Throttling Bandwidth on Firefox – How to Guide

bandwidthfirefoxwindows 7

I currently use Firefox as my browser, and saw there was an add-on called "Firefox Throttle" that would limit my bandwidth usage for me. As I am on an overall low data cap from my ISP, I wanted to use this plugin, but found it was outdated and broken. What other way can I limit my bandwidth?

I am using Windows 7 x64

Best Answer

6 years later, a plugin is no longer needed! This has been part of the Network Monitor UI (press F12) since Firefox 55 (August 2017). Throttling allows the emulation of the bandwidth and latency of various network types, from GPRS up to WiFi:

https://developer.mozilla.org/en-US/docs/Tools/Network_Monitor/Throttling

https://bugzilla.mozilla.org/show_bug.cgi?id=1349559

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On Linux, you could use trickle, which works for any application.

For example, running

$ trickle -d 50 -u 10 firefox

in the terminal will start Firefox and limit it to 50 kB/s download and 10 kB/s upload. For Firefox, make sure no other instance is running.

On Windows, you might give give a shot on Google. My first hit was NetLimiter, non-free, unfortunately.

For a more reliable and network-wide and cross-platform solution I recommend looking at configuring QoS on your router.

Best Answer

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