Batch File Renamer

Features of the Batch File Renamer

The "Batch File Renamer" is a free web app that can instantly rename multiple files loaded via drag and drop according to specified rules. No software installation or registration is required.

Feature List and Use Cases

• Replace: Batch replace specific characters in file names with different characters.
• Add Prefix/Suffix: Add a fixed string to the beginning or end of all selected files at once.
• Sequential Numbering: Automatically assign sequential numbers like "001", "002" with configurable digits and increments.
• Random String: Add random alphanumeric characters to prevent unintended name conflicts.
• Date Insertion: Insert today's date in formats like "YYYYMMDD". Perfect for organizing meeting notes or invoices.
• Trim Spaces: Remove full-width and half-width spaces from file names to prevent issues during web uploads.
• Case Conversion: Unify uppercase/lowercase or convert to camelCase, snake_case, etc.
• Character Deletion: Delete a specified number of characters from the beginning or a specified position.
• Extension Change: Batch convert extensions only, such as standardizing ".jpeg" to ".jpg".
• Regex: Perform advanced search and replace using pattern matching (for advanced users).

Safe Local Processing

This tool performs all processing within your web browser (locally), so your files are never sent to or stored on external servers. Designed with privacy in mind for general use.