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Image Watermark

Add a text watermark, check its position and download a new image copy.

Paste or choose an input, select options and process it locally. Review the result before copying or downloading.

    Options
    60%

    PNG, JPEG and static WebP; one file up to 20 MB, 16 million pixels and 8192 pixels per side. Text up to 120 code units. Export re-encodes the image and removes metadata; JPEG fills transparency with white. Text watermark only, no logo upload in this version.

    How to use

    What does this tool do?

    Add a visible text watermark to one image and download a newly encoded copy. Compare the original and result; a watermark can be cropped or edited and does not prevent reuse.

    Image Watermark

    Add a visible text watermark to one image and download a newly encoded copy. Compare the original and result; a watermark can be cropped or edited and does not prevent reuse.

    Step by step

    1. Paste or choose an input, select options and process it locally. Review the result before copying or downloading.
    2. Choose a corner, the center or a repeated pattern and adjust opacity. PNG preserves transparency, while JPG fills it with white; all outputs discard source metadata.

    Choosing the settings

    OptionWhat changes
    OptionsChoose a corner, the center or a repeated pattern and adjust opacity. PNG preserves transparency, while JPG fills it with white; all outputs discard source metadata.
    LimitsPNG, JPEG and static WebP; one file up to 20 MB, 16 million pixels and 8192 pixels per side. Text up to 120 code units. Export re-encodes the image and removes metadata; JPEG fills transparency with white. Text watermark only, no logo upload in this version.

    Example and expected result

    A 640 × 400 source stays 640 × 400 after adding © ToolRobin at bottom right. The export byte size is measured after processing, not promised in advance.

    If it is not working

    • Use a static PNG, JPEG or WebP within 20 MB, 16 million pixels and 8192 pixels per side. Keep watermark text within 120 UTF-16 units; choose PNG if WebP export is unavailable.

    Formats and limits

    PNG, JPEG and static WebP; one file up to 20 MB, 16 million pixels and 8192 pixels per side. Text up to 120 code units. Export re-encodes the image and removes metadata; JPEG fills transparency with white. Text watermark only, no logo upload in this version.

    FAQ

    What does this tool do?

    Add a visible text watermark to one image and download a newly encoded copy. Compare the original and result; a watermark can be cropped or edited and does not prevent reuse.

    Which setting should I choose?

    Choose a corner, the center or a repeated pattern and adjust opacity. PNG preserves transparency, while JPG fills it with white; all outputs discard source metadata.

    What are the limits?

    PNG, JPEG and static WebP; one file up to 20 MB, 16 million pixels and 8192 pixels per side. Text up to 120 code units. Export re-encodes the image and removes metadata; JPEG fills transparency with white. Text watermark only, no logo upload in this version.

    Why did processing fail?

    Use a static PNG, JPEG or WebP within 20 MB, 16 million pixels and 8192 pixels per side. Keep watermark text within 120 UTF-16 units; choose PNG if WebP export is unavailable.

    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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