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6. Settings
Jimmy Pautz edited this page Oct 23, 2026
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The Backup & Restore Settings card allows you to personalize where your backups are saved, how many are kept, and how device migrations are handled.
- Open KOReader.
- Tap the top menu → tap the Tools (wrench icon) menu.
- Tap Device Backup & Restore → Backup & Restore Settings.
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Options:
.zip(Default) or.tar.gz -
What it does:
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.zip: Standard format recognized by almost all computers, phones, and operating systems. -
.tar.gz: Highly compressed format that saves a little extra space.
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Options: Default (
koreader/backups/) or any custom folder of your choice. - What it does: Controls where backup files are saved on your device.
- How to change it: Tap the setting to open the interactive Folder Picker. You can browse your internal storage or an external MicroSD card and create new folders directly from your e-reader.
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Options:
5(Default),3,10, or0(Keep all / Unlimited) - What it does: Automatically manages storage by keeping only your newest backups. When a new backup is created and the limit is reached, the oldest backup is automatically pruned.
- Safety guarantee: Pre-restore safety rollback snapshots are never deleted by this limit.
- Options: Enabled (Recommended) or Disabled
- What it does: Keeps your e-reader safe when restoring backups across different hardware models (such as moving from a Kindle to a Kobo, or from an Android reader to a Linux e-reader).
- How it helps: Automatically adapts physical screen resolutions, frontlight warmth curves, and internal system paths to match your current device so your reader starts up cleanly without glitches.
- Options: Disabled (Default) or Enabled
- What it does: When enabled, restoring a backup will remove any user-installed plugins that were not part of that backup, giving you an exact mirror of the backed-up device. When disabled, existing user plugins are preserved.
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Options: Default Relay (
https://...) - What it does: The secure, privacy-friendly cloud relay used for wireless device-to-device transfers. You can keep the default setting or specify your own private server address if preferred.
- Enable Scheduled Reminders: Toggle automated reminder checks on or off.
- Reminder Frequency: Choose between Every 3 Days, Weekly (Every 7 Days) (Default), Every 2 Weeks, or Monthly (Every 30 Days).
- Components to Back Up: Choose specifically which components are included in scheduled backups (for example, keeping them fast with just settings and reading history, or comprehensive with fonts and plugins).
- Upload to Cloud on Completion: Automatically uploads scheduled backups to your configured cloud provider when connected to WiFi.
- Test Reminder Now: Triggers the reminder dialog immediately to preview how the prompt functions on your e-reader.
- Storage Provider: Choose between None, Google Drive, Microsoft OneDrive, Dropbox, WebDAV, FTP, or SFTP.
- Connect / Configure Provider: Sign in to your cloud provider using the on-screen OAuth device code or enter your self-hosted server credentials.
- Test Cloud Connection: Runs a live connectivity check to confirm your account and server settings are working.
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Remote Backup Folder: Name or full path of the remote directory (default:
koreader_backups).-
Nested Folder Support: You can specify deep paths like
koreader/kindle/backups. The plugin automatically creates all subfolders on the remote service. -
Smart Path Cleaning: Cleans up leading, trailing, or double slashes, and accepts either
/or\seamlessly.
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Nested Folder Support: You can specify deep paths like
- Upload to Cloud on Creation: Automatically uploads any newly created backup archive to your cloud storage when connected to WiFi.
- Browse Cloud Backups: Browse archives saved on your cloud storage to view details, restore them to your device, or delete old files.