Backup & Sync

All Ophel data is stored locally in your browser by default. This page explains how to export and back up your data, and how to sync across multiple devices using WebDAV.

Local Backup (Import / Export)

Settings → Backup & Sync

You can export your data as a JSON file for backup or migration to another device:

Export type	What's included
Full backup	Everything: settings, prompts, conversation metadata, folders, tags (and optionally Claude Session Keys)
Prompts only	Your prompt library
Settings only	All configuration items

Import: Drag and drop a JSON file or click to select one. Ophel validates the format before writing. After import, the page refreshes automatically to apply the new configuration.

Import overwrites existing data. We recommend exporting a backup of your current data before importing.

Import from Gemini Voyager

Settings → Backup & Sync → Import from Gemini Voyager

Gemini Voyager is another Gemini conversation management extension. If you have already organized your conversations into folders with it, you can import that folder structure directly into Ophel.

Steps:

1. Export your folder data from Gemini Voyager (JSON format, filename looks like gemini-voyager.folders.v1...)
2. Copy the contents of the exported JSON file
3. In Ophel Settings, find Import from Gemini Voyager, paste the JSON into the input field, and click Start import
4. Ophel shows a preview (new folders added, conversations moved, etc.) — confirm to proceed

How the import works:

• Incremental merge: The import does not overwrite folders you have already organized in Ophel. Only conversations in your inbox or in previously imported Voyager folders will be re-categorized
• Folder flattening: Nested Voyager folders are flattened into path names (e.g. “Parent / Child”) — Ophel does not support nested folder hierarchies
• Gemini only: The import uses your currently signed-in Gemini account. Run it from a Gemini page

Clear All Data

Settings → Backup & Sync → Clear all data

Deletes all locally stored Ophel data — prompts, conversation metadata, folders, tags, and all settings — returning the extension to its initial install state.

Irreversible

This action cannot be undone. Export a backup first if you need to preserve your data.

WebDAV Sync

WebDAV sync lets you upload Ophel data to your own private server and keep it consistent across multiple devices. Common WebDAV servers include Nextcloud, Nutstore (Jianguo Yun), Synology NAS, and others.

Settings → Backup & Sync → WebDAV:

Field	Description
Server URL	Full URL of the WebDAV server (must start with https://)
Username	Your WebDAV account username
Password	Your WebDAV account password (stored locally, never sent to third parties)
Remote path	Directory on the server where sync files are stored (default: ophel, created automatically)
Sync mode	Manual (click a button) or automatic (on a set interval)
Auto sync interval	Minimum time between automatic syncs (minutes)
Data sources	Which data types to sync (settings / conversations / prompts / Claude Keys)

What Gets Synced?

WebDAV sync covers the metadata Ophel maintains locally:

• Folders, tags, and pinned state you've set in Ophel
• Your prompt library
• Ophel settings
• Claude Session Keys (optional; included by default — be mindful when sharing backup files)

Not synced: The actual conversation messages on AI platforms. Those messages belong to each AI service, and Ophel has no access to upload them.

Sync Notes

• WebDAV sync requires the optional <all_urls> permission. The browser will prompt when you first enable it.
• For multi-device setups, manual sync is recommended to avoid write conflicts when multiple devices sync simultaneously.
• To restore data on a new device: configure your WebDAV server details first, then click Pull from server.

Permissions

Settings → Permissions

Ophel uses the following permissions:

Permission	Type	Purpose
storage	Required	Save local configuration and data
notifications	Optional	Desktop notification when generation completes
cookies	Optional	Claude Session Key reading and switching
<all_urls>	Optional	WebDAV sync + watermark removal

Each optional permission can be revoked individually from this page. After revoking, features that depend on that permission are automatically disabled.