As I cannot edit my post, I will repost it below, in a more polite way, sorry for the above.

Hello!

I was trying to zoom out on a webpage when coding. The debugger zoomed out because I had the focus in it. The, when I tried I couldn't zoom back in. Now my debugger is unsuable because too small to read.

I use to be able to zoom-in and out in the debugger. Does anyone have the same issue ?

Thank you in advance.

The Command+0 (that's a zero) keyboard shortcut should reset the zoom level wherever has the focus. Click in the debugger's code pane and try it there to see whether that works. Or hold down Command and tap the + key repeatedly.

Any improvement?

In case Mac works differently than Windows, you could also check here:

(1) In a new tab, type or paste about:config in the address bar and press Enter/Return. Click the button promising to be careful or accepting the risk.

(2) In the search box above the list, type or paste zoom and pause while the list is filtered

(3) If the devtools.toolbox.zoomValue preference is bolded and "modified" to a value lower than 1, either:

• double-click it and edit the value to 1.0 then click OK
• right-click (on Mac, Ctrl+click) and choose Reset

Success?

jscher2000 said

The Command+0 (that's a zero) keyboard shortcut should reset the zoom level wherever has the focus. Click in the debugger's code pane and try it there to see whether that works. Or hold down Command and tap the + key repeatedly. Any improvement?

I tried that before posting, because that often happens to me and it usually works, althought, this time it didn't.

However your second answer using the config panel worked! You saved my coding sessions! Coding without firefox is a pain! ^^

Thank you very much!