Modifier les métadonnées

Upload a JPEG, PNG, or PDF, edit metadata fields, and download the updated file.

Edit or delete JPEG, PNG, and PDF metadata fields online.

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Edit Metadata

Glissez-déposez votre fichier ici.

Les résultats apparaîtront ici

Choose a file to see the result.

Étape suivante suggérée

After editing a file, the next step is usually to review the result and compare it with the earlier version.

Next: check the updated file

Voir les métadonnées

Review the saved file and make sure the new values were written correctly.

Next: remove extra metadata

Suppression de métadonnées

If the file still contains fields you do not want, make a cleaned copy.

Next: review photo tags

Visionneuse EXIF

Open the EXIF viewer for a photo-focused check of the updated image.

Ce que vérifie cet outil

Utilisez cette page lorsque vous devez corriger quelques champs de métadonnées au lieu de tout supprimer. Elle est conçue pour des modifications ciblées comme l’auteur, la description, le copyright, le titre et les champs d’information de document qui peuvent être réécrits en ligne en toute sécurité.

It reads editable fields and writes the updated values into a new file.
Leaving an editable field blank deletes that field from the exported copy.
The form shows discovered metadata fields. Fields that are unsafe to rewrite can still be marked for deletion when the exporter can remove them.
Pour la confidentialité, vous pouvez supprimer les champs que vous ne voulez pas conserver tout en gardant des informations utiles comme le copyright ou des libellés descriptifs.
If you upload a file that cannot be edited here, the page shows that clearly.

For many common files, the file stays on your device while the tool runs. No account is required.

Comment l’utiliser

1Upload a JPEG, PNG, or PDF file
2Edit safe fields or delete discovered fields you do not want to keep
3Download the new file and open it again to verify the result

Ce que montrent les résultats

Editable fields can be changed in the exported copy.
Delete-only fields are real discovered metadata fields that should not be rewritten directly.
When export succeeds, the updated file was created on your device.

Key terms

EXIF

EXIF is a metadata standard commonly used in photos. It can include camera details, timestamps, orientation, and GPS data.

IPTC

IPTC metadata is often used for captions, credits, keywords, and editorial information in image files.

XMP

XMP is a flexible metadata format used by many apps to store descriptive, rights, and file history information.

Nettoyage des métadonnées

Le nettoyage des métadonnées est le processus de suppression ou de désinfection des données cachées dans les fichiers avant de les partager.

Questions fréquentes

Which fields can I edit right now?

JPEG support shows discovered EXIF fields, with unsafe fields marked delete-only. PNG support covers text metadata chunks found in the file. PDF support covers document-info fields found in the PDF.

Can I edit every metadata field in a file?

No. Binary, structural, calculated, and unsafe fields are kept out of the editor so the exported file is less likely to break.

Quels formats de fichier cet outil accepte-t-il ?

Modifier les métadonnées fonctionne avec : Discovered JPEG EXIF fields, PNG text metadata found in the file, PDF document-info fields found in the file et TIFF, JPEG XL, WebP, HEIC, and RAW files for inspection.

À quoi sert cet outil ?

À utiliser pour : Add or fix copyright information before publication, Set a cleaner image or PDF description for archive work et Review file metadata before switching to another tool.