图像工具
图像转换器
将图像文件转换为任何格式
图像压缩器
减小图像文件大小
图像调整大小
将图像调整为精确尺寸
图像裁剪
将图像裁剪为自定义或预设尺寸
图像旋转与翻转
以任意角度旋转或翻转图像
Fanzhuan Tuxiang
Zaixian shuiping huo chuizhi fanzhuan tuxiang
图像水印
为图像添加文本或徽标水印
背景去除器
使用AI去除图像背景
图像元数据编辑器
查看、编辑或剥离EXIF元数据
图像取色器
从任何图像中选择和提取颜色
图像编辑器
调整亮度、对比度并应用滤镜
图像转 Base64
将图像转换为 Base64 编码字符串
Image to PDF
将图像转换为PDF文档
图像转文本（OCR）
使用OCR从图像中提取文本
图标生成器
从任何图像生成多种尺寸的图标
图像宽高比
计算并保持图像宽高比
图像格式检测器
检测图像文件格式
HEIC to JPG
将 HEIC 照片转换为 JPG。
WebP to JPG
将WebP图像转换为JPG
JPG to WebP
将JPG图像转换为WebP
SVG to PNG
将SVG矢量转换为PNG图像
SVG优化器
优化和压缩SVG文件
EXIF GPS查看器
查看照片EXIF数据中的GPS位置
图像调色板提取器
从任何图像中提取颜色
AI替代文本生成器
为图像生成可访问性替代文本
Free Online Image Tools That Actually Work
This image toolkit bundles everything you typically reach for outside a full photo editor: format conversion between JPG, PNG, WebP, AVIF, GIF, BMP, and TIFF; lossless and lossy compression to shrink files for the web; resizing and cropping to match required dimensions; color and format inspection; and tools for generating icons, favicons, and color palettes.
Every image tool runs entirely in your browser, so your files never leave your device and are never uploaded to a server. That makes these tools well suited to sensitive files.
Why These Image Tools
True Privacy
Images are processed entirely client-side. Nothing is uploaded, so proprietary mockups, client assets, or personal photos stay on your machine.
Modern Format Support
Handle JPG, PNG, WebP, AVIF, GIF, BMP, TIFF, SVG, and many specialty formats. Convert between them freely with quality controls.
No Quality Watermarks
Output images are clean — no branding, corner stamps, or forced compression. What you export is what the tool produced.
Works Offline After First Load
Since tools run locally, once the page loads you can keep working without a stable internet connection.
Common Image Tasks
Users reach for these tools most often to:
- Convert PNG screenshots or photos to WebP to shrink file sizes for a website or blog without visible quality loss.
- Resize product photos or thumbnails to specific dimensions for marketplaces, social platforms, or a portfolio.
- Compress JPG files before sending them over email to stay under attachment size limits.
- Convert HEIC photos from an iPhone into JPG or PNG so they open reliably on any device.
- Generate a favicon set or a custom ICO from a single source PNG for a website.
How to Use the Image Tools
Every image tool follows a simple three-step process:
- Pick a tool. Select the converter, compressor, resizer, or other tool from the cards above.
- Load your image. Drag and drop the image, or click to pick one from your device. Batch selection is supported where it makes sense.
- Download the result. Adjust any settings (quality, size, format), run the tool, and save the output. No signup needed.
Image Tools FAQ
Which image formats are supported?
The tools handle JPG, PNG, WebP, AVIF, GIF, BMP, TIFF, SVG, HEIC, ICO, and many lesser-known formats. Support depends on what your browser can decode natively.
Do you keep copies of my images?
No. Everything runs in your browser. Nothing is uploaded, nothing is stored on a server, and nothing is logged.
Will compression lower quality?
Lossless conversion (PNG to WebP, for example) preserves quality exactly. Lossy compression (JPG, WebP with quality below 100) reduces quality in exchange for a smaller file — you control how aggressive it is.
Can I process many images at once?
Most tools support batch input. Select multiple files and the tool will process them one after another, producing a zip of the outputs.
Does HEIC conversion work without iCloud?
Yes. The converter reads HEIC files directly in the browser and outputs JPG, PNG, or WebP without needing any Apple service or account.