Image Resize
Resize images with high-quality algorithms powered by Pica. Maintain aspect ratio, choose custom dimensions, or use preset sizes for social media and web.
or drop images here or paste
Resize images with high-quality algorithms powered by Pica. Maintain aspect ratio, choose custom dimensions, or use preset sizes for social media and web.
or drop images here or paste
Image Resize is a high-quality online tool that resizes photos and images instantly using advanced algorithms. Powered by the Pica library, it delivers professional-grade image scaling with Lanczos, Hamming, or Box filters. Resize JPG, PNG, and WebP images while preserving sharpness and detail better than standard browser resizing.
Upload your photo to start resizing immediately. Enter custom width and height dimensions, or click quick presets for Instagram (1080×1080), Facebook (1200×630), Full HD (1920×1080), or other popular sizes. Lock aspect ratio to prevent distortion when scaling down large photos or enlarging small images. Choose the Lanczos algorithm for maximum quality when creating thumbnails, web graphics, or print-ready resized photos.
Lanczos provides the highest quality for photo resizing, ideal for professional photography, product images, and detailed graphics. Hamming offers balanced performance and quality for general web use and social media posts. Box algorithm processes fastest for batch resizing or when speed matters more than premium sharpness. All three maintain better edge definition and color accuracy than basic image resize tools.
Resize large photos for faster website loading and improved SEO performance. Scale down high-resolution camera images (4000×3000) to web-friendly dimensions (1920×1080 or 1280×720). Create properly sized social media images for Instagram posts, Facebook covers, Twitter headers, or LinkedIn banners. Reduce image dimensions before email attachments. Upscale small logos to larger poster sizes while maintaining quality with Lanczos filtering.
Resize images up to 8192×8192 pixels for large-format printing, banners, and professional design work. Export as PNG to maintain transparency and lossless quality for logos and graphics. Choose JPEG with adjustable quality (10-100%) to balance file size and image clarity for web optimization. WebP format reduces file size by 25-35% compared to JPEG while preserving visual quality - perfect for modern websites and mobile apps.