Getting free Robux isn't complicated, but the internet is full of people selling you snake oil about it.
I spent years watching this space before getting burned myself. The first time I saw a site claiming to generate unlimited Robux, I actually tried it. Took me about ten minutes to figure out it was just a phishing page. Since then, I've mapped out every legitimate method that actually works and every one that doesn't. There are really three paths. Two of them require you to do actual work. One requires you to wait. None of them involve typing your password into a random website. Roblox's official stance is that Robux can only be purchased or earned through their platform. They give out small amounts through events, premium memberships, and the occasional promotion. That's it. If you want significant amounts, you have to participate in the ecosystem rather than look for shortcuts.
Method one: Roblox Premium stipend
This is the closest thing to free money on the platform. Premium members get a weekly allowance of Robux just for maintaining their subscription. It's not a lot, but it adds up. The 1000 Robux per month tier basically pays for itself if you're already spending money on premium. The catch is you still need to pay for premium upfront. Some people consider this "free" because the Robux covers the cost. I've seen the math, and it only works if you were already going to buy premium. The stipend isn't generous enough to make the subscription free.
Method two: Create something that earns Robux
This is the real method. Roblox lets developers earn Robux when other players spend money on their experiences. Game passes, clothing items, developer products, any of it generates revenue you can withdraw. I spent about six months building a simple obby course. Made roughly 300 Robux in the first month from players buying speed boosts. Not life-changing money, but it was real Robux in my account from actual sales. The key insight most people miss is that you don't need a blockbuster game. A decently polished simple experience outperforms most complex abandonware projects. The hard part is discovering how the platform works. You need to learn basic Lua scripting, understand pricing strategies, and know how to push your game through Roblox's recommendation algorithm. There's no shortcut around the learning curve. People who hire someone to build their game for them usually waste money because they can't maintain or update it.
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Method three: Events and promotions
Roblox runs giveaways periodically. The biggest ones happen around major holidays and during sponsored events. I've collected maybe 500 Robux total from events over several years. It's not much, but it's literally free with zero effort beyond showing up. The Twitter and YouTube accounts that post about these events are more reliable than random websites. Follow @roblox directly. Ignore anything that says "enter your password to claim."
What doesn't work and why you should stop looking
Here's the brutal truth about generator sites, cheat tools, and "free Robux" apps. They don't work. Period. Every single one I've encountered does one of three things: steals your account credentials, installs malware on your computer, or asks you to complete surveys that generate revenue for them while giving you nothing back. I ran into a specific edge case where a site claimed to need your "session token" to deliver Robux. It sounded technical and legitimate to a kid who didn't know what that meant. Turns out once someone has your session token, they can access your account without your password. I lost about forty dollars worth of Robux and had to reset everything. That cost me more time and hassle than just earning it legitimately would have. The fundamental problem is that Robux is just a number in Roblox's database. There's no magic code you can type to add to it. The only way to add Robux to an account is through their payment systems. Anything claiming otherwise is either lying or trying to steal from you.
The affiliate route most people don't know about
Roblox has an official affiliate program where you earn commissions by referring new premium subscribers. The commission structure pays out in Robux. It's legitimate, tracked through your affiliate link, and the amounts are real. You need a following or marketing channel to make this worthwhile, but it's a clean method. I know someone who makes about 2000 Robux a month from referrals. Not their main income source, but it covers their premium subscription comfortably. They run a small Roblox Discord and post tips about game strategies. The referral program is baked into their content naturally.

Final thoughts on the whole situation
If you're under thirteen, talk to your parents about premium or wait until you can contribute to development. If you're a developer, spend the time learning Lua instead of searching for generators. If you just want free currency without contributing anything, your options are slim and most of the available paths involve risk. The internet will always have people selling you methods that don't work because they benefit from your clicks and surveys. The people who actually make Robux through the platform are usually too busy building games to advertise shortcuts.