A Modern, Feature-Rich Roblox Bootstrapper
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Warning
Disclaimer: This project (BoneFish) is a fork of Bloxstrap → Fishstrap → BoneFish.
It is not affiliated with the original Bloxstrap or Fishstrap projects. Use at your own risk.
Caution
Official Download: The only official place to download BoneFish is this GitHub repository.
Any other websites offering downloads or claiming to be us are not controlled by us.
BoneFish (pronounced bone-fish) is a powerful custom bootstrapper for Roblox, built on the foundation of Bloxstrap and Fishstrap. It's designed to enhance your Roblox experience with modern UI, advanced customization, and performance optimization tools.
Note
BoneFish is an application for Windows 10 and above.
For other operating systems, check out AppleBlox (Mac OS) and Sober (Linux).
- Wallpaper Background System — Choose from 5 background types (Default, Cool, Quality, Extra, Custom) or enable random mode for a fresh look every launch
- Custom Wallpaper — Upload your own images from your PC, with auto-fallback to
images/img/folder scanning - Custom Loading Screens — Upload your own images for a personalized loading experience.png / .jpg / .jpeg / .bmp supported
- Crosshair Overlay — In-game custom crosshair with 4 styles (Cross, Dot, Circle, CrossDot), adjustable size (20-200px), opacity (10-100%), 8 color presets, and drag-to-move positioning
- Global Hotkeys — Keyboard shortcuts for instant feature toggles:
Ctrl+Shift+C(Crosshair),Ctrl+Shift+F(FPS Monitor) - FPS Monitor Overlay — Real-time FPS display via ETW with color coding (green/yellow/red), draggable positioning, and persistent mode (stays active after game exit)
- Modern UI — Clean, minimal design with JetBrains Mono (monospace) font, Lucide-style outline icons, 2-column responsive layout, and dark/light theme support
- Custom Font, Cursor & Emoji — Upload custom fonts, choose between classic 2006/2013 cursors, and pick emoji styles (Twemoji, Windows 10/11, Catmoji)
- Bootstrapper Customization — Multiple bootstrapper styles (Legacy 2008/2011, Vista, Classic, Glass, Fake Byfron), custom icons, and custom title
- FastFlags Manager — 5 preset performance profiles:
- 🤖 Auto-Optimize — Detects your hardware and applies the best settings automatically
- 🛡️ Stable — Prioritizes stability with network optimizations
- 🐌 Ultra Low-Spec — For old devices (2-core, 2-4GB RAM, Intel HD)
- 🥔 Extreme Performance (Potato Mode) — Maximum FPS with configurable FPS cap (24-60)
- ⚖️ Balanced — Middle ground between performance and visuals
- Fast Loading Toggle — Accelerate asset loading by increasing texture compositor parallelism and thread limits (conditional: activates based on CPU core count)
- Turbo Mode — One-click performance burst: forces Extreme Performance preset, applies aggressive FastFlags, resets on restart (non-permanent)
- HDD/SSD Auto-Detection — 100% accurate detection via
DeviceIoControl+IOCTL_STORAGE_QUERY_PROPERTY, with automatic HDD Balanced preset for low-end HDD systems - Anti Not-Responding System — 3-layer protection: FastFlags (animation limits, telemetry disable), process priority boost, and RAM trimming for low-end devices
- FPS Monitor — ETW-based overlay with color-coded FPS, frame time, and Vulkan detection
- Detailed Server Information — Powered by RoValra's API: server region, player list, ping, uptime, and location
- Server History Tracking — Keep track of servers you've joined during the session, with one-click rejoin
- Auto-Reconnect After Crash — Detects Roblox crashes via exit code (NTSTATUS: negative = crash, 0 = normal exit), and offers a "Sambung Ulang" button to rejoin the exact same server (PlaceId + JobId), with automatic fallback to a new server if the old one is full
- Auto-Cache Cleaner — Automatic Roblox cache cleanup at startup (configurable max age, max size, with safety check for active Roblox processes)
- Quick Repair Shortcuts — One-click verification and repair of Desktop & Start Menu shortcuts
- Battery Saver Mode — Skips auto-wallpaper refresh when laptop is on battery (PC desktops without battery auto-hide the toggle)
- Roblox Studio Support — Full bootstrapper support for Studio with channel management
- Auto-Update System — Automatic update checks with release notifications and background updater
- Channel Switcher — Switch between Roblox deployment channels (production, beta, etc.)
