Image Resizer
Drop an image, choose a target width, height or percentage, and download the resized file. The aspect ratio can be locked, and nothing is uploaded.
Free Runs locally No signup
Drop an image hereor click to choose a JPG, PNG or WebP file
Images are processed locally and never uploaded.Maximum side length is 12000 px.
How to use it
1
Add an image
Drop a JPG, PNG or WebP file, or click the drop zone to pick one from your device.
2
Choose a size
Resize by width, height, percentage or an exact box, with the aspect ratio locked by default.
3
Download
Preview the result, pick an output format if needed, then download the resized image.
Why use this tool
Four resize modes
Width, height, percentage and an exact box cover everything from thumbnails to full-size exports.
Aspect ratio lock
Locked by default so photos never stretch; unlock only when you need specific dimensions.
Local processing
Images are decoded, resized and encoded in your browser, so nothing is uploaded.
Frequently asked questions
Does resizing reduce quality?
Shrinking an image discards pixels, so the result is softer than the original when zoomed in. Keep the original file for editing and resize only the copy you publish.
Can I make an image larger?
Yes, but upscaling cannot invent detail. The resizer warns you when the target is larger than the source; use a higher-quality original when possible.
Is transparency preserved?
PNG and WebP keep the alpha channel. Choosing JPG flattens transparency onto a white background because the format has no alpha channel.
What happens to EXIF data?
The image is redrawn on a canvas and encoded again, which removes metadata such as camera details and GPS coordinates. The stored orientation is applied first, so photos are not rotated.
Can I resize several images at once?
This version handles one image at a time so the preview and size comparison stay accurate. Batch resizing may come later.
Related tools
Image Tools Image Compressor Compress JPG, PNG and WebP images in your browser. Control quality, resize by width, compare file sizes and download the result without uploading. Image Tools Image Format Converter Convert PNG, JPG and WebP images in your browser. Choose the output format and quality, keep transparency where supported, and download instantly. Image Tools Favicon Generator Generate a complete favicon set from one image: crop the square area, render 16–512 PNGs, an Apple touch icon, a web manifest and an HTML snippet. Developer Tools Base64 Encoder & Decoder Encode text to Base64 or decode Base64 back to text, with full UTF-8 and URL-safe support. Runs locally in your browser — no upload, no signup. Text Tools Case Converter Convert text between UPPER CASE, lower case, Title Case, sentence case, camelCase, PascalCase, snake_case and kebab-case instantly. Color & Design Color Converter Convert colors between HEX, RGB, HSL and HSV, pick from a color wheel, and copy ready-to-use values for CSS and design tools.
Last updated: