Beautiful JSONVIEW in Firefox 57+


since Firefox Quantum (version 57), the addon Jsonview to display JSON beautifully is obsolete.

Json contents are displayed as raw text, in black and white.

Test it with this BMA url :

But you don’t need an addon anymore…

Type about:config in the address bar, then search this jsonview parameter :


Set it to “true” and taa taa !

Test it again with this BMA url :


7 « J'aime »

Well this feature was already enabled by default in my home when I installed firefox 57, I thought it was already enabled by default for everyone in the meantime.:sweat_smile:

2 « J'aime »

I used Json lite instead: