v2.2.6 · out now

Cosmic Executor — Best Free Roblox Executor 2026

This is the official Cosmic Executor website. It's a free Roblox executor that runs on Windows, Android, Mac and iOS. Open it, inject into your game, and run whatever Lua script you want. You get a real code editor for your own scripts plus a library of 1,200+ ready-made ones. No key system, no paid version, no catch.

Download free See how it works
  • 100% free
  • No key system
  • 4 platforms
Cosmic Executor main window with the Lua editor, execute panel and console output
0 Users online now
0 Total downloads
0 Uptime (30 days)
0 Cloud scripts
Features

Why people pick Cosmic Executor

Most free executors are either bare-bones or buried under key sites and ads. Cosmic gives you a proper editor, a one-click injector and a big script library, and it stays free.

A proper Lua editor

You get syntax highlighting, line numbers, multiple tabs and a font you can actually change. Write your script, spot the errors, and run it with the Execute button or F5. It feels like a small IDE, not a plain text box.

Cosmic Executor Scripts tab with a highlighted Lua editor and a saved-scripts list

Over 1,200 scripts

Search the built-in library, sort by rating or downloads, and run anything in one click. No shortened links, no waiting.

Injects fast, holds steady

The loader attaches to Roblox in a couple of seconds and keeps its grip, so your scripts don't drop halfway through a game.

Keybinds you set

Map execute, inject, toggle and the console to whatever keys you like, then fire your scripts without tabbing out of the game.

Themes for late nights

Pick from Cosmic Purple, Midnight, Galactic Dark and a few more, change the accent colour, and tighten the layout if you want.

How to use Cosmic Executor

Your first script in four steps

Never used an executor before? This short Cosmic Executor tutorial covers everything. If you can copy and paste, you're already most of the way there.

  1. 01

    Download and open it

    Grab the build for your device further down the page and run it. On Windows and Mac you might have to allow the app the first time.

  2. 02

    Open Roblox, then inject

    Join the game you want to play, switch back to Cosmic and press Inject (or F9). Give it a second to say it worked.

  3. 03

    Grab a script

    Pick one from Cloud Scripts or paste your own Lua into the editor. Either way works the same.

  4. 04

    Run it

    Press Execute (or F5) and check the console. Once it says the script ran, you're done.

Download

Get Cosmic Executor for your device

Same executor, four builds. Download Cosmic Executor for whichever device you're on, since the setup is a bit different on each.

Recommended · every feature

Cosmic Executor for Windows

This is the full desktop version. You get the whole editor, the cloud library, keybinds and themes, and it supports the widest range of games.

  • Windows 10 or 11 (64-bit)
  • Full LuaU engine and debug console
  • Updates itself when you open it
Download for Windows

v2.2.6 · 45.2 MB · .exe

Quick setup
  1. Run CosmicExecutor.exe
  2. If SmartScreen shows up, click "Run anyway"
  3. Open Roblox, hit Inject, then Execute
System requirements

Will it run on your device?

Cosmic is light. If Roblox already runs fine for you, Cosmic will too.

Windows

OS
Windows 10 / 11 (64-bit)
CPU
Dual-core, 1.8 GHz+
RAM
4 GB (2 GB min)
Disk
120 MB free

Android

OS
Android 8.0+
CPU
ARM64 (arm64-v8a)
RAM
3 GB recommended
Root
Not needed

macOS

OS
macOS 12+
CPU
Apple Silicon / Intel
RAM
4 GB
Disk
130 MB free

iOS

OS
iOS 15+
Device
iPhone / iPad (A11+)
RAM
3 GB recommended
Setup
Sideload (IPA)
What you can run

The scripts people actually want

Cosmic runs normal LuaU, so pretty much anything you'd expect works, from admin commands to full game hubs.

Admin

Command scripts

Infinite Yield, FE admin suites and moderation tools with hundreds of commands.

Universal

Game hubs

Multi-game hubs that figure out which experience you're in and load the right module.

Automation

Auto-farm and grinders

Farming loops, collectors and idle grinders for the games people grind the most.

Visual

ESP and tweaks

ESP, camera tricks, walkspeed changes and other quality-of-life visual scripts.

Your code

Custom Lua

Whatever you write yourself. The editor runs your own LuaU the way you'd expect it to.

Library

Saved and local files

Import .lua or .txt files, keep them in your library, and run them again with one click.

Anti-cheat compatibility

Cosmic is built to stay stable against the common client-side protections. What works depends on the specific game, and it changes as games update.

Byfron / Hyperion bypassed
Standard client anti-tamper
Most FE-based checks
Custom game anti-cheats varies
Server-side checks be careful
Kick and rejoin recovery

Green means it's handled right now. Amber means it depends on the game you're in. No executor can promise you'll never get banned, so use an account you don't mind losing.

Scripts

Browse the Cloud Script library

Click a line to open it and grab the loadstring. This is a taste of the Cloud Scripts tab inside the app.

cosmic — cloud-scripts click a line
cosmic $ scripts --list --sort popular
… and 1,243 more inside Cosmic Executor
Cosmic Executor Cloud Scripts tab showing popular scripts with download counts, ratings and a details panel
Changelog

What changed, and when

Click a version to see the notes. Newest is up top.

cosmic — changelog click a version
cosmic $ git log --releases
Is Cosmic Executor safe?

The honest answer on safety

The build on this site is clean. No miners, no adware, no key sites you have to click through. That said, you're running an executor, so here's what's actually worth knowing before you install anything.

