Debug a Binary File

Inspect headers and bytes while debugging a file format.

无需登录文件保持私密

将文件拖放到此处或点击浏览

Any file 无文件大小限制

浏览文件

你的文件永远不会离开你的设备。所有处理都在你的浏览器中本地进行。

Inspect the raw bytes of any file — offset, hex, and ASCII columns, like a classic hex editor. The file is read locally and never uploaded.

debugging tips

🐞

See exact byte values and offsets when a parser chokes on a file.

🔢

The aligned hex + ASCII columns make it easy to spot headers and string data.

📏

Offsets are shown in hex, matching most format specs and documentation.

🔒

Nothing is uploaded.

选择文件

Drop your file into the tool above. It stays entirely on your device — nothing is sent to any server.

处理

The tool processes your data instantly in your browser using JavaScript. No server, no waiting.

下载

Get your result instantly. Nothing is stored after you leave the page — complete privacy.

✓完全免费——永远没有隐藏费用

✓无需账号、邮箱或登录

✓文件永远不会离开你的设备

✓绝无文件大小限制

✓所有输出均无水印

Identify a File's Real Type

Check a file's magic number to see what it actuall

Find Text Strings in a File

Spot readable text embedded in a binary file.

Inspect a Suspicious File Safely

Examine an unknown file's bytes without opening or

Learn How File Formats Work

Explore the byte structure of real files to unders