Identify a File's Real Type

Check a file's magic number to see what it actually is.

ບໍ່ຈໍາເປັນຕ້ອງເຂົ້າສູ່ລະບົບໄຟລ໌ເປັນສ່ວນຕົວ

ວາງໄຟລ໌ໄວ້ບ່ອນນີ້, ຫຼືຄລິກເພື່ອເລືອກເບິ່ງ

Any file ບໍ່ມີຂອບເຂດຈໍາກັດຂະຫນາດໄຟລ໌

ຊອກຫາໄຟລ໌

ໄຟລ໌ຂອງທ່ານບໍ່ເຄີຍອອກຈາກອຸປະກອນຂອງທ່ານ. ການປະມວນຜົນທັງໝົດເກີດຂຶ້ນຢູ່ໃນຕົວທ່ອງເວັບຂອງທ່ານ.

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.

file identification tips

🔎

The first bytes (magic number) reveal the true format regardless of the file extension.

🏷️

The tool names common types automatically — PNG, PDF, ZIP, MP4, and more.

🕵️

Useful when a file has the wrong or no extension, or you suspect it's mislabeled.

🔒

Read locally — safe for unknown files.

ເລືອກ File

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

ຂະບວນການ

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

ດາວໂຫຼດ

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

✓ບໍ່ເສຍຄ່າຢ່າງສົມບູນ - ບໍ່ມີຄ່າໃຊ້ຈ່າຍທີ່ເຊື່ອງໄວ້, ເຄີຍ

✓ບໍ່ມີບັນຊີ, ອີເມວ, ຫຼືເຂົ້າສູ່ລະບົບ

✓ໄຟລ໌ບໍ່ເຄີຍອອກຈາກອຸປະກອນຂອງທ່ານ

✓ບໍ່ມີຂອບເຂດຈໍາກັດຂະຫນາດໄຟລ໌ໃດໆ

✓ບໍ່ມີ watermarks ໃນຜົນຜະລິດໃດໆ

Debug a Binary File

Inspect headers and bytes while debugging a file f

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