- System Info Panel — Real-time display of CPU cores, RAM, storage type (HDD/SSD), and system tier right in the UI
- Custom Bootstrapper Themes — Advanced XML-based theme system for fully custom bootstrapper dialogs
- System Tray Integration — Minimize to tray on close with persistent tray icon
- Friend Online Notifications — Get notified when friends come online (Windows native notifications)
- Notification Sounds — Audio alerts for notifications
- Low-End Optimization — Reduced update frequency for older hardware
- Network Optimizations — Better Matchmaking with server region prioritization, MTU tuning, and telemetry reduction
- Multiple Instance Support — Launch multiple Roblox instances simultaneously
- DNS Resilience — Automatic DNS connectivity testing with backoff on failure
- Advanced Memory Management — Low-memory mode, working set trimming, and CPU affinity control for dual-core systems
Clean, modern settings panel with organized navigation
Custom fonts, emojis, cursors, and loading screens
Multiple appearance options and bootstrapper styles
Advanced features: Wallpaper Launcher, FPS Monitor, Notifications
- Download the latest release from Releases
- Extract the ZIP file to a folder
- Run
BoneFish.exe - Follow the setup wizard
- Enjoy your enhanced Roblox experience!
- OS: Windows 10 (1809+) or Windows 11
- Architecture: x64 (64-bit)
- .NET: .NET 9.0 Runtime (auto-installed if missing)
- Disk Space: ~200 MB
Navigate to Experimental page to:
- Toggle random background changes on app launch
- Select from 4 wallpaper presets instantly
- Changes apply immediately without restart
Go to Mods page to:
- Click Choose under "Custom Loading Screen"
- Select an image (PNG, JPG, JPEG, BMP)
- Preview appears immediately
- Click Save to apply
Enable in Experimental page:
- Real-time FPS overlay in-game
- Drag to reposition
- Persists across game sessions
BoneFish includes a detailed YouTube content script for creators who want to showcase the application.
The script includes:
- Complete video outline (15-20 minutes)
- Shot-by-shot breakdown with timestamps
- Voice-over suggestions in Indonesian
- B-roll requirements and editing tips
- Music recommendations
- Video description template with hashtags
- Thumbnail design tips
Perfect for creating professional tutorials and reviews!
We welcome contributions! Here's how you can help:
- Fork the repository
- Create a feature branch (
git checkout -b feature/AmazingFeature) - Commit your changes (
git commit -m 'Add some AmazingFeature') - Push to the branch (
git push origin feature/AmazingFeature) - Open a Pull Request
- Follow the existing code style
- Test your changes thoroughly
- Update documentation if needed
- Be respectful and constructive
Found a bug? Have a question?
- GitHub Issues: Open an issue here
- Discord Support: Join our Discord server and post in
#support-and-bugs
When reporting bugs, please include:
- BoneFish version
- Windows version
- Steps to reproduce
- Error messages/screenshots
- Log files (if applicable)
- pizzaboxer — Original creator of Bloxstrap
- Valra — RoValra API for server information
- Fishstrap Team — Foundation for many features
- JetBrains — JetBrains Mono font (SIL OFL)
- Lucide Icons — Open-source icon set (ISC License)
- WPF UI — Modern UI controls
- CommunityToolkit.Mvvm — MVVM framework
- AvalonEdit — Code editor component
- DiscordRichPresence — Discord integration
- SharpVectors — SVG rendering (for Lucide Icons)
- All contributors who submitted issues, PRs, and feedback
- Discord community members for testing and suggestions
- Everyone who uses and supports BoneFish
This project is licensed under the MIT License.
See the LICENSE file for details.
BoneFish is a fork of Bloxstrap by pizzaboxer (MIT).
See LICENSE.Bloxstrap for the original Bloxstrap license.
TL;DR:
- ✅ Free for any use (personal & commercial)
- ✅ Modify and redistribute (with attribution)
- ✅ Private use / fork freely
- ❌ Hold us liable for any damages
- ❌ Claiming as your own work
BoneFish is a third-party modification and is not endorsed by or affiliated with Roblox Corporation.
Use at your own risk. We are not responsible for any account actions taken by Roblox.
Roblox is a registered trademark of Roblox Corporation.
Made with ❤️ by the BoneFish Team