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Free Image Resizer

Resize images by exact pixels or percentage. Lock aspect ratio to avoid distortion.

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Click to select or drag & drop an image

JPG, PNG, WebP, GIF · No file size limit

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How to Resize Images Online — No Upload Needed

Resizing images is one of the most common tasks in digital media — whether you need a specific size for a website, a social media post, an email attachment or a print document. This tool resizes any JPEG, PNG, WebP or GIF image directly in your browser using the Canvas API. Your files never leave your device.

Enter your target width and height in pixels, choose whether to maintain the aspect ratio (recommended to avoid distortion), and download the result. You can also resize multiple images at once — all files download individually at the correct size.

Common target dimensions: Instagram square 1080x1080px, Twitter banner 1500x500px, YouTube thumbnail 1280x720px, Facebook cover 820x312px. For print at 300 DPI, a 6x4 inch photo needs 1800x1200px. Enable aspect ratio lock to resize proportionally without distortion.

Frequently Asked Questions

Yes, completely free with no account or limits required.
Downscaling (making smaller) generally looks great. Upscaling (making larger) can reduce sharpness as pixels are interpolated.
Yes — free, no account, no file size limits.
No. Resizing runs entirely in your browser.
JPG, PNG, WebP, GIF and BMP. PNG transparency is preserved.