Image Resizer Online
Resize images by width and height in pixels or percentages. Lock aspect ratio, choose social media presets, and export to JPG/PNG/WebP.
How to Use Image Resizer
Upload Image
Drop your picture to automatically detect original width and height.
Set New Dimensions
Enter desired width/height, toggle aspect ratio lock, or pick a preset.
Download Resized File
Select output format and click "Download Resized Image".
Key Features & Benefits
- Custom pixel dimensions (Width × Height) with optional Aspect Ratio Lock
- One-click Social Media Presets: Instagram Square (1080×1080), Story (1080×1920), YouTube Thumbnail (1280×720), Facebook Post (1200×630)
- Percentage scale shortcuts: 75%, 50%, 25% of original size
- Selectable output formats: JPG, PNG, or WebP with quality control
- Live dimension preview showing before and after pixel count
Supported Formats & Privacy
- JPG, PNG, WebP, GIF → JPG, PNG, WebP
Files are processed in sandboxed client memory. No registration or software installation needed.
Frequently Asked Questions about Image Resizer
Everything you need to know about using this tool safely and effectively.
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