Resize Image
To resize an image, drop it into the tool above, enter your target width and height in pixels (or choose a preset like Instagram or YouTube thumbnail), and click Resize. The tool runs entirely in your browser — your images are never uploaded.
Drop .jpg, .jpeg, .png, .webp files here
or click to browse · convert as many as you like
How to use Resize Image
- Drop your images into the box above (JPG, PNG, or WEBP).
- Enter the target width and height in pixels, or choose a preset size.
- Toggle 'Lock aspect ratio' to avoid distortion.
- Click Resize and download your resized images.
Frequently asked questions
Who uses Resize Image?
Real estate agents use it to resize listing photos to MLS specifications before uploading. Amazon and Etsy sellers use it to meet exact marketplace image dimension requirements. Bloggers use it to resize photos to the right width before uploading to WordPress. Small business owners use it to resize staff photos for websites and LinkedIn. Teachers and school administrators use it to resize student event photos for newsletters and school websites. HR departments use it to standardize employee headshots to consistent dimensions.
How do I resize an image without losing quality?
Downscaling (making an image smaller) preserves quality well. Upscaling always reduces sharpness because pixels must be invented. Enable 'Don't upscale' to prevent enlarging small images. For best results, resize to exactly the dimensions you need rather than making the image larger.
How do I resize an image to a specific file size in KB?
For file-size targeting, use the Compress Image tool instead — it lets you enter a target size in KB and automatically finds the right quality level. The resize tool targets pixel dimensions, not file size.
Can I resize multiple images at once?
Yes. Drop in as many images as you like — JPG, PNG, or WEBP. All files are resized to your chosen dimensions. Download them individually or click 'Download all' to get a ZIP file with every resized image.
What are the best image sizes for social media?
Use the preset menu: Instagram Post (1080×1080), Instagram Story (1080×1920), YouTube Thumbnail (1280×720), Facebook Cover (820×312), Twitter/X Header (1500×500), LinkedIn Cover (1584×396). All presets are available in the tool above.
About Resize Image
Resizing images is one of the most common image tasks — whether you're preparing photos for a website, fitting an image to a specific print size, or reducing file size before emailing.
This tool supports three ways to resize: by exact pixel dimensions (width × height), by percentage (e.g. 50% of original), or by preset (common sizes like Instagram post, YouTube thumbnail, passport photo, and more). The aspect ratio lock prevents distortion by automatically adjusting the other dimension.
The "Don't upscale" option is worth enabling if you're unsure of your source image size — it prevents the tool from enlarging small images, which always reduces sharpness.
All resizing happens in your browser using the HTML5 Canvas API. No upload, no server, no privacy risk. Supports JPG, PNG, and WEBP input and output.