  • Only download from here. Fake "Cosmic" files show up on random hosts and some of them are infected. This site is the only version we stand behind.
  • It stays sandboxed. The loader keeps execution contained. It doesn't touch your Roblox login or mess with system files.
  • Antivirus might flag it. That happens with almost every injector, since the behaviour looks like what real cheats do. Add the Cosmic folder to your exclusions rather than switching off your antivirus.
  • A ban is always possible. Exploiting breaks Roblox's rules. Cosmic lowers the odds of getting caught but can't rule it out, so play on an alt you're okay losing.
Community

What people say on Reddit and Discord

A lot of the Cosmic Executor Reddit talk happens in the exploiting subreddits and in our Discord, where updates get tested first. A few recent posts:

r/ u/void_scriptsr/robloxexploiting ▲ 412
Tried a bunch of executors this year and Cosmic is the first free one that injects clean every time. And it doesn't throw a key site at me.
r/ u/mobilemainr/robloxhackers ▲ 288
The Android version works with no root. Had Infinite Yield running on my phone in about two minutes. Still can't believe it's free.
D @pixelDiscord · #showcase ★ pinned
The editor is actually good. Tabs, highlighting, keybinds, all there. Feels like a tiny VS Code. Updates come out quick too.

These are from public community threads, shortened a bit. Double-check you're on the official site before you download anything.

Screenshots

A look inside the app

Every tab, one screenshot each. This is the real v2.2.6 build, not a mock-up.

Cosmic Executor Settings with general, executor, interface and advanced options
Settings: tune the engine, editor and file paths
Cosmic Executor Keybinds screen with remappable actions like execute, inject and toggle
Keybinds: map any action to any key
Cosmic Executor Themes screen with Cosmic Purple, Midnight and Galactic Dark and accent colours
Themes: five looks and custom accents
FAQ

Questions people ask

The stuff that comes up most before downloading Cosmic Executor.

Is Cosmic Executor safe to use?

The version here has no adware, no miners and no forced key sites, and it runs sandboxed. The one real risk with any executor is grabbing a fake copy, so stick to this official website. Your antivirus might flag the injector, which is expected, and the fix is to add the Cosmic folder to your exclusions rather than turning protection off entirely.

How do I use Cosmic Executor?

Join a Roblox game, open Cosmic, press Inject and wait for it to confirm, then paste a script or pick one from Cloud Scripts and hit Execute. The four steps higher up the page walk through it with the exact buttons and hotkeys.

Is it actually free?

Yeah, all of it. There's no premium tier, nothing locked behind a paywall and no key system. The whole idea is a solid executor that just stays free, so every feature is there from the first time you open it.

Can I get banned for using it?

Exploiting goes against Roblox's Terms of Service, so a ban is possible with any executor, not just this one. Cosmic has anti-detection built in that cuts the risk, but nothing makes it zero, especially in games that run their own server-side checks. Safest move is to use an alt you won't be upset about losing.

What's the difference between Cosmic Exe and Cosmic Exploit?

They're just two names for the same thing. People say "Cosmic Exe" when they mean the Windows .exe download, and "Cosmic Exploit" when they're talking about what it does. Both point to this one Cosmic Executor project and the builds on this page.

Where do I find Cosmic Executor on Reddit?

People discuss Cosmic across the main Roblox exploiting subreddits, where you'll see update tests and script tips. Reddit is great for feedback, but be careful with download links posted there. The build on this official website is the only one we can actually vouch for.

Troubleshooting

Something acting up? Try this first

The problems that come up most and how to sort them out quickly.

Injection fails or hangs

Make sure Roblox is fully loaded and you're actually inside a game, not the menu, before you inject. On Windows, run Cosmic as administrator. And if Roblox just updated, wait for Cosmic's own update to finish on launch so the bypass lines up with the new version.

SmartScreen or antivirus blocks the download

For SmartScreen, click "More info" and then "Run anyway". For antivirus, add the Cosmic Executor folder to your exclusions, which is normal for injectors. Don't switch protection off completely, just exclude that one folder.

A script runs but nothing happens

Look at the console for red errors first. Usually it's a script meant for a different game, or an old one, so try re-copying it from Cloud Scripts. Some scripts also only work once your character has fully spawned in, so give it a moment and run it again.

Cosmic crashes or won't open

Delete the config folder listed under Settings, File Locations, then open it again to reset things. Check your device meets the requirements above, and make sure you're on the newest build, since old versions can break after a Roblox update.

The APK won't install on Android

Turn on "install unknown apps" for whatever browser or file manager you used to open the APK. If it still won't go, you probably have an older signed copy already installed, so uninstall that first and then install the fresh one.

iOS says the app can't be verified

Go to Settings, General, VPN and Device Management, and trust the profile from your signer. Sideload certificates run out after a while, so if it stops opening in a week or two, just re-sign the IPA with your tool again.

Keybinds don't fire in a game

Some games grab certain keys for themselves, so pick a bind that doesn't clash. The function keys are usually a safe bet. Also check the keybind's toggle is switched on in the Keybinds tab.

Still stuck?

Hop into the Discord and post in the help channel with your device, your Cosmic version and the exact error from the console. People there are quick to reply, and most problems turn out to be a known fix tied to a recent Roblox update.

Ready to run your first script?

Download Cosmic Executor free for your device and you'll be injected in under a minute.

Download Cosmic Executor