All processing stays in this browser session until you download the result.
Drop a PDF here, or click to open a file.
Open PDF
Open one PDF to start signing.
Editing is blocked for this document
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Download result
`saveDocument()` is attempted first for fillable values, then overlays are finalized with `pdf-lib`.
Place `NotoSansKR-Regular.ttf` in apps/pdf-sign/fonts/ if you need Korean export support.