kindle 4?
No reports yet for v2026.07.1.
Did KOReader v2026.07.1 work on your Amazon Kindle Paperwhite 3?
No reports yet for v2026.07.1.
One-tap reports from owners. Bricked reports are checked before they count.
Compatibility
Devices: Amazon Kindle 4, Amazon Kindle Paperwhite 3.
No compatibility information yet.
Getting started
From the project's README ("Installation"):
Please follow the model specific steps for your device:
Android • Cervantes • Kindle • Kobo • Linux • Pocketbook • reMarkable
Risk and recovery
- Brick risk
- Low
- Requires opening the device
- No
Releases
| Version | Name | Released |
|---|---|---|
| ota | OTAPre-release | 29 September 2026 |
| v2026.07.1 | KOReader 2026.07.1Latest | 1 August 2026 |
| v2026.07 | KOReader 2026.07 "Sailing Walrus" | 26 July 2026 |
| v2026.03 | KOReader 2026.03 "Snowflake" | 17 March 2026 |
| v2025.10 | KOReader 2025.10 "Ghost" | 1 November 2025 |
| v2025.08 | KOReader 2025.08 "Parasol" | 16 August 2025 |
| v2025.04 | KOReader 2025.04 "Full Moon" | 9 April 2025 |
| v2024.11 | KOReader 2024.11 "Slang" | 20 November 2024 |
| v2024.07 | KOReader 2024.07 "Outside" | 15 July 2024 |
| v2024.04 | KOReader 2024.04 "Sourdough" | 29 April 2024 |
| v2024.03.1 | KOReader 2024.03.1 | 5 March 2024 |
| v2024.03 | KOReader 2024.03 "Read 'n Relax" | 3 March 2024 |
| v2024.01 | KOReader 2024.01 "Snowy Summit" | 11 January 2024 |
| v2023.10 | KOReader 2023.10 "Ovis" | 30 October 2023 |
| v2023.08 | KOReader 2023.08 "Lavender" | 29 August 2023 |
| v2023.06.1 | KOReader 2023.06.1 | 9 July 2023 |
| v2023.06 | KOReader 2023.06 "Hydrangea" | 1 July 2023 |
| v2023.05.1 | KOReader 2023.05.1 | 2 June 2023 |
| v2023.05 | KOReader 2023.05 "Azalea" | 29 May 2023 |
| v2023.04 | KOReader 2023.04 "Solar Panel" | 27 April 2023 |
| v2023.03 | KOReader 2023.03 "Cherry Blossom" | 20 March 2023 |
| v2023.01 | KOReader 2023.01 "Winter Ivy" | 31 January 2023 |
| v2022.11 | KOReader 2022.11 "Froggy" | 30 November 2022 |
| v2022.10 | KOReader 2022.10 "Muhara" | 23 October 2022 |
| v2022.08 | KOReader 2022.08 "Tumbleweed" | 31 August 2022 |
| v2022.07 | KOReader 2022.07 "Ladybug" | 31 July 2022 |
| v2022.06 | KOReader 2022.06 "Hawthorne" | 23 June 2022 |
| v2022.05.1 | KOReader 2022.05.1 | 22 May 2022 |
| v2022.05 | KOReader 2022.05 "Tulip" | 21 May 2022 |
| v2022.03.1 | KOReader 2022.03.1 | 24 March 2022 |
Credits, license and support
- License
- AGPL-3.0