圖片裁切器
FREE按自訂長寬比或精確尺寸裁切和修剪圖片。免費、快速、無品質損失。
什麼是免費Image Cropper Tool？
The Free Image Cropper by Nano Banana is an intuitive online tool for cropping photos to any size or aspect ratio. Whether you need to crop images for Instagram, create perfect squares, or adjust to custom dimensions, our tool makes it easy. Features preset aspect ratios for social media (1:1, 4:5, 16:9), print sizes, and custom cropping. Perfect for photographers, social media managers, bloggers, and anyone who needs to quickly crop and resize images. No software installation, completely free, and works on all devices.
為什麼選擇我們的Image Cropper？
Preset Social Media Sizes
One-click presets for Instagram (1:1, 4:5), Facebook (16:9), YouTube thumbnails, and more.
Custom Dimensions
Enter exact pixel values or use freeform cropping for complete control.
即時預覽
See exactly how your cropped image will look before downloading.
Rotate & Flip Included
Built-in rotation (90°, 180°, 270°) and flip tools. Fix orientation while cropping.
Browser-Based Privacy
All processing in your browser. Photos never uploaded to servers.
零品質損失
Cropping maintains original quality. No compression or artifacts.
如何Crop Images Online
Upload Your Photo
Click to upload or drag and drop your image. Supports PNG, JPG, JPEG, and WebP formats up to 10MB.
Select Crop Area
Choose from preset ratios (Square 1:1, Instagram 4:5, YouTube 16:9) or use custom dimensions. Drag and resize the crop box to frame your image perfectly.
Crop & Download
Click "Crop Image" to apply. Preview the result, then download your perfectly cropped photo. All processing happens instantly in your browser.
Key Features of Our Image Cropper
Preset Aspect Ratios
Quick presets for Instagram (1:1, 4:5), Facebook (16:9), Twitter, LinkedIn, and more. One-click perfect crops for any platform.
Custom Dimensions
Enter exact pixel dimensions or choose free-form cropping. Precise control for professional requirements.
即時預覽
See exactly how your cropped image will look before downloading. Adjust and perfect your crop with live preview.
Rotate & Flip
Rotate images 90°, 180°, or 270°. Flip horizontally or vertically. Perfect for fixing orientation issues.
Multiple Formats
Works with PNG, JPG, JPEG, and WebP. Download in your preferred format with quality control.
100% Private
All cropping happens in your browser. Your photos never touch our servers. Complete privacy guaranteed.
何時使用Image Cropper
社群媒體貼文
Crop photos for Instagram feed (1:1), stories (9:16), Facebook cover (16:9), Twitter header, LinkedIn banner. Meet exact platform requirements.
Profile Pictures
Create perfect square profile photos for social media, forums, and professional networks. Center your face for best results.
Product Photography
Crop product photos to focus on the item. Remove distracting backgrounds. Create consistent image sizes for e-commerce catalogs.
Print Materials
Crop to standard print sizes: 4x6, 5x7, 8x10 inches. Perfect for photo printing, posters, business cards, and marketing materials.
Website Images
Crop blog featured images, hero banners, thumbnails. Maintain consistent dimensions across your website for professional look.
Photography Composition
Improve composition by removing unwanted elements. Apply rule of thirds. Reframe shots for better visual impact.
Cropping Images進階技巧
Use Rule of Thirds
Position key subjects at grid intersections for more compelling compositions.
Leave Breathing Room
Don't crop too tight. Leave some space around subjects for visual comfort.
Consider Platform Requirements
Use platform-specific presets to avoid unexpected cropping on social media.
Crop for the Final Use
Website headers need different crops than Instagram. Plan for your output medium.
先儲存原始檔
Always keep uncropped originals. You can't un-crop a cropped image.
Image Cropper vs 替代方案
See how our free cropper compares to other options.
| 功能 | Nano Banana | 其他 |
|---|---|---|
| 價格 | 永久免費 | Photoshop: $20.99/mo, Canva: Free limited |
| Preset Aspect Ratios | 50+ social media & print sizes | Varies by tool |
| 隱私 | 100% browser-based | Cloud upload required |
| Rotate/Flip | Included | Sometimes separate tool |
| Processing Speed | Instant | Upload/download time |
| 浮水印 | 從不 | Common in free tiers |
用戶評價
Rachel H.
Social Media Manager
“The Instagram presets save me so much time. Perfect crops every time.”
James L.
E-commerce Seller
“Great for creating consistent product image sizes across my catalog.”
Maria G.
Blogger
“Simple and fast. Exactly what I need for blog post images.”
常見問題
We offer popular presets: Square (1:1), Instagram portrait (4:5), landscape (5:4), YouTube (16:9), vertical (9:16), and more. Plus custom dimensions for any size you need.