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Add leading zeros to filenames so numbered files sort in the right order.
Batch-rename numbered files by adding leading zeros to filenames. Pick a folder, preview the changes, and fix file order when names like 1, 2, and 10 do not sort the way you want. Features: - Preview renamed filenames before you apply changes - Add zero padding while keeping the original file extension - Use automatic width based on the longest number in the folder - Set a fixed width from 1 to 18 digits when you need a strict format - Apply padding to all number groups, only the leading number group, or only the trailing number group - Undo the last rename in the current folder - Optionally show unchanged files, hidden files, and hidden folders Good for: - turning 1.jpg, 2.jpg, 10.jpg into 001.jpg, 002.jpg, 010.jpg - organizing photos, scans, comics, manga, documents, and audio files as numbered sets - fixing file order in file managers, media players, and older apps that do not use natural numeric sort Notes: - Android limits direct access to some shared-storage folders, so you may need to pick a subfolder - Renaming files can affect other apps or workflows, so always review the preview before you execute