Resize
Drop your image here
PNG, JPEG, WebP, AVIF, GIF, BMP, SVG, ICO, TIFFMax 50MB per file
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Lightweight image toolkit
simple, fast, 100% private
SuperPixMia
…
Free · No Upload · 100% Local
Free Image ResizerResize Images Online to Exact Dimensions
Resize images to exact pixel dimensions with built-in presets — OG image 1200×630, Instagram 1080×1080, favicon 32×32 — or custom width and height. Lock the aspect ratio for distortion-free scaling. Free, no upload.
Privacy first — Resizing runs entirely in your browser. Original files stay on your device, so it is safe for documents, designs, and sensitive images.
Other free tools
How to resize an image online
Upload your image
Drop any PNG, JPEG, WebP, or other supported image. Its current dimensions are shown automatically.
Pick a preset or enter custom size
Choose a ready-made preset (OG, Instagram, favicon…) or type your own width and height. Lock the ratio to keep proportions.
Download the resized image
The resized image is generated locally in your browser. Click Download to save it.
Image Resize FAQ
Is the image resizer free?
Yes — free, no ads, no watermark, no account. Everything runs locally in your browser.
Can I set an exact pixel size?
Yes. Type any width and height, or pick a preset like OG image 1200×630, Instagram 1080×1080, or favicon 32×32.
How do I avoid a stretched or squashed image?
Enable the aspect-ratio lock. The tool keeps the original proportions and only lets you scale both dimensions together.
What size should my OG image be?
1200×630 pixels is the recommended Open Graph image size — it renders well on most social platforms including WeChat, Facebook, and Twitter.