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Resize and scale images with smart aspect ratio control. Supports custom dimensions, percentage scaling, social media presets, and batch resizing while maintaining image quality.
Convert images to Base64 encoded strings for embedding in CSS, HTML, or JavaScript. Multiple output formats available.
Compare two images pixel-by-pixel. Multiple comparison modes: side-by-side, overlay, difference highlighting, onion skin, and slider. Perfect for visual regression testing.
Enlarge images up to 4x their original size using advanced upscaling algorithms with our free Image Upscaler, increasing resolution while preserving details and minimizing artifacts. Perfect for printing, social media enhancement, and reviving low-resolution photos. The tool offers multiple upscaling algorithms (Lanczos for sharpness, Bicubic for balance, Bilinear for speed), real-time preview showing results before export, aspect ratio maintenance, multiple output formats (PNG, JPG, WebP), quality comparison views, batch upscaling capability, and no file size limits. Upscaling adds pixels that were not in the original image using smart interpolation algorithms - this inherently cannot add detail beyond what exists, but modern algorithms minimize softness and artifacts. Lanczos provides sharpest results but may introduce ringing; Bicubic offers good balance; Bilinear is fastest but softest.
Upscale low-resolution images to print-ready sizes while minimizing visible quality loss.
Enlarge social media profile pictures and graphics to higher resolutions for better display on various devices.
Upscale old family photos to larger sizes suitable for framing and printing while preserving nostalgic quality.
Create high-resolution wallpapers from smaller source images for various screen sizes and displays.
Enlarge product images to higher resolutions for better detail visibility in online stores.
Upscale small thumbnail images to usable sizes for galleries, previews, and presentations.
All processing happens directly in your browser. Your files never leave your device and are never uploaded to any server.