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Invoice Unpaid Stamp Generator

Mark an invoice as still owing when you resend a copy.

Invoice Tools Reviews Free · no sign-up

Drop an invoice PDF to stamp it — or skip this and download the stamp on its own

The result appears here

Quick Tool Overview

The UNPAID stamp generator draws a rubber-stamp style UNPAID mark onto an invoice PDF — every page or just the first — with a date and note beneath it, or produces the stamp on its own as a transparent PNG or SVG, entirely in your browser.

What it does
Marks a resent invoice as still owing
You give it
An invoice PDF, a date and an optional note
You get back
A stamped PDF, or the stamp as PNG or SVG
Best for
Resending an invoice that has been missed
Invoice Tools Free, unlimited use No sign-up Runs in your browser

About the Invoice Unpaid Stamp Generator

An UNPAID stamp on a resent copy changes how it is read. The same invoice sent twice looks like a duplicate; the same invoice stamped UNPAID looks like a debt that has been noticed, which is exactly the impression a gentle second send should give.

This produces the stamp two ways. Drop an existing PDF invoice and the stamp is drawn onto every page — or just the first — at the angle, colour and opacity you set, with an optional date and note underneath such as a payment reference or the reason. Or build the invoice here and the stamp prints across the preview, the PDF and the HTML download.

It also produces the stamp on its own as a transparent PNG or an SVG, in a rubber-stamp style with a double border, for use in any other document. Everything happens in your browser: the PDF is opened and stamped on your machine and is never uploaded.

Key features of the Invoice Unpaid Stamp Generator

Stamps an existing PDF

Drawn into the page, on every page or the first.

Date and note

A reference or reason printed beneath the stamp.

Rubber-stamp style

Double border, angle and opacity, previewed live.

Stamp on its own

Transparent PNG or SVG for any other document.

Never uploaded

The PDF is stamped on your machine.

How to use the Invoice Unpaid Stamp Generator

  1. 1

    Drop the invoice PDF

    Or skip this and use the stamp image on its own.

  2. 2

    Add the date and a note

    When the invoice is still owing, and anything worth recording beside it.

  3. 3

    Set the look

    Colour, angle, size and opacity, previewed live.

  4. 4

    Choose the pages

    Every page, or just the first.

  5. 5

    Download

    The stamped PDF, or the stamp as PNG or SVG.

Frequently asked questions

When the invoice is still owing and a copy of the document is going to somebody else — so the status is visible on the page itself rather than only in your system.

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