Image Resizer
Resize images by exact pixels, percentage, or a popular preset. Lock the aspect ratio to avoid distortion, then download the result — all processing happens locally in your browser.
How to use
- 1
Upload an image
Drag and drop or browse for a JPG, PNG or WebP file.
- 2
Choose a resize mode
Use pixels for exact dimensions, percentage to scale up or down, or a preset like 1920×1080.
- 3
Lock aspect ratio (optional)
When resizing by pixels, keep the lock on to prevent stretching. Adjust either field and the other updates automatically.
- 4
Resize and download
Click resize to render the new dimensions on a canvas, preview the result, then download it.
Common use cases
- Shrink a 4K photo to 1920×1080 for a website hero image.
- Make a square 500×500 thumbnail for a product grid.
- Reduce image dimensions by 50% for faster email attachments.
- Generate a 64×64 favicon-sized version of a logo.
Limitations
- Upscaling small images beyond 2–3× will produce blurry results — Canvas uses bilinear smoothing.
- Animated GIF/WebP frames are not supported; only the first frame is resized.
- The output is re-encoded as JPG or PNG. Repeatedly re-encoding JPGs degrades quality.
Frequently asked questions
Related tools
View allImage Compressor
Compress JPG, PNG and WebP images locally in your browser.
Crop Image
Crop images to a custom region or aspect ratio.
Social Media Image Resizer
Resize images for Facebook, Twitter, Instagram, LinkedIn and more.
Favicon Generator
Generate favicons from text, emoji or an uploaded image.