Filigrane pour PDF

Add a diagonal text watermark to all PDF pages

100 % gratuit. Fonctionne entièrement dans votre navigateur : vos fichiers et données ne quittent jamais votre appareil et rien n'est envoyé à un serveur.

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PDF files only · Max 100 MB

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À propos de cet outil

Watermarking stamps a diagonal, semi-transparent text overlay - like "CONFIDENTIAL," "DRAFT," or your company name - across every page of a PDF. It's a quick way to mark draft documents, protect shared copies from being passed off as final, or brand documents before distribution.

Flux de travail

Assembler et finaliser un PDF à envoyer

Combinez, ordonnez, numérotez, puis verrouillez-le. Protéger en premier bloquerait toute étape suivante.

  1. 1FusionnerCombinez les fichiers séparés en un seul.Ouvrir
  2. 2Réordonner les pagesMettez tout dans l'ordre de lecture.Ouvrir
  3. 3Ajouter la numérotationRend un document long consultable par référence.Ouvrir
  4. 4FiligraneMarquez-le comme brouillon ou confidentiel.Vous êtes ici
  5. 5Protéger par mot de passeFaites-le en dernier - cela verrouille toute modification ultérieure.Ouvrir

Comment utiliser cet outil

  1. Upload documentSelect the PDF you want to mark as draft/confidential/branded copy.
  2. Enter watermark textUse clear labels like `DRAFT`, `CONFIDENTIAL`, or organization name.
  3. Adjust style and opacityTune size, angle, and transparency for visibility without blocking readability.
  4. Apply to pages and exportStamp watermark and download protected distribution copy.

Pourquoi l’utiliser

  • Clearly marks document status and ownership.
  • Discourages misuse of drafts as final copies.
  • Supports internal review and secure sharing workflows.
  • Simple way to brand distributed PDFs at scale.

Usages courants

  • Marking legal/finance drafts before approval.
  • Branding proposal documents sent to clients.
  • Labeling confidential internal policy files.
  • Tagging sample-only documents for public viewing.

Conseils pour de meilleurs résultats

  • Use strong but readable diagonal placement across the page center.
  • Keep opacity moderate so text remains easily readable beneath.
  • Store clean original before watermarking for future reuse.
  • Use different watermark labels by stage (draft/review/final).

Erreurs à éviter

  • Applying opaque watermarks that block key document text.
  • Using generic watermark text that does not communicate purpose.
  • Losing original non-watermarked source file.
  • Assuming watermark alone prevents determined unauthorized reuse.

Questions fréquentes

Yes - enter any text you want, such as "DRAFT," "CONFIDENTIAL," or a company name.

The watermark is rendered semi-transparent and diagonal specifically so the underlying page content stays fully readable underneath it.

The watermark becomes part of the page content once applied - keep your original, unwatermarked file if you might need a clean copy later.

Yes. Watermark is free for normal use with no account required, and ToolBox does not add a watermark to your result.

Most tools in this category run in your browser so the file stays on your device. If a tool needs a temporary server job, files are handled for that job only and are not kept as a lasting archive.

No install needed. Open Watermark in your browser, add your file or paste your input, then download or copy the result.

Yes on modern mobile browsers. For large files, a desktop browser is usually faster and more reliable.

Try a different quality or format setting, use a smaller input, or open a related tool (for example compress before convert). Keep a copy of the original file before replacing it.

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