Huan Material Manager is an add-on specifically designed for material management with an intuitive interface, helping you save time when working with materials by allowing you to mass-apply your desired adjustments to the materials you select,Tested on Blender versions 4.1 to 4.5

Two functions added back for Blender version 4.2 and above are Bloom and Blend Mode. With this feature, you can easily batch-switch the blend mode for the materials you select. You can also quickly enable the Bloom function without having to manually set up nodes in compositing

Film = Transparent: Allows you to quickly choose whether the background is transparent or not, without having to go into Render Properties to toggle it on or off
CM view transform = Standard: As the name suggests, it allows you to switch the View Transform in Color Management to Standard
Optimize Cycles render: A quick setting based on multiple tutorials, helping to speed up the rendering process with Cycles. Click to switch between default and optimized modes
Pack res, Unpack Res, Find miss: Quick access buttons for File $\rightarrow$ External Data $\rightarrow$ Pack Resources, Unpack Resources, and Find Missing Files

The Cleanup Toolkit allows you to clean up unused materials and images.
Remove unassigned materials: Materials that are not being used by any faces will be removed from the material properties of that object
Remove unused materials permanently: Materials that are not being used by any objects will be deleted from the Blender file
Remove unused images permanently: Images that are not being used by any materials will be deleted from the Blender file

Adjustment: A tool that allows you to apply a batch of desired values to one or multiple selected objects

Material List: The main toolkit that allows you to work more intuitively with materials, including searching, renaming, swapping materials, sorting, selecting, and quickly applying materials to objects in Object Mode and Edit Mode. With flexible options, you will save a lot of time when working with materials in Blender