Image Format Converter
Convert JPG, PNG, and WebP images locally in your browser with quality and transparency controls.
Collez du texte ou choisissez des fichiers quand vous êtes prêt. TOOLGRID mesure l'usage de l'outil, pas le contenu saisi.
- Sans envoi
- Sans compte
- Vérifier avant copie
Ce que fait cet outil
Free browser-local PNG, JPG, and WebP image converter. Convert one or multiple images, preserve transparency where supported, choose JPEG/WebP quality, and download each result without uploading files.
Image Format Converter turns JPG/JPEG, PNG, and WebP files into the format you need using browser Canvas. Pick images, choose PNG, JPEG, or WebP output, then download the converted files from your device.
Use it when a CMS, email tool, documentation site, or design handoff requires a specific image format. PNG keeps transparency, JPEG creates smaller photo-friendly files with a chosen background color, and WebP is usually best for modern web delivery.
Ouvrez un outil voisin dans le navigateur pour valider, convertir ou réutiliser le résultat.
Pourquoi utiliser cet outil
01Free browser-local PNG, JPG, and WebP image converter. Convert one or multiple images, preserve transparency where supported, choose JPEG/WebP quality, and download each result without uploading files.
Image Format Converter turns JPG/JPEG, PNG, and WebP files into the format you need using browser Canvas. Pick images, choose PNG, JPEG, or WebP output, then download the converted files from your device.
Use it when a CMS, email tool, documentation site, or design handoff requires a specific image format. PNG keeps transparency, JPEG creates smaller photo-friendly files with a chosen background color, and WebP is usually best for modern web delivery.
No image is uploaded. Files are decoded in the current browser tab, re-encoded in memory, and downloaded locally. The site does not receive file names, file contents, dimensions, or image data.
For smaller final files, use Image Optimizer. For metadata cleanup before sharing a photo, use EXIF Cleaner.
Comment l'utiliser
02Vérifications rapides avant de copier
03Confirmez que le format de saisie est celui attendu.
Vérifiez le résultat avant de l'utiliser dans un document, une URL, une config ou un message.
Copiez uniquement le résultat dont vous avez besoin.
Cas d'utilisation
Turn WebP assets into PNG or JPEG when a CMS, email editor, or document workflow does not accept WebP uploads.
Convert supported images to PNG when transparency must be preserved for icons, interface screenshots, overlays, or documentation.
Convert PNG or JPEG source images to WebP before publishing, then use Image Optimizer if you need additional resizing.
Conseils et astuces
- 01JPEG to PNG will not restore quality
Converting a lossy JPEG to PNG preserves the current pixels, but it cannot recover detail removed by the original JPEG compression.
- 02Set a background before JPEG export
JPEG cannot store transparency. Transparent PNG or WebP pixels are flattened onto the selected background color before export.
- 03Treat animated images as still frames
Browser Canvas export captures a still frame. It is useful for static conversion, not for preserving animated WebP, GIF, AVIF, or APNG sequences.
FAQ
04Are my images uploaded?
No. Conversion happens in the current browser tab with Canvas. The file is never sent to a server.
Which formats can I export?
PNG, JPEG, and WebP. The tool verifies that the browser actually encoded the requested format instead of silently falling back.
Can I convert AVIF?
Some browsers can decode AVIF input through their image stack. AVIF output is not promised in this version.
What happens to EXIF metadata?
Canvas re-encoding usually removes metadata. Use EXIF Cleaner when metadata inspection and removal is your main goal.