Redimensionnez les images.
Aucun serveur requis.

Oui. Tout le traitement se fait localement dans votre navigateur. Nous ne téléchargeons jamais vos images sur un serveur.

Oui, Image Resize est entièrement gratuit, sans frais cachés ni limites.

Oui, une fois la page chargée, vous pouvez redimensionner des images sans connexion internet.

To reduce the actual size of a photo, use our image size reducer: upload your photo, adjust the width and height dimensions in the "Dimensions" tab, or use the "Percentage" option to scale it down proportionally. You can also lower the Quality slider to reduce file size further. All processing happens locally in your browser so your original photo is never uploaded anywhere.

To reduce JPG size, upload your JPG image to our tool and adjust the Quality slider downward from 100% — even a small reduction to 80-90% can dramatically shrink file size with minimal visible quality loss. You can also resize the dimensions or use the "Desired File Size" option to target a specific KB limit. For best results, keep the output format as JPEG.

To reduce the MB size of an image, upload it to our online image size reducer and try one or more of these methods: (1) Lower the Quality slider — reducing quality from 100% to 70% can cut file size by over 80%. (2) Scale down dimensions using the Dimensions or Percentage tabs. (3) Use the "Desired File Size" option and enter your target in KB (e.g., 500 KB = 0.5 MB). (4) Convert to a more efficient format like WebP, which offers superior compression compared to PNG or JPEG.

To reduce the KB size of a photo, use the "Desired File Size" feature in our image size reducer. Simply enter your target KB limit (e.g., 100 KB, 200 KB) and our algorithm will automatically determine the optimal combination of dimensions, quality, and format to meet that target while preserving maximum visual quality. You can also manually adjust the quality slider or reduce pixel dimensions for finer control.

To resize a picture, upload it to our tool and choose from three methods in the "Method" section: (1) Dimensions — enter exact pixel width and height values. (2) Percentage — scale the image up or down by a percentage (e.g., 50% for half size). (3) Presets — select from pre-configured sizes for social media, web, and marketplace platforms. The lock icon lets you maintain or override the original aspect ratio. Your resized picture is ready to download instantly.

Yes, absolutely. Our image size reducer fully supports JPEG images. Simply upload your JPEG file, choose your desired dimensions or scale percentage, adjust the quality if needed, and keep the output format as JPEG. All JPEG processing is done entirely in your browser using the Canvas API, ensuring your images remain private and secure throughout the process.

Yes, you can resize photos directly on your phone using our mobile-friendly image size reducer. The interface works seamlessly on smartphones and tablets — just tap the upload area to select a photo from your gallery, choose your desired size settings, and download the resized result. Since all processing happens locally in your browser, it works great on mobile devices without requiring any app installation.

To resize an image to your desired dimensions, upload the image and use the "Dimensions" tab to enter exact pixel values for width and height. Enable the aspect ratio lock to maintain proportions, or unlock it to set custom dimensions independently. You can also use the "Percentage" tab to scale the image by a percentage (e.g., 25%, 50%, 150%) for quick proportional resizing without calculating exact pixel values.

To compress an image to an exact file size, use the "Desired File Size" option in our tool. Enter your target in KB (e.g., 100 KB, 500 KB) and our intelligent compression algorithm will automatically adjust quality, dimensions, and format to hit your target precisely. This is ideal for job portals, university applications, and e-commerce platforms that enforce strict file size limits on uploaded images.

To reduce image file size, upload your image to our free online tool and apply these techniques: (1) Lower the Quality slider — even slight reductions can significantly shrink file size. (2) Resize to smaller dimensions using the Dimensions tab. (3) Convert to WebP format, which provides 25-35% better compression than JPEG at the same quality level. (4) Use the "Desired File Size" mode to let the algorithm optimize everything automatically for your target size.

To change the size of an image, upload it to our image size reducer and choose your preferred resizing method. Use the "Dimensions" tab to set exact pixel width and height, the "Percentage" tab to scale by a percentage, or browse the "Presets" tab for commonly used social media and web sizes. You can also change the output format to WebP or JPEG to further optimize file size. All changes are previewed in real-time before you download.

Resizing an image is simple with our free online tool. Click the upload area to select your image, then choose your desired dimensions in pixels or scale by percentage. You can select from presets optimized for social media platforms, e-commerce listings, or web use. Adjust the quality slider to balance file size and visual fidelity, then download your resized image. All processing is 100% client-side, meaning your images stay private on your device.

To resize an image on an iPhone, open Safari or any browser on your device and navigate to our image size reducer website. Tap the upload area to select a photo from your Photos library, choose your desired dimensions or scale, and tap "Process Image" to resize it. The resized photo can be saved directly to your iPhone or shared with apps. No app installation is required — everything works right in your mobile browser with full privacy.