Open Source GPLv3 Licensed Flutter / Dart Windows Android Linux macOS (untested)

Convert The Spire Reborn

The Cleanest Way to Download YouTube Playlists.

Free, open-source. Download individual videos or massive playlists in true 4K/8K.

Built and maintained by one indie developer, Lukas Bohez. 950+ downloads

Proof screenshot showing 100+ video downloads supported — **100+ video proof** Real screenshot showing the larger playlist download workflow in action.

Search view showing live results from multiple sources — **Search + queue workflow** Find content fast, add items in one click, and keep the queue moving.

Playlist manager with selected tracks ready for download — **Full playlist downloads** Queue entire playlists and grab 100+ videos without babysitting the app.

Download queue showing quick new-song additions — **Quick new-song downloads** Add fresh tracks fast and keep download progress organized.

Settings page with configurable download folders and format options — **Full customization** Fine-tune folders, formats, workers, notifications, and output behavior.

Built-in guide and onboarding information — **Built-in guide** Learn every feature with clear in-app documentation and tips.

Built-in media player with song list and playback controls — **Integrated media player** Preview, play, and manage downloads without switching tools.

Usage stats showing converted playlists and total videos processed — **Usage stats** See how many videos and playlists you have converted, including 100+ playlist runs.

Torrent workflow with legal use guidance — **Torrent workflow** Manage torrent tasks with legal-use guidance and clear status tracking.

v10.8.2: Improved crash resilience keeps long-running sessions stable
v10.8.2: BitPlayer remains fully integrated across desktop and mobile
Unified Convert + BitPlayer workflow remains active across desktop and mobile
Published SHA256 checksums make binary verification straightforward

Built-in browser with smart URL handling & ad blocking
Download from 1,800+ sites via yt-dlp - 1080p video, 320 kbps audio
Convert between 27+ formats - docs, images, archives & media
DLNA / UPnP casting to any TV, speaker, or receiver on your network
Built-in media player with playlists, queue & library management
100% open-source under GPLv3 - your files never leave your machine

Windows Android Linux macOS

Why does Windows show a warning?

Windows SmartScreen warns about unsigned software - this is normal for indie apps that aren’t code-signed (signing costs ~$200/year). The app is 100% open-source under the GPLv3 license.

To run the app: click “More info” → “Run anyway.”

Learn more View source Verify checksums Supporters View example project pictures → Portfolio Support chat

Release Notes Latest release April 23, 2026

Improved crash resilience - latest release

The app is more resilient in long-running sessions, so leaving it open for too long no longer trips the same crash path.

ConvertTheSpireReborn-windows-x64.zip - 38.5 MB
ConvertTheSpireReborn-linux-x64.zip - 25 MB
ConvertTheSpireReborn-macOS.zip - 64 MB
ConvertTheSpireReborn.apk - 287 MB
ConvertTheSpireReborn.aab - 157 MB
SHA256SUMS.txt - 543 Bytes

View on GitHub See all releases

Integrated v10.8.2 Flutter / Dart Windows Android

BitPlayer: Torrent & Media

Now part of Convert The Spire Reborn v10.8.2.

BitPlayer is integrated into Convert The Spire Reborn as the torrent + media hub
Advanced background playback for podcasts, lectures, and large music libraries
Bluetooth media controls for headset and car playback
Fast local folder loading for large media collections
Built-in browser, bookmarks, history, incognito mode, and torrent manager
Testing group continues for BitPlayer feedback

Get on Google Play Open Convert app page Join test group BitPlayer details

Status: BitPlayer is now part of Convert The Spire Reborn v10.8.2.

Background music Direct download Chrome-compatible Firefox-ready

Lofi Extension

Ambient music controls for your browser.

Play relaxing lo-fi while you work
Download for Chromium or install Firefox add-on
Privacy-first with no tracking

Download Extension Firefox Add-on Chromium ZIP

SpireAI - Live Multiplayer Quizzes

Create and play real-time multiplayer quizzes. Teachers build quizzes instantly from text. Students compete on live leaderboards. Community themes enable collaborative quiz creation.

Launch SpireAI Portfolio

Quiz & Games

Compete in real-time multiplayer quizzes with thousands of community-created themes. Pick a mode and start playing instantly.

Tools & Content

Use one focused workspace for creation, publishing, analytics, and app distribution.

Create interactive stories and structure branching flows quickly. Read and manage serialized stories from your content hub. Browse guides and long-form article content in one place.

Support

Get help fast and review site policies.

Quiz The Spire