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Trouvez les outils, guides, formats de fichiers et définitions de métadonnées au même endroit.

Outil

Voir les métadonnées

Open a file and check its metadata, file details, and sensitive fields in one place.

Outil

Suppression de métadonnées

Remove metadata from images and PDF document-info fields, then download a cleaned copy.

Outil

Modifier les métadonnées

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

Outil

Analyseur PDF

Check PDF properties, page count, timestamps, and producer fields.

Outil

Inspecter les flux vidéo

Inspect video file details, playback metadata, and the stream information that can be read clearly online.

Outil

Inspecteur d’éléments PDF

Check whether a PDF looks text-based or image-heavy before planning cleanup.

Outil

Comparer des images

Compare two images side by side and see what changed in the file details and metadata.

Outil

Comparer des vidéos en ligne

Compare two videos by file size, dimensions, duration, and other visible media details.

Outil

Comparer des PDF

Compare two PDFs by page count, document properties, and text-related signals.

Outil

Visionneuse EXIF

Read EXIF photo metadata such as camera details, timestamps, and GPS fields.

Outil

Vérificateur DPI d’image

Check image dimensions and print-related resolution fields such as DPI.

Outil

Vérificateur GPS photo

Check whether a photo still contains GPS coordinates or other location metadata.

Outil

Vérificateur de type MIME

Check the MIME type reported for a file and compare it with the extension and file header.

Outil

Vérificateur de signature de fichier

Inspect the first bytes of a file and match them against common file signatures.

Outil

Visionneuse de métadonnées de document

Inspect document properties for PDFs, Office files, and OpenDocument files.

Outil

Visionneuse de métadonnées vidéo

Inspect video file details such as dimensions, duration, and format clues.

Outil

Visionneuse de métadonnées audio

Inspect audio file details such as duration, tags, size, and format clues.

Outil

Visionneuse de métadonnées ebook

Inspect ebook file details and EPUB metadata such as title, creator, language, and package info.

Catégorie

Voir les métadonnées

Open these tools when you want to inspect a file before you share it, publish it, or send it on.

Catégorie

Modifier les métadonnées

Start here to clean a file, fix metadata fields, or prepare a share-ready copy.

Catégorie

Extraire des données

Use these tools to inspect PDF structure, stream details, and other extracted file signals.

Catégorie

Comparer des fichiers

Use these tools to compare two files and spot differences in metadata and file properties before you send or replace them.

Guide

Comment consulter les métadonnées en ligne

The safest way to check metadata online is to inspect the exact file you plan to share, look at the sensitive fields first, and then decide whether you need to keep it, clean it, edit it, or compare it.

Guide

Que sont les métadonnées ?

Metadata is the extra information stored with a file. It can be useful, but it can also reveal details you did not mean to share.

Guide

Qu’est-ce que les données EXIF ?

EXIF data is a common group of photo metadata. It often includes camera details, timestamps, orientation, and sometimes location information.

Guide

Comment supprimer les données de localisation d’une photo

The safest way to remove photo location data is to inspect the exact image you plan to share, create a cleaned copy, and then check that new file again before sending it.

Guide

Comment modifier les métadonnées en ligne

Online metadata editing works best when you change a small number of useful fields, export a new copy, and check that file again before you rely on it.

Guide

Comment vérifier les métadonnées d’un document

For a quick document metadata check, start with title, author, producer, creator, timestamps, and page count, then decide whether the file is ready to share.

Guide

Comment utiliser un analyseur PDF en ligne

A PDF parser is most useful when you need quick answers about who created the file, how many pages it has, and whether it behaves like a text PDF or a scanned one.

Guide

Qu’est-ce qu’une signature de fichier ?

A file signature is a recognizable byte pattern near the start of a file. It helps identify the underlying format even when the file name is misleading.

Guide

Qu’est-ce qu’un type MIME ?

A MIME type is a label such as image/jpeg or application/pdf that tells software what kind of file content it is handling.

Guide

Comment comparer deux PDF

A practical PDF comparison starts with the simplest signals: page count, title, author, producer, timestamps, and whether both files behave the same way when text is extracted.

Guide

Comment comparer les métadonnées d’images

The most useful image metadata comparison starts with GPS, timestamps, software, dimensions, orientation, and camera fields before you dig into deeper tag differences.

Guide

Comment lire les métadonnées vidéo

For most online video checks, the useful fields are file size, dimensions, duration, playback behavior, and other basic format clues that help you spot the wrong file quickly.

Guide

Comment inspecter les flux vidéo en ligne

An online stream inspector is best used for quick confirmation of file size, duration, dimensions, playback behavior, and other visible media details before you move on to a deeper review.

Guide

Comment vérifier les éléments d’un PDF avant nettoyage

Before cleaning a PDF, it helps to know whether the file behaves like a text document, an image-heavy scan, or something in between.

Guide

Comment comparer deux vidéos en ligne

A good online video comparison starts with the basics: do the files match in duration, size, visible dimensions, and general playback behavior?

Guide

Comment supprimer les métadonnées des fichiers

Metadata removal is safest when you identify the file type first, inspect the original file, remove metadata where support is solid, and then check the exported copy again.

Définition

EXIF

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

Définition

IPTC

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

Définition

XMP

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

Définition

GPS metadata

GPS metadata stores location-related information such as latitude, longitude, and sometimes altitude.

Définition

MIME type

A MIME type is a label that describes the kind of content in a file, such as image/jpeg or application/pdf.

Définition

File signature

A file signature is a recognizable byte pattern near the start of a file.

Définition

DPI

DPI describes print density metadata, while pixel dimensions describe the actual amount of image data.

Définition

Document info

Document info usually refers to metadata fields such as title, author, subject, creator, producer, and timestamps.

Définition

Stream metadata

Stream metadata describes technical information about the audio and video streams inside a media file.

Définition

Page count

Page count is one of the fastest structural checks for PDF comparison and document review.

Format

Photo JPEG

EXIF, IPTC, XMP, GPS, dimensions, signature. Strongest image format for metadata cleanup and editing.

Format

Image PNG

Dimensions, signature, text metadata chunks. Useful for title, author, description, copyright, software, and comment fields.

Format

WebP, GIF, BMP, AVIF, HEIC, HEIF

Dimensions and readable metadata. Browser support varies, especially for HEIC and HEIF.

Format

Image SVG

Title, description, viewBox, ID, version, dimensions. SVG can contain scripts or external references; treat unknown SVG files carefully.

Format

Document PDF

Document info, page count, text sample, page signals. Asset removal is inspection/planning first; full redaction is not handled in-browser.

Format

Fichiers Office et OpenDocument

Package overview, document properties, app properties, custom properties. Cleanup is safer in the original office app because comments, revisions, and embedded objects need format-specific handling.

Format

Anciens fichiers Office

Basic identification and file-level clues. Older binary Office formats need a heavier parser for deep metadata extraction.

Format

MP4, MOV, M4A

Container brands, duration, tracks, codec clues, common media tags. Common title, artist, album, comment, copyright, and encoded-by tags can be shown when present.

Format

WebM, MKV, OGG, OGV, Opus

Container details, tracks, duration, Vorbis/Opus comments where present. Support focuses on metadata inspection, not stream extraction.

Format

MP3, WAV, FLAC

Duration, format clues, ID3, RIFF INFO, FLAC/Vorbis comments. Tag coverage varies by encoder and tag version.

Format

Livre EPUB

Title, creator, language, identifier, package, cover, manifest signals. Other ebook formats fall back to basic file checks.

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