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Réparer un PDF

Reconstruire et réparer un PDF endommagé.

Repairing your PDF

This tool attempts to fix corrupted or broken PDFs. It rewrites the internal structure while preserving all content where possible.

Déposez votre fichier PDF ici

ou cliquez pour parcourir - jusqu’à 100 Mo par fichier

Tutoriels pratiques
Preparer un PDF pour archivage long terme (PDF/A)
Bien utiliser cet outil

Bien utiliser cet outil

Repair PDF

Attempt to repair damaged or problematic PDF files to restore usability and compatibility.

Le plus sur consiste a faire un traitement propre puis une verification rapide avant de diffuser le resultat.

Bon choix pour

  • Recover PDFs that fail to open in standard readers.
  • Fix files that break upload validation checks.
  • Stabilize PDFs before conversion and editing.

Workflow type

  1. 1. Upload your file to the Repair PDF tool.
  2. 2. Choose processing options to match your output needs.
  3. 3. Process and download the result when ready.

Verifier avant partage

  • Controlez le debut, le milieu et la fin du document apres traitement.
  • Verifiez texte, tableaux, signatures ou cachets a 100% de zoom.
  • Si le rendu n est pas bon, changez un seul reglage puis relancez.

Outils SentryPDF associés

PDF to PDF/A

Convert standard PDFs to PDF/A for long-term archival and compliance-focused document retention.

Compress PDF

Reduce PDF file size online while preserving readability. Share large PDFs faster by compressing in one step.

Merge PDFs

Combine multiple PDF files into one document online. Reorder input files before merging for a clean final output.

FAQ

What types of PDF damage can this tool fix?

The tool attempts to rebuild the internal PDF structure for files with corrupted cross-reference tables, broken object streams, or invalid syntax. Not all damage types can be recovered.

Is repair guaranteed to work?

No. Repair is best-effort. If the file is severely corrupted or missing critical data, recovery may not be possible. The tool reports whether a valid output could be produced.

Why does my PDF fail to open?

Common causes include incomplete downloads, file system errors, or software bugs that wrote invalid PDF structure. The repair tool addresses structural issues but cannot recover missing content.

Can I repair a PDF and then convert it?

Yes. After downloading the repaired PDF, you can run it through other SentryPDF tools such as Compress, Split, or PDF to PDF/A.

Is the original file kept after repair?

No. Both the uploaded file and the repaired output are automatically deleted within 30 minutes. Download your result before the retention window closes.

Autres tâches PDF

Parcourez d autres outils pour conversion, compression, edition, OCR et securite.

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Guides associés pour cet outil

Ouvrir l'outil: Réparer un PDF

Guides pas a pas

Preparer un PDF pour archivage long terme (PDF/A)Tous les guides

Guides workflow

Réparer un PDF corrompu avant envoiConvertir PDF en PDF/A pour rétention documentaireConvertir un PDF en PDF/A-2b pour archivageTous les guides workflow