RBXMods: free Roblox tools, Studio guides and fixes
Free Roblox Tools
No downloads, no sign-up — just answers.
Error Code Finder
Type any Roblox error code and get what it means and how to fix it.
Robux Calculator
See what you really receive after the marketplace fee, and your DevEx payout.
Value Lists
Trading values for Murder Mystery 2 Godly weapons and Pet Simulator 99 pets.
Script Generator
Generate working Lua scripts for your own Roblox game in seconds.
Learn Roblox Studio
Start building your own games, step by step.
Roblox RemoteEvents and RemoteFunctions Explained: How Client and Server Talk
The moment a button click on one player's screen needs to change the game for everyone, you need a remote. This guide explains RemoteEvents and RemoteFunctions, when to use each, and how to keep them secure.
How to Make a Game in Roblox: From First Idea to a Playable Game
Making a game in Roblox is not about learning every Studio tool first. It is about choosing one small idea, building a playable version of it, and publishing that — then improving it from real play.
How to Read Roblox Studio Script Errors: The Output Window Explained
Every red line in Roblox Studio's Output window tells you the script, the line and what went wrong — most beginners just never learned to read it. Here is how, plus fixes for the six errors everyone meets first.
Fixes & Help
Error codes, lag, joining problems and account safety — solved.
Why Roblox Music and Sound IDs Stopped Working (And What Creators Can Use Now)
If your favourite song ID suddenly plays silence, you are not doing anything wrong — Roblox changed the rules for audio in March 2022. Here is exactly what changed and what still works today.
How to Keep Your Roblox Account Safe: 2-Step Verification, PIN and Settings That Matter
Most Roblox accounts are not hacked with clever software — they are given away through fake free-Robux pages and shared cookies. Here are the exact settings that protect you, and what to do if the worst happens.
Roblox Game Not Joining or Lagging? The Real Causes and Fixes
"Lag" in Roblox is two different problems wearing the same name, and a game that will not join at all is a third. This guide separates them, shows you how to tell which one you have, and fixes each in order.
Browse by category
Jump straight to the topic you need.
Latest blogs
Fresh posts from the RBXMods team.
Roblox RemoteEvents and RemoteFunctions Explained: How Client and Server Talk
The moment a button click on one player's screen needs to change the game for everyone, you need a remote. This guide explains RemoteEvents and RemoteFunctions, when to use each, and how to keep them secure.
How to Make a Game in Roblox: From First Idea to a Playable Game
Making a game in Roblox is not about learning every Studio tool first. It is about choosing one small idea, building a playable version of it, and publishing that — then improving it from real play.
How to Make Your Roblox Game Popular: Discovery, Retention and the First Five Minutes
Every Roblox creator has watched it happen to someone else: a simple game suddenly fills with players, while their own carefully built game sits empty.
How to Make a Game Pass on Roblox and Sell It for Robux: A Complete Creator Guide
A game pass is the simplest way for a Roblox creator to earn Robux: a one-time purchase that gives players a permanent perk. This guide covers creating it, pricing it, and scripting it so it actually works.
How to Read Roblox Studio Script Errors: The Output Window Explained
Every red line in Roblox Studio's Output window tells you the script, the line and what went wrong — most beginners just never learned to read it. Here is how, plus fixes for the six errors everyone meets first.
Why Roblox Music and Sound IDs Stopped Working (And What Creators Can Use Now)
If your favourite song ID suddenly plays silence, you are not doing anything wrong — Roblox changed the rules for audio in March 2022. Here is exactly what changed and what still works today.