Separate instances
Create Vanilla, Fabric or Quilt instances. Each one has its own mods, resource packs and memory setting. Pick any snapshot or release.
Windows and Linux
Minecraft,launched fast.
Flash Client is a quick, light Minecraft launcher. Make separate instances, install mods in one click and let it take care of Java.
Flash Client is available for Windows and Linux.
The Home screen has a big Launch button, an instance picker, an account picker, news, a Discord card, and partnered servers with Copy IP and one-click Join.
2mod sources
2platforms
<4 MBInstaller under 4 MB
Features
Everything you need to play, nothing in the way.
Built with Rust and Tauri, so it opens fast and stays light. Here is what it does.
Mods and packs browser
Search Modrinth and CurseForge without leaving the launcher. Install in one click. Required dependencies are added for you.
Add from files
Drop in your own .jar mods, .zip resource packs or .mrpack modpacks. Each one goes to the right folder.
Performance mods, added for you
Performance mods are added to new Fabric and Quilt instances. It is ticked by default, and you can untick it.
Microsoft or offline sign-in
Sign in with a Microsoft account, or add an offline account. Switch between accounts from the Home screen.
Game logs window
Colour-coded lines, a filter, copy all, clear and follow new lines. Stop the game from the same window. Your access token is hidden.
Dark and light themes
Dark is the default. Switch to light from Settings or from the banner on the Home screen.
Discord Rich Presence
Show "In the launcher" or "Playing Minecraft" on your Discord profile. Instance names and servers are never shown.
Java, handled
Java is downloaded automatically. There is nothing to install first.
One launcher, many setups.
Keep a clean Vanilla instance next to a modded Fabric one. Changes in one instance never touch another.
- Vanilla, Fabric or Quilt
- Snapshots and release versions
- Mods, resource packs and RAM set per instance
Dark by default. Light when you want it.
Pick a theme in Settings or from the Home banner. On Windows, Flash Client shows up in the Start menu and in Windows search. Your data stays in the standard AppData\Roaming\FlashClient folder, or ~/.flashclient on Linux.
Performance
Faster from the first launch.
When you create a Fabric or Quilt instance, Flash Client can add performance mods and apply lighter video settings. Both are optional.
Fabric APISodiumImmediately FastLithiumModernFixFerrite CoreEntity Culling
Automatically add performance mods
This option is ticked by default for Fabric and Quilt instances. For the Minecraft version you choose, Flash Client adds the mods above. Any mod without a matching version is skipped.
Mods come from Modrinth and belong to their authors.
| Render distance | 6 |
|---|---|
| Simulation distance | 6 |
| VSync | Off |
| Improved transparency | Off |
| Mipmap levels | Off |
| Entity shadows | Off |
| Entity distance | Minimum |
| Graphics | Fast |
Applied once per instance, on first launch. You can turn this off in Settings. Anything you change in game later is kept.
Mods and packs
Find it, install it, play.
Search two big mod sources from one place. Install in one click, and update your mods when new versions arrive.
Modrinth
Search mods, resource packs and modpacks. Required dependencies are added automatically.
CurseForge
Search mods and resource packs. One click installs them into the instance you choose.
Add from files
Already have a file? Drop it in. Flash Client inspects it and puts it in the right folder. A modpack becomes a new instance. Wrong-loader mods and broken files are refused, with a clear explanation.
Mods and resource packs come from Modrinth and CurseForge and belong to their authors.
Updates
Always up to date.
Every time Flash Client opens, it checks for a new version. If there is one, it handles the rest.
-
Check
It looks for a new version each time it opens.
-
Download
The new version downloads in the background.
-
Verify signature
Its cryptographic signature is checked before anything is installed.
-
Restart
It installs the update and restarts.
On Windows
No admin prompt is needed.
On Linux
The AppImage updates itself. If you use the .deb, install the new .deb to update.
Discord
Let your friends see what you're playing.
Flash Client can show "In the launcher" or "Playing Minecraft" with your Minecraft version and loader on your Discord profile. It never shows instance names or servers, and you can turn it off in Settings.
Activity
Flash Client
Playing Minecraft 1.21.1
Fabric
00:12:34 elapsed
In the launcherPlaying Minecraft <version>
Download
Get Flash Client.
Free for Windows and Linux.
Windows
Windows 10 or 11, 64-bit
- Version
- Size
- Under 4 MB
- Released
- Download the setup file.
- Run it. No admin prompt is needed.
- Open Flash Client from the Start menu or Windows search.
Windows may show a SmartScreen warning the first time because the app is new. Click More info, then Run anyway.
Linux
64-bit x86_64
- Version
- Released
- Formats
- AppImage, .deb
- Download the AppImage.
- Make it runnable:
chmod +x ./Flash*.AppImage - Run it:
./Flash*.AppImage - Prefer a package? Install the .deb instead.
The AppImage updates itself. To update the .deb, install the new .deb.
FAQ
Questions, answered.
Yes. Flash Client is free to download and use.
No. You can sign in with a Microsoft account, or add an offline account. You can keep both and switch between them.
On Windows, in the standard AppData\Roaming\FlashClient folder. On Linux, in ~/.flashclient.
Every time it opens, Flash Client checks for a new version, downloads it, verifies its cryptographic signature, installs it and restarts. On Windows no admin prompt is needed. On Linux the AppImage updates itself. If you use the .deb, install the new .deb.
Yes. You can create Vanilla, Fabric or Quilt instances, and choose a snapshot or a release version for each.
If "Automatically add performance mods" is ticked, which it is by default for Fabric and Quilt instances, it adds Fabric API, Sodium, Immediately Fast, Lithium, ModernFix, Ferrite Core and Entity Culling for your chosen Minecraft version. Any mod without a matching version is skipped.
No. Flash Client is made by Noctrone Studios. It is not an official Minecraft product and is not approved by or associated with Mojang or Microsoft.
Open Settings in Flash Client and turn off Discord Rich Presence.
Ready to launch?
Download Flash Client for Windows or Linux. It is free, and Java is included.