图片加边框

为图片添加自定义颜色与宽度边框，快速生成带框图。

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Weibo Image Source Finder

Parse Weibo image URLs to find the original uploader and trace the source of social media images.

Image Compressor

Compress image size online with proportional resizing and optimize image quality.

Add Invisible Watermark to Image

An invisible digital watermarking solution for PNG and JPG images to effectively protect your copyright and prevent image theft.

Add Video Borders

Smartly add borders and resize video aspect ratios for any platform without cropping the original content.

Weibo Image Source Finder

Parse Weibo image URLs to find the original uploader and trace the source of social media images.

Image Compressor

Compress image size online with proportional resizing and optimize image quality.

Add Invisible Watermark to Image

An invisible digital watermarking solution for PNG and JPG images to effectively protect your copyright and prevent image theft.

Add Video Borders

Smartly add borders and resize video aspect ratios for any platform without cropping the original content.

Image to Base64 Converter

Convert JPG, PNG, and other image files to Base64 strings online. Generate Data URLs instantly for web development and data embedding.

日常拍照或设计排版时，图片边缘常显突兀或不符合平台尺寸。本工具通过在原图外围绘制指定像素的色块层，快速生成带边框的视觉成品，直接输出高清带框图片，解决照片边缘留白与美化需求。

输入图片单张建议不超过 10MB，过大可能导致浏览器处理延迟。边框宽度设置过大可能压缩主体画面，请根据实际比例调整。所有处理均在本地浏览器完成，不存储任何用户文件。若导出失败，请检查网络或尝试刷新页面重新操作。

在平面设计中，边框常用于建立视觉呼吸区。建议边框颜色从图片主色调中提取，以保持整体和谐。导出时优先选择 PNG-24 以保留高质量色彩，若用于网页加载可转为 WebP 格式以优化体积。