Fladder

Fladder is a cross-platform frontend client for Jellyfin that lets you browse and play your media library across mobile, desktop, web, and TV devices. It focuses on a clean UI, multi-profile support, and reliable playback including offline syncing.

Key Features

• Stream media with direct play or server transcoding
• Download and sync media for offline playback while keeping progress in sync
• Manage your library, including refresh actions and basic metadata edits
• Multiple profiles for quickly switching users or servers
• Skip media segments such as intros and credits
• Trickplay support for improved timeline scrubbing
• Adaptive layout for mobile, tablet, desktop, web, and TV
• Dark/light mode with multiple color style options
• Simple comic book reading support for CBZ/CBR
• Integrations with Seerr/Jellyseerr

Use Cases

• Daily Jellyfin viewing on phones, desktops, and Android TV with a consistent UI
• Offline playback for travel while keeping watch progress synchronized
• Households with multiple users or multiple Jellyfin servers

Limitations and Considerations

• Some features may depend on Jellyfin server capabilities (for example, transcoding and segment markers)
• The hosted web build may be restricted to secure connections depending on where it is served

Fladder is a practical option for users who want a modern Jellyfin experience across many platforms with both streaming and offline workflows. It is especially well-suited for mixed-device setups and multi-user environments.