🪪 证件照尺寸规格大全（一寸 / 二寸 / 签证）ID Photo Size Chart — 1-inch, 2-inch, Visas
汇总一寸、小一寸、大一寸、二寸、小二寸，身份证、社保卡、护照、驾驶证，美国、申根、英国、日本等签证，以及教资、公务员、考研、四六级报名照的毫米尺寸、像素和底色要求，可搜索筛选，并直接跳转证件照制作和排版打印。Sizes in mm and pixels plus background colours for 1-inch, 2-inch and their variants, Chinese ID card, social security card, passport and driving licence, US, Schengen, UK and Japan visas, and common exam registration photos — searchable, with links to the ID photo maker and print layout.
像素按 300 DPI 换算（身份证等按 350 DPI），可在“证件照制作”中直接裁剪、换底色，再用“证件照排版”打印到 6 寸相纸上。Pixels are at 300 DPI (350 DPI for the ID card). Use the ID photo maker to crop and change the background, then the print-layout tool to put several on a 4×6 print.
使用说明与常见问题How-to & FAQ
「证件照尺寸规格大全（一寸 / 二寸 / 签证）」是什么？What is the ID Photo Size Chart — 1-inch, 2-inch, Visas?
汇总一寸、小一寸、大一寸、二寸、小二寸，身份证、社保卡、护照、驾驶证，美国、申根、英国、日本等签证，以及教资、公务员、考研、四六级报名照的毫米尺寸、像素和底色要求，可搜索筛选，并直接跳转证件照制作和排版打印。Sizes in mm and pixels plus background colours for 1-inch, 2-inch and their variants, Chinese ID card, social security card, passport and driving licence, US, Schengen, UK and Japan visas, and common exam registration photos — searchable, with links to the ID photo maker and print layout.
如何使用「证件照尺寸规格大全（一寸 / 二寸 / 签证）」？How do I use the ID Photo Size Chart — 1-inch, 2-inch, Visas?
搜索用途或按分类筛选，查到尺寸后点“去制作证件照”裁剪并换底色。各部门要求可能更新，拍照前请核对官方通知。Search or filter, then use the ID photo maker to crop and change the background. Rules change, so check the official notice before shooting.
一寸照片是多大？How big is a 1-inch photo?
标准一寸是 25 × 35 毫米，300 DPI 下为 295 × 413 像素；小一寸 22 × 32 毫米，大一寸 33 × 48 毫米。25 × 35 mm, 295 × 413 px at 300 DPI; small 1-inch is 22 × 32 mm and large 1-inch 33 × 48 mm.
二寸照片是多大？How big is a 2-inch photo?
标准二寸是 35 × 49 毫米（413 × 579 像素），小二寸是 35 × 45 毫米（413 × 531 像素）。35 × 49 mm (413 × 579 px); small 2-inch is 35 × 45 mm (413 × 531 px).
「证件照尺寸规格大全（一寸 / 二寸 / 签证）」免费吗？文件会上传吗？Is the ID Photo Size Chart — 1-inch, 2-inch, Visas free? Are my files uploaded?
「证件照尺寸规格大全（一寸 / 二寸 / 签证）」完全免费，无需注册。你输入的内容只在本机浏览器里处理（部分设置会保存在本机方便下次使用），不会上传到任何服务器。The ID Photo Size Chart — 1-inch, 2-inch, Visas is free with no sign-up. What you enter is processed only in this browser (some settings are kept locally for next time) and is never uploaded.