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PDF Watermark

Apply the same text watermark to selected PDF pages with a placement preview.

Apply the same text watermark to selected PDF pages with a placement preview.

    Options

    One unencrypted PDF up to 50 MiB and 300 pages. Reject damaged documents, signatures and interactive forms; export an unsigned, flattened copy first. The original stays unchanged. Check the output in a PDF viewer. Text up to 120 code units. Latin and supported bundled CJK glyphs only; reject unavailable glyphs instead of substituting. A visible watermark is not encryption or redaction.

    How to use

    PDF Watermark

    Apply the same text watermark to selected PDF pages with a placement preview.

    Step by step

    1. Choose a supported input or load the example, then review the original.
    2. Apply the same text watermark to selected PDF pages with a placement preview. 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
    OptionsApply the same text watermark to selected PDF pages with a placement preview. Start with the displayed settings, change only the options needed for your output and compare the result with your source.
    LimitsOne unencrypted PDF up to 50 MiB and 300 pages. Reject damaged documents, signatures and interactive forms; export an unsigned, flattened copy first. The original stays unchanged. Check the output in a PDF viewer. Text up to 120 code units. Latin and supported bundled CJK glyphs only; reject unavailable glyphs instead of substituting. A visible watermark is not encryption or redaction.

    Example and expected result

    A 3-page PDF with range 1-3 receives one DRAFT mark on each page. Page count and original page geometry remain 3 and unchanged.

    If it is not working

    • This watermark includes an unsupported glyph. Choose supported text; the original PDF is kept.

    Formats and limits

    One unencrypted PDF up to 50 MiB and 300 pages. Reject damaged documents, signatures and interactive forms; export an unsigned, flattened copy first. The original stays unchanged. Check the output in a PDF viewer. Text up to 120 code units. Latin and supported bundled CJK glyphs only; reject unavailable glyphs instead of substituting. A visible watermark is not encryption or redaction.

    FAQ

    What does this tool do?

    Apply the same text watermark to selected PDF pages with a placement preview.

    Which setting should I choose?

    Apply the same text watermark to selected PDF pages with a placement preview. Start with the displayed settings, change only the options needed for your output and compare the result with your source.

    What are the limits?

    One unencrypted PDF up to 50 MiB and 300 pages. Reject damaged documents, signatures and interactive forms; export an unsigned, flattened copy first. The original stays unchanged. Check the output in a PDF viewer. Text up to 120 code units. Latin and supported bundled CJK glyphs only; reject unavailable glyphs instead of substituting. A visible watermark is not encryption or redaction.

    Why did processing fail?

    This watermark includes an unsupported glyph. Choose supported text; the original PDF is kept.

    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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