How can I find big content to delete on my PS3?

I keep running out of space on my 250GB PS3, thanks in large part of my PS+ subscription. Every time I go to download a new big game, I have to trawl through the stuff I'm not using to find what's taking up so much space.
I haven't seen a way to "sort by size" or anything, and sometimes the big stuff is hiding in a subfolder -- I know about the Game Data Utility, but there are also some that put big files in the regular Save Data too. Checking every single entry is incredibly time-consuming.
Is there a simple way to pull up big files I haven't used in a long time?
Best Answer
if you have multi language game go to a file menager and delete all language that you dont need ,russian italian etc. that give some about 5 GB on every game.
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How do I free up storage space on my PS3?
Fix 1. Free Up Space on PS3 System StorageWhat is taking up so much space on my PS3?
The PS3 storage is taken up mostly by downloaded games and locally stored game data, usually DLC and installations.How do I delete stuff off my PS3?
How do I delete saved games on a PS3 (Playstation 3)? To delete games from your Playstation 3 hard drive, start your PS3 with no disk; navigate to the Saved Game Utility option in the XMB under Game to find the particular game you are trying to delete, and use the diamond button to delete saved game files.Does resetting PS3 delete everything?
Performing a factory reset deletes all your data and cannot be undone, you may want to back up your files first to an external hard drive or a USB storage device.How to erase storage in ps3.
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