Rated 1 out of 5 stars

Doesn't do anything on my Firefox 6.0 on Linux.

Rated 1 out of 5 stars

"does not seem to do anything. it is a bit suspicious how the program should stil be able to do anything when it was never updatet since the initial release in late 2007."

This is spot on.

Rated 5 out of 5 stars

The only useful addon to free up memory

Tools Menu Rated 3 out of 5 stars

Still testing this add-on on Firefox 3.6.21. Minor issue, the "nondescript" entry under Tools Menu. If you want to change this entry to, for example, RAMBack Clears Caches, you can do so by decompressing the ramback.jar file and then by changing the ramback.dtd file as follows:

<!ENTITY ramback.label "RAMBack Clear Caches">
<!ENTITY rambackToolbar.label "RAMBack">
<!ENTITY rambackToolbar.tooltip "Clear internal caches!">

Then, re-compress (e.g., using IZArc and the fast setting) all the folders into a new ramback.jar file and place it where the original file (renamed ramback.jar.old) resides. This worked for me ..! Best, CBA

Really does make a noticeable difference in Firefox 5 but stopped working in Firefox 7 Rated 1 out of 5 stars

Stops Firefox 5.0.1 'going to sleep' when I leave the computer for a few hours.
For some time now when returning to the computer I have to wait several minutes for Firefox to 'wake up' and sometimes Windows will also display the message 'unresponsive'.
Since installing RAMBack I no longer have this problem and even in normal use I can see that Firefox is more responsive.
I have been constantly watching the memory usage of Firefox with StatusbarEx and in normal usage with say 6 tabs open it will show memory constantly being cleaned and dropping to 10mb before stabilising at around 30mb. If I leave the computer it will stabilise at around 18mb.
This means I am not constantly having to worry about my workload hiking the RAM up to near 70% or 80%.
While typing this review the maximum memory Firefox is using is 35mb out of an available 488mb.
Only takes a mere 12kb on disc as well.
I think that it does a great job.

Edit: October 17, 2011
With Firefox 7.0.1 RamBack no longer works at all.
I suppose it has done well to last up to Firefox version 5 without modification since 2007.
It is a great pity that it no longer works and that the developer has not updated it for 4 years.
It could of course be an add-on conflict but I doubt it as I have not added anything since FF5.
I have had to change the star rating from 5 stars to 1 star as a result.

FreeRAM XP Pro for Windows XP is the better choice (but note this is not an add-on)
I have now installed FreeRAM XP Pro which works brilliantly if set to 'Try to Free 100mb' and the CPU: Aggressively. There are extensive settings for full customisation to the individual system requirements. It works independently of Firefox so there are no compatibility issues to worry about. Set it and leave!

Hopefully one day the developer will update RAMBack.

Disappointing Rated 1 out of 5 stars

No effect on 4.0.1. Anyway why should I need some add-on to stop firefox eating up memory? Explorer doesn't do this, Chrome doesn't. I'm not going to upgrade to the next Firefox until they sort this out. I am fed up with this program slowing down my computer, the fan constantly running, etc.

Rated 5 out of 5 stars


WFM Rated 2 out of 5 stars

Didn't impact memory usage much, but seemed to drop CPU usage, perhaps coincidentally.
Before, after:
5412 firefox-bin 46.7 19:24:31 42 1 928 13601- 1458M+ 155M- 1816M- 2050M- 5641M- 5408 1 sleeping 504 380431255+ 302645 2176802792+ 1058870181+ 161795947+ 355071 xy
5412 firefox-bin 18.0 19:25:31 41 1 926 13514- 1340M- 145M+ 1690M- 1932M- 5462M- 5408 1 sleeping 504 380679191 302658 2178073052+ 1059467255+ 161908252+ 355469 xy

Rated 3 out of 5 stars

Works well at reducing the RAM usage, however at a cost. When opening a new tab after Firefox was minimized, Firefox will hange while it retakes the RAM it wants.

If Firefox is idle, the RAM usage will drop to 30 to 50 MB. When Firefox is active the RAM rockets up. Without this addon the Firefox will slowly eat your RAM (even without any addon's installed). My Firefox will use up to 1.5GB of RAM. When Firefox gets to about 700MB of RAM, Firefox becomes 'sluggish'. With this addon, Firefox get up to about 500MB of RAM, even when active.

All in all, a good addon, however, restarting Firefox is the fastest way to reclaim the RAM Firefox wants.

Rated 2 out of 5 stars

This does not seem to do anything, or at least very little, no more than 60ish MB released which is nothing compared to the 1.5 GB I sometimes reach when I open a lot of tabs. Even after closing them the memory does not change much. This seems to be a problem with firefox though and not necessarily this add-on.

Rated 1 out of 5 stars

does not seem to do anything. it is a bit suspicious how the program should stil be able to do anything when it was never updatet since the initial release in late 2007.

Rated 1 out of 5 stars

It doesn't seem to be working on mac os x. I monitor my memory usage before and after cleaning internal caches not even a single byte changes.

This user has a previous review of this add-on.

Rated 5 out of 5 stars

Great add-on. This add-on should be compulsory for tab-aholics!!!
I don't know why this add-on isn't featured but I'm sure it will be soon.

Rated 5 out of 5 stars

hey it works on ff4 now

This user has a previous review of this add-on.

Rated 5 out of 5 stars

hey dude please for god sake update it for firefox 4

please dude

Rated 5 out of 5 stars

Please update for FF4

Rated 5 out of 5 stars

If there's anything my Firefox needs to do less of, it's eat all my RAM, especially with what little I have. PLLLEEEEAAAASSSEEEE update this for Firefox 4!

Rated 5 out of 5 stars

Pleeeeeeaseeeee, update!!! Thanks!

This user has 2 previous reviews of this add-on.

good one Rated 5 out of 5 stars

very useful addon. is it compatible with latest ff ?

Rated 3 out of 5 stars

Perhaps I was previously mistaken. Since my post of May 28th I learned that there isn't only cache on disk, but also memory or ram cache, or at least both were mentioned in what I read (someplace online). If there is non-disk cache in memory or ram, then this might be the sort of internal Firefox cache RAMBack is said to clear or free up.

But Firefox uses its own disk cache folders and these can surely be conceptually thought of as internal to Firefox, as well.

For people who don't know all of the technical details about everything that's involved (especially because a lot really is transparent to users) the description for this extension should be made up-front clear or specific about what caches are cleared by the extension.

Previously, I had only been aware of only cache on disk. If I had heard or read of non-disk cache, before, then it was so seldom that it was easily forgotten. And there are many people who are real novices with computers, which I'm not, but still don't know every technical detail about all aspects of computers and software.

Until this is cleared up, I won't use this extension, but will give it a slightly better rating than the last time.