Upload Images (Bulk Supported)
Drag and drop multiple images, paste from clipboard (Ctrl+V), or click to select
Supports: JPG, PNG, WebP, GIF • Paste from clipboard: Ctrl+V (Cmd+V)
Resize Mode
Output Format
Privacy First
All image processing happens locally in your browser. Your images are never uploaded to any server.
About Image Resizer
Free Online Image Resizer Tool
Resize images online quickly and easily with our free image resizing tool. Scale photos by percentage, set custom dimensions, or choose from preset sizes for popular platforms. Perfect for optimizing images for websites, social media, email, and more while maintaining quality.
Key Features
📏 Flexible Resize Modes
- Percentage scaling (10% - 200%)
- Custom width and height
- Preset platform sizes
- Aspect ratio lock/unlock
- Real-time preview
🎯 Platform Presets
- HD (1280×720)
- Full HD (1920×1080)
- 2K (2560×1440)
- 4K (3840×2160)
- Instagram (1080×1080)
- Facebook (1200×630)
- Twitter (1200×675)
💾 Output Formats
- PNG - Lossless quality
- JPEG - Adjustable quality (0-100%)
- WebP - Modern compression
- Quality control slider
- File size preview
⚡ Smart Features
- Maintain aspect ratio option
- Batch resize support
- Drag & drop upload
- Clipboard paste (Ctrl+V)
- No quality loss
Why Use Our Image Resizer?
100% Free: Resize unlimited images without watermarks, subscriptions, or hidden costs.
Privacy Protected: All image processing happens in your browser. Your photos never leave your device, ensuring complete privacy and security.
No Installation Required: Works directly in your web browser on any device - desktop, tablet, or mobile.
High Quality: Advanced algorithms maintain image quality while reducing file size. Perfect for web optimization.
Multiple Formats: Export to PNG, JPEG, or WebP with customizable quality settings.
Platform Optimized: Quick presets for Instagram, Facebook, Twitter, YouTube, and standard resolutions.
How to Resize Images Online
- Upload Your Image: Click "Choose Image" to select a photo, drag and drop it, or paste from clipboard with Ctrl+V.
- Choose Resize Mode: Select percentage scaling, custom dimensions, or platform presets.
- Set Dimensions: Adjust the size using sliders or input fields. Toggle aspect ratio lock as needed.
- Preview Result: See the resized image preview with exact dimensions and file size.
- Select Output Format: Choose PNG, JPEG, or WebP and adjust quality if needed.
- Download: Click "Download Resized Image" to save your optimized photo.
Common Image Sizes for Different Platforms
Instagram: Posts 1080×1080, Stories 1080×1920, Reels 1080×1920
Facebook: Posts 1200×630, Cover 820×312, Profile 180×180
Twitter: Posts 1200×675, Header 1500×500, Profile 400×400
LinkedIn: Posts 1200×627, Cover 1584×396, Profile 400×400
YouTube: Thumbnail 1280×720, Channel Art 2560×1440
Website: Hero 1920×1080, Thumbnail 300×300, Blog 1200×630
Perfect For
- Website optimization
- Social media posts
- Email attachments
- Profile pictures
- Blog images
- Thumbnail creation
- Product photography
- Portfolio images
- Print materials
- Presentations
- Mobile apps
- File size reduction
Supported Image Formats
Resize images in all common formats:
- JPEG/JPG - Best for photos, adjustable quality and compression
- PNG - Lossless quality, transparency support, ideal for graphics
- WebP - Modern format with superior compression and quality
- GIF - Animated and static images
- BMP - Uncompressed bitmap images
- SVG - Vector graphics (maintain quality at any size)
Pro Tips for Resizing Images
- Maintain Aspect Ratio: Keep this enabled to prevent image distortion when resizing.
- Downsize Only: For best quality, avoid enlarging images beyond their original size.
- Choose Right Format: Use JPEG for photos, PNG for graphics with transparency, WebP for best compression.
- Optimize Quality: For web use, 80-90% JPEG quality provides great balance between size and quality.
- Batch Process: Resize multiple images at once for efficiency when working with many files.
- Check File Size: Monitor the output file size to ensure it meets your requirements.
- Preview First: Always preview the resized image before downloading to ensure it looks correct.
Image Resizing Best Practices
Web Images: Resize to maximum width of 1920px for hero images, 1200px for content images, and 300-500px for thumbnails.
Social Media: Use platform-specific presets to ensure your images display correctly without cropping.
Email: Keep images under 1MB and resize to appropriate widths (600-800px) for faster loading.
Mobile Optimization: Create responsive images by resizing to multiple sizes for different screen resolutions.
🔒 Your Privacy Matters
All image resizing is performed entirely in your web browser using client-side JavaScript. Your photos are never uploaded to our servers or any third party. This ensures your images remain completely private and secure while providing instant processing with no file size restrictions.
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