自动压缩
智能地将图像压缩到特定目标大小 (KB)。
How to Auto-Compress Images
Hit your target file size in 3 simple steps.
Upload your images
Upload the images you need to compress to a specific file size.
Set target file size
Enter your desired file size limit (e.g., 50KB, 200KB) and let our smart algorithm do the rest.
Compress and download
Get your images perfectly optimized to meet your size requirements instantly.
Precise Image Compression
Meet strict file size limits without the guesswork.
Perfect for Portals & Forms
Many government portals, job application sites, and registration forms have strict limits on image file sizes (e.g., "Maximum 100KB"). Use this tool to ensure your documents and photos are under the limit while keeping the best possible quality.
Supported Formats
Why use Auto Compress?
- Exact Targeting: Specify the exact KB limit you need.
- Automated Adjustment: We iteratively adjust quality to fit the size.
- No Manual Trial & Error: Save time by avoiding manual quality tweaking.
Frequently Asked Questions
Common questions about this tool.
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图像压缩
在保持质量的同时减小图像文件大小。支持JPG, PNG, WEBP。
图像转换
在格式之间转换图像（PNG, JPG, WEBP, AVIF, TIFF等）。
缩略图生成器
使用可自定义的尺寸和适配方式创建完美缩略图。
PDF压缩
使用可调节的质量级别压缩PDF文件。优化用于Web或打印。
Lock PDF
Add password protection to your PDF files before sharing.
Unlock PDF
Remove password protection from PDF files you own.