Image Tool
Free Image Resizer Online
Resize images by pixels instantly. Change dimensions, maintain aspect ratio, and download in seconds.
Upload Image to Resize
Supports JPG, PNG, WebP, and GIF
Built With Care
“Resizing changes pixel dimensions, not file quality. Downscaling usually looks fine, but upscaling a small image will make it blurry because the browser has to guess at new pixels.”
Resize Images Online Free
Change image dimensions by pixels. Upload a JPG, PNG, WebP, or GIF, set your target width and height, and download the resized file.
No signup neededRuns offlineClient-side processing
How to Use Resize Images Online Free
- 1Upload any image (JPG, PNG, WebP, GIF).
- 2Enter new width and height in pixels.
- 3Toggle the link icon to maintain or unlock aspect ratio.
- 4Use preset sizes for common dimensions.
- 5Click 'Resize Image' and download your result.
Key Features
- Resize by exact pixel dimensions
- Maintain aspect ratio automatically
- Quick presets for social media and web
- High-quality image scaling
- Instant Resize: Preview and adjust output dimensions before downloading.
- No file size limits
Real Ways People Use This
Social Media Prep
Resize a photo to Instagram's 1080x1080 or a YouTube thumbnail's 1280x720 before posting.
Email Attachments
Shrink a large photo so it fits under an email client's attachment size limit.
Important Notes
- Upscaling small images can reduce sharpness because new pixels must be interpolated.
- Disabling aspect ratio can distort logos, faces, and product images if width/height are mismatched.
- Use platform-specific target dimensions to avoid extra automatic recropping after upload.
Quick Checklist
- 1Choose exact destination size and keep aspect ratio locked unless intentional stretch is needed.
- 2Resize and inspect text/edges for clarity at final display size.
- 3Export and do one final check on the target platform layout.