⚡ 121+ 个转换工具
免费在线文件和单位转换器
直接在浏览器中转换文件和单位。无需上传，无追踪，100% 隐私安全。
🔒 纯浏览器端
⚡ 即时结果
🎯 NIST 精确度
📁 格式转换
.jpg → .png
JPEG Image to Portable Network Graphics
.jpg → .webp
JPEG Image to WebP Image
.jpg → .pdf
JPEG Image to Portable Document Format
.png → .jpg
Portable Network Graphics to JPEG Image
.png → .webp
Portable Network Graphics to WebP Image
.png → .pdf
Portable Network Graphics to Portable Document Format
.webp → .jpg
WebP Image to JPEG Image
.webp → .png
WebP Image to Portable Network Graphics
🔢 单位转换
m → ft
Meter → Foot
ft → m
Foot → Meter
cm → in
Centimeter → Inch
in → cm
Inch → Centimeter
km → mi
Kilometer → Mile
mi → km
Mile → Kilometer
mm → in
Millimeter → Inch
in → mm
Inch → Millimeter