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Superposer des PDF (tampon / papier à en-tête)

Apposez un PDF au-dessus ou en dessous d'un autre — papier à en-tête, page filigrane ou modèle de formulaire sur chaque page.

Apposez un PDF au-dessus ou en dessous d'un autre — papier à en-tête, page filigrane ou modèle de formulaire sur chaque page.

How to Use It

  1. Load a base PDF and an overlay PDF and wait for the local preview to load.
  2. Adjust the settings — Adjust the available settings and run the tool locally in your browser.
  3. Download the result after the tool renders on your device.

Why People Use Superposer des PDF (tampon / papier à en-tête)

Formats and Output

When Superposer des PDF (tampon / papier à en-tête) Is Useful

Apposez un PDF au-dessus ou en dessous d'un autre — papier à en-tête, page filigrane ou modèle de formulaire sur chaque page. Put company letterhead behind a plain contract, stamp a DRAFT or CONFIDENTIAL page over a report, or lay a filled document onto a blank form template. Load a base PDF and an overlay PDF, pick over- or under-content placement, opacity, fit or actual size, and a page range — a live preview shows exactly how base page 1 and overlay page 1 composite before you download.

How Superposer des PDF (tampon / papier à en-tête) Works

When Overlay PDF (Stamp / Letterhead) Is Useful Stamp one PDF over or under another — letterhead, watermark page, or form template on every page. Put company letterhead behind a plain contract, stamp a DRAFT or CONFIDENTIAL page over a report, or lay a filled document onto a blank form template. Load a base PDF and an overlay PDF, pick over- or under-content placement, opacity, fit or actual size, and a page range — a live preview shows exactly how base page 1 and overlay page 1 composite before you download. How Overlay PDF (Stamp / Letterhead) Works Overlay PDF (Stamp / Letterhead) is designed for PDF page organization, page extraction, document conversion, PDF generation, and browser-side file preparation tasks. You upload the source file, adjust the available controls, run the workflow locally, and export a result that is easier to publish, compare, review, or reuse. When to Choose Overlay PDF (Stamp / Letterhead) Overlay PDF (Stamp / Letterhead) is useful when you need a fast result, want to review the output before downloading, and prefer to keep the file on your own device instead of uploading it to a remote service. Common Use Cases splitting large PDFs into smaller shareable files extracting, removing, reordering, or rotating pages without desktop PDF software converting working files into shareable PDF documents combining or exporting documents for clients and teams keeping private files on device during conversion Search Intent and Real-World Value People typically search for Overlay PDF (Stamp / Letterhead) online, overlay pdf (stamp / letterhead) free, browser-based overlay pdf (stamp / letterhead), and private pdf workflow. Strong pages for this workflow should explain the problem clearly, show the output style, describe where the tool fits in a real editing or analysis process, and confirm that processing stays private in the browser.

When to Choose Superposer des PDF (tampon / papier à en-tête)

Superposer des PDF (tampon / papier à en-tête) is useful when you need a fast result, want to review the output before downloading, and prefer to keep the file on your own device instead of uploading it to a remote service.

Common Use Cases

Search Intent and Real-World Value

People typically search for Superposer des PDF (tampon / papier à en-tête) online, overlay pdf free, browser-based overlay pdf, and private browser-based PDF workflow. Strong pages for this workflow should explain the problem clearly, show the output style, describe where the tool fits in a real editing or analysis process, and confirm that processing stays private in the browser.

Frequently Asked Questions

What can I use as the overlay?

Any PDF: a letterhead, a one-page watermark or DRAFT stamp, a certificate frame, or a form template. The overlay is embedded as vectors, so its text and graphics stay sharp — nothing is rasterized.

What is the difference between over and under content?

Over draws the overlay on top of the base page — right for stamps and watermarks. Under places it behind the page's text, like printing on letterhead. Under mode rebuilds each stamped page, so links and form fields on those specific pages are removed; pages outside the range keep everything.

Can I use a multi-page overlay?

Yes. Choose Page 1 on every page to repeat the overlay's first page across the whole range, or In sequence to stamp overlay page 1 on the first selected page, page 2 on the second, and so on — stamping stops when the overlay runs out of pages.

Are my PDFs uploaded anywhere?

No. Both files are processed entirely in your browser with pdf.js and pdf-lib. Neither the base nor the overlay PDF ever leaves your device.

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