Image Resize & Pad

Image padding (also called "fit with padding" or "letterboxing") resizes your image to fit within target dimensions while preserving the full image content. Empty space is filled with a background color of your choice. Cropping, on the other hand, cuts off parts of the image to match the target aspect ratio. Padding ensures nothing is lost — ideal for social media posts where you want to display the entire photo without awkward cuts.

Padding is essential when you need exact pixel dimensions but don't want to lose any image content. Common use cases include: preparing images for social media platforms with strict size requirements, creating uniform product photos for e-commerce, making thumbnails for video platforms, or designing consistent gallery layouts. Padding gives you full control over composition without sacrificing any part of your original image.

You can upload images in JPG, PNG, WebP, GIF, SVG, and BMP formats (max 20MB). For download, you can choose between PNG (lossless, supports transparency), JPEG (smaller file size, adjustable quality), and WebP (modern format with excellent compression). If you need a transparent background for the padding area, select PNG or WebP format.

Yes! Select the checkered color preset (transparent option) in the padding color picker. When using a transparent background, make sure to choose PNG or WebP as the output format, since JPEG does not support transparency. Transparent padding is perfect for creating overlay graphics, watermark-ready images, or assets that will be composited later.

Our preset buttons cover popular platform requirements: Instagram Square 1080×1080px, Instagram Portrait 1080×1350px, Instagram Landscape 1080×566px, Facebook Post 1200×630px, Twitter/X Post 1200×675px, YouTube Thumbnail 1280×720px, Pinterest Pin 1000×1500px, and LinkedIn Post 1200×627px. Simply click any preset to auto-fill the target dimensions.

Our tool uses the browser's native Canvas API for high-quality image processing. When the image is scaled down, quality is generally well-preserved. If the image needs to be scaled up significantly to fit the target dimensions, some softening may occur. You can adjust the JPEG quality slider (10–100%) to balance file size and visual quality. For maximum quality, use PNG format which is lossless.

The 3×3 position grid lets you place your image anywhere within the padded canvas. Center (default) places the image exactly in the middle with equal padding on all sides. Top-Left aligns the image to the top-left corner with all padding on the right and bottom. Each position corresponds to a different visual composition — useful for creating asymmetrical designs or aligning multiple images consistently across a series.

Absolutely safe. All image processing happens entirely in your browser using client-side JavaScript. Your images are never uploaded to any server. The file stays on your device at all times. This also means the tool works offline once the page is loaded — you can process images without an internet connection.

This happens when your original image's aspect ratio is very different from the target dimensions. For example, a wide panorama (16:9) placed into a square (1:1) canvas will have significant padding on the top and bottom. The image is scaled to fit entirely within the target area without cropping, so larger aspect ratio mismatches result in more visible padding. Try choosing target dimensions closer to your original image's proportions, or use the position options to create an intentional design.

Currently, this tool processes one image at a time to give you full control over each output's settings — dimensions, padding color, position, and format. For batch processing, you would need to process images individually. However, you can quickly reuse the same settings across multiple images by keeping the tool open and swapping the uploaded file.