Intel HEX ↔ Binary

Parse an Intel HEX file (.hex) and download the raw binary, or view the records.

Converter Numbers & Math Updated Apr 19, 2026
How to Use
  1. Drop a .hex file or paste records.
  2. Records parsed and binary built.
  3. Download .bin.
Input
Drop .hex file
Output
Waiting

Record types

00
Data
01
End of file
02
Extended segment × 16
04
Extended linear × 65536
Checksum
Two's complement of byte sum
Gaps
Zero-filled

About the Intel HEX ↔ Binary

Working on everyday maths and number work? The Intel HEX ↔ Binary is a free browser tool that gives you the answer in seconds. Parse an Intel HEX file (.hex) and download the raw binary, or view the records.

How it works

Enter a number and choose your units — the converted value shows instantly. Everything runs locally, so nothing you type leaves your device. Double-check the direction of the conversion and you are set.

Want the deeper story? The Knowledge Base explains the ideas behind the tools in more detail.

Frequently Asked Questions

Records?

Types 00 (data), 01 (EOF), 02 (extended segment), 04 (extended linear) supported.

Gaps?

Gaps between records are zero-filled.

How do I use the Intel HEX ↔ Binary?

Simply type or paste your value and read the result, which refreshes the instant you change something. There is nothing to submit and nothing to wait for.

Do I need to install or sign up for anything?

Not at all — it runs in the browser with nothing to install and no account. After it loads once, it even works without an internet connection.

Is my information private?

Yes. Everything happens in your browser. Nothing you type is sent to a server or saved anywhere.

Common Use Cases

Firmware

Convert HEX to BIN for flashing.

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