Resize photos by exact pixel dimensions or percentage scaling with lock aspect ratio protection and high-quality Lanczos/Bicubic resampling.
Drag and drop your file here, paste from clipboard (Ctrl+V), or click browse.
Supports JPG, PNG, WebP, SVG, AVIF, HEIC, GIF, BMP, TIFF, ICO.
Follow 3 easy steps to process your image online.
Drag and drop your picture directly into the workspace above or click browse to upload from your device (up to 50MB).
Set your desired dimensions, parameters, or visual effects with instant real-time canvas preview.
Review the output rendering directly on the canvas to ensure crisp, pixel-perfect results.
Click process to transform your image with client-side acceleration and download your file instantly.
Your photos are processed directly inside your web browser. Nothing is ever uploaded to any cloud server or database, keeping your images strictly confidential.
Powered by modern HTML5 Canvas, WebGL, and WebAssembly for instantaneous transformations without queueing or server rendering delays.
Works smoothly across all modern web browsers on iPhone Safari, Android Chrome, Mac, Windows, and Linux computers.
Click any question below for detailed information about Image Resizer
Image Resizer is a free, web-based utility designed to resize images to any width, height or percentage. Powered by modern browser technologies including HTML5 Canvas and WebAssembly, it processes your files directly on your local device without sending images to any external server. This guarantees instant results, maximum data privacy, and lossless output quality.
Yes, completely. Unlike traditional cloud converters, Image Resizer does not upload, store, or log your pictures on remote servers. All image rendering and processing happens entirely inside your browser sandbox. Once you close or reload the page, your images are cleared from browser memory with zero residual footprint.
You have complete control over image dimensions and output quality. Image Resizer applies high-quality anti-aliasing and subpixel interpolation during transformations, ensuring smooth edges, sharp details, and crisp output whether resizing, rotating, or styling.
Image Resizer supports uploads up to 50MB per file and accepts JPG, PNG, WebP, SVG, AVIF, HEIC, GIF, BMP, TIFF, and ICO. Processing is optimized for lightning-fast speeds on both mobile devices and desktop computers.