图片压缩
PNG压缩
JPG压缩
WEBP压缩
GIF压缩
指定压缩
证件照压缩
尺寸调整
格式转换
图片拼接
DPI调整
图片翻转
图片旋转
智能证件照
GIF裁剪
GIF合成
GIF倒放
GIF拆解
视频转GIF
清晰度增强
对比度增强
黑白图上色
人像动漫化
PDF压缩
PDF合并
PDF拆分
PDF转图片
图片转PDF
PDF加密
PDF页面旋转适合把证件照更换为白底、蓝底、红底等常见材料背景。
开通会员
送3次
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证件照换背景
点击或拖拽上传文件
在线证件照换背景,支持png、jpg、jpeg格式
为保障您的隐私安全，您上传的文件一小时后会被自动删除
自定义设置
温馨提示:调整完成之后可直接选择对应颜色然后点击下载(请先预览满意在下载)
功能优势
在线更换证件照背景色，适配报名、考试和资料提交
场景匹配明确
适合把证件照更换为白底、蓝底、红底等常见材料背景。
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参数设置清晰
可选择目标背景色并预览人像抠图和换底后的效果。
结果可预览
处理完成后可查看换背景后的证件照，确认效果后再下载。
在线完成
证件照换背景属于高成本处理能力，按页面登录和权益提示完成。
使用指南
上传证件照后选择背景色，预览换底效果并下载
0
上传证件照
选择需要更换背景色的证件照图片。
0
设置处理参数
可选择目标背景色并预览人像抠图和换底后的效果。
0
下载换背景后的证件照
页面生成换背景后的证件照后，预览确认并保存到本地。
常见问题
整理使用前常见疑问，帮助你确认处理方式、输出效果和适用场景
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