Windows 11 / 10 · Batch file renamingPreview before changing filenames · Safety checklist
Site markBulk Rename UtilityWindows renaming guides

Replace text guides

Clean text, add prefixes, remove symbols and normalize filenames.

Quick answer: Choose literal replacement for a known phrase, Remove for trimming fixed-position characters, and Case for capitalization. Avoid accidental collisions.

Task-by-task guides

Replace text

Change filename case in bulk

The Case panel changes uppercase, lowercase or title-style filename text without changing file data.

Replace text

Convert filenames to lowercase

Choose a lowercase filename transformation for consistent file naming, then preview extension handling separately.

Preview changes before applying them