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Batch File Renamer

Preview new filenames and download renamed copies together in a ZIP.

Preview new filenames and download renamed copies together in a ZIP.

    Options

    Up to 100 files and 50 MiB total. Originals are never renamed on disk. Preserve encoded bytes and chosen queue order. Reject unsafe/path names, reserved filenames and case-insensitive collisions; sanitize does not silently overwrite. ZIP overhead can exceed the input size.

    How to use

    Batch File Renamer

    Preview new filenames and download renamed copies together in a ZIP.

    Step by step

    1. Choose a supported input or load the example, then review the original.
    2. Preview new filenames and download renamed copies together in a ZIP. Start with the displayed settings, change only the options needed for your output and compare the result with your source.
    3. Run the task, review the actual result and copy or download a checked copy.

    Choosing the settings

    OptionWhat changes
    OptionsPreview new filenames and download renamed copies together in a ZIP. Start with the displayed settings, change only the options needed for your output and compare the result with your source.
    LimitsUp to 100 files and 50 MiB total. Originals are never renamed on disk. Preserve encoded bytes and chosen queue order. Reject unsafe/path names, reserved filenames and case-insensitive collisions; sanitize does not silently overwrite. ZIP overhead can exceed the input size.

    Example and expected result

    cat.jpg and dog.png with prefix photo-, start 1 and 3 digits become photo-001.jpg and photo-002.png. Extracted file bytes must match each original.

    If it is not working

    • Two output names collide. Change the prefix or numbering before downloading.

    Formats and limits

    Up to 100 files and 50 MiB total. Originals are never renamed on disk. Preserve encoded bytes and chosen queue order. Reject unsafe/path names, reserved filenames and case-insensitive collisions; sanitize does not silently overwrite. ZIP overhead can exceed the input size.

    FAQ

    What does this tool do?

    Preview new filenames and download renamed copies together in a ZIP.

    Which setting should I choose?

    Preview new filenames and download renamed copies together in a ZIP. Start with the displayed settings, change only the options needed for your output and compare the result with your source.

    What are the limits?

    Up to 100 files and 50 MiB total. Originals are never renamed on disk. Preserve encoded bytes and chosen queue order. Reject unsafe/path names, reserved filenames and case-insensitive collisions; sanitize does not silently overwrite. ZIP overhead can exceed the input size.

    Why did processing fail?

    Two output names collide. Change the prefix or numbering before downloading.

    Is my input uploaded or saved?

    No. Processing runs on your device. Inputs and results stay in this page’s memory until you clear it or leave. They are not uploaded, logged or stored by ToolRobin. Copying places the result on your device’s clipboard.

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