Learn How File Formats Work

Explore the byte structure of real files to understand formats.

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.

learning tips

🎓

Compare the headers of a PNG, a PDF, and a ZIP to see how formats announce themselves.

🔢

Seeing real bytes alongside ASCII makes format specs much easier to follow.

🧩

A hands-on way to understand magic numbers and headers.

🔒

Experiment freely — nothing is uploaded.

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

Identify a File's Real Type

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

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