Best Significant Memory Mozilla Addons Alternatives

As soon as maximum contiguous virtual memory approaches zero, the browser will be automatically restarted to prevent 'out of memory' crashes (with either 'mozalloc_abort(char const* const)' or empty crash signatures). For Windows power users.

Adds a new page that shows add-on memory usage

Tab Memory Usage displays the amount of memory is used by each tab

Saves memory usage information periodically (mainly for troubleshooting), for web/addon developers.

An add-on to perform Free memory operations without visiting about:memory.

An add-on to perform free-memory operations without visiting about:memory.
For Firefox 40+, try Free Memory 2.0 https://addons.mozilla.org/en-US/firefox/addon/free-memory-20/

An experimental memory profiling tool.

Provides user with tab related stats and memory usage

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Amended Memory Fox.
Attempts to reduce both Browser and Flash usage of RAM memory. Memory Fox Next will promote the increase of available RAM for other application processes, hopefully, fostering any attempts of Memory Recovery and Retention.

Improve your memory by playing following memory games.

An add-on to Optimize Memory easily and perform Free memory operations without visiting about:memory. The best Memory Optimizer!

Gives you a quick way to restart if memory usage is too high.

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log all request and write memory in a text file

Task Manager to see the CPU and Memory usage of the tabs, works best when using e10s to be able to see the total process memory usage.

Allows you manage memory without visiting about:memory.

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