Image Tools
Compress, resize, convert, and optimize images in your browser. Supports JPEG, PNG, WebP, and more.
压缩图片
在保持质量的同时减小图片文件大小。
调整图片大小
按尺寸、百分比或最长边调整图片大小。
裁剪图片
按预设宽高比或自定义尺寸裁剪图片。
旋转图片
将图片顺时针旋转 90°、180° 或 270°。
翻转图片
水平（镜像）或垂直翻转图片。
转换图片格式
在 JPEG、PNG 和 WebP 格式之间转换图片。
图片添加水印
添加文本水印以保护您的图片。
SVG 转 PNG
将 SVG 矢量图形转换为 PNG 光栅图片。
图片转 Base64
将图片编码为 Base64 文本，用于嵌入代码。
圆角处理
为图片添加圆角效果，生成透明背景。
添加边框
为图片添加纯色边框或相框效果。
图片滤镜
应用灰度、复古和怀旧等视觉滤镜效果。
调整图片
精细调整亮度、对比度、饱和度和色调。
模糊图片
对图片应用可调半径的高斯模糊效果。
锐化图片
使用非锐化蒙版卷积核锐化图片。
裁剪为正方形
使用背景颜色将图片填充为正方形。
Grayscale Image
Convert images to black and white.
Sepia Image
Apply a warm vintage sepia tone to your photos.
Pixelate Image
Apply a pixelation mosaic effect to images.
Strip Image Metadata
Remove EXIF data, GPS location, and camera info from photos.
Learn Image Tools
Key concepts and practical guides to level up your workflow.
📖 术语表
Aspect ratio is the proportional relationship between an image's width and height, expressed as two …
基于AV1视频编解码器的下一代图像格式，以卓越的压缩效率提供比JPEG小50%的文件，同时支持HDR、宽色域和透明度。
Chroma subsampling reduces the color resolution of an image while preserving full brightness (luminance) detail. …
A lens defect causing color fringing at edges where different wavelengths of light focus at …
Adjusting color balance, contrast, and tone curves to achieve a desired mood or visual style …
Compression artifacts are visible distortions introduced by lossy compression algorithms. Common artifacts include blockiness (JPEG …
A technique that simulates additional colors by arranging limited-palette pixels in patterns that blend visually.
An alpha channel stores transparency information for each pixel in an image, with values ranging …
📘 指南
Choosing the right image format affects file size, quality, and browser compatibility. This comparison covers the strengths of JPEG, PNG, WebP, and AVIF to help …
Each social platform has specific image dimensions for profiles, covers, posts, and stories. Using the wrong size results in cropping, blurring, or poor presentation. This …
Converting files between formats is a daily task for professionals across every industry. This comprehensive guide covers document, image, audio, and video conversion principles that …
Learn how to reduce image file sizes for faster web page loading without visible quality loss. This guide covers lossy and lossless compression techniques, format …
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