Simple Renaming is a batch renaming addon for Blender that covers objects, materials, collections, Node Groups, Point Clouds, and more. You can replace names, add prefixes or suffixes, trim characters from either end, and apply sequential numbering. Renaming can target all items or only selected ones, and can be limited to specific types such as meshes or cameras.
Beyond straightforward renaming, it offers case transformations to UPPERCASE, lowercase, Title Case, Sentence case, camelCase, or PascalCase, along with Regular Expression support and search-and-replace that handles regex case modifiers. Its @-variables insert dynamic values into name patterns — object name, parent, collection, type, data block, sequential counters, blend filename, date, time, and user-defined slots for high-poly, low-poly, and cage suffixes.
Version 2.1.8 removes the Sort by Selection feature for stability reasons, fixes Grease Pencil v3 compatibility for Blender 4.3+, and restores F-curve handling for Blender 4.2–4.x. Built for large scenes, it uses O(1) lookups so scenes with 500+ objects rename significantly faster with recent updates. The addon is listed as